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abbreviatus, Joculator abbreviatus (Thiele, 1930)
abelai, Clathropsis abelai Cecalupo & Perugia, 2014
abjecta, Cerithiopsis abjecta Preston, 1905
aboreensis, Marshallopsis aboreensis Cecalupo & Perugia, 2017
abreojensis, Cerithiopsis abreojensis Bartsch, 1911
abreojosensis, Cerithiopsis abreojosensis Bartsch, 1911 - syn of: Cerithiopsis abreojensis Bartsch, 1911
abruptum, Cerithiopsis abruptum Watson, 1880
abylensis, Dizoniopsis abylensis Bouchet, Gofas & Warén, 2010
academicorum, Cerithiopsis academicorum Rolán & Espinosa, 1996
acheronae, Aliptina acheronae Marshall, 1978
acicula, Cerithiopsis acicula Brusina, 1864
aciculata, Cerithiopsis aciculata Locard & Caziot, 1900 - syn of: Cerithiopsis tubercularis (Montagu, 1803)
acies, Zaclys acies Suter, 1908 - syn of: Zaclys sarissa (Murdoch, 1905)
acontium, Cerithiopsis acontium Dall, 1889
acuminata, Cerithiopsis acuminata Hallgass, 1985 - syn of: Cerithiopsis barleei Jeffreys, 1867
acuminata, Synthopsis acuminata Marshall, 1978
acuminatus, Joculator acuminatus Cecalupo & Perugia, 2012
acuta, Horologica acuta Cecalupo & Perugia, 2013
acutissima, Clathropsis acutissima Cecalupo & Perugia, 2013
adamsi, Cerithiopsina adamsi (Bartsch, 1911)
adamsi, Cerithiopsis adamsi Bartsch, 1911 - syn of: Cerithiopsina adamsi (Bartsch, 1911)
adamsii, Seila adamsii (Lea, 1845)
adelpha, Cerithiopsis adelpha Melvill & Standen, 1896
aeneus, Joculator aeneus Cecalupo & Perugia, 2017
aequatorialis, Cerithiopsis aequatorialis Thiele, 1925
aequicincta, Cerithiopsis aequicincta Suter, 1917 † (FOSSIL)
affinis, Horologica affinis Cecalupo & Perugia, 2012
africana, Seila africana Bartsch, 1915 - syn of: Seila lirata Sowerby, 1897
agulhasensis, Cerithiopsis agulhasensis (Thiele, 1925)
aimen, Cerithiopsis aimen Rolán & Espinosa, 1996
alabastrula, Cerithiopsis alabastrula (Mörch, 1876)
alba, Prolixodens alba Cecalupo & Perugia, 2017
albachiarae, Marshallopsis albachiarae Cecalupo & Perugia, 2012
albachiarae, Synthopsis albachiarae Cecalupo & Perugia, 2012
albatros, Synthopsis albatros Cecalupo & Perugia, 2014
albicans, Marshallopsis albicans Cecalupo & Perugia, 2012
albino, Horologica albino Laseron, 1956
albocinctum, Joculator albocinctum (Melvill & Standen, 1896)
albordina, Joculator albordina Laseron, 1956
albostriata, Synthopsis albostriata Cecalupo & Perugia, 2013
albosutura, Seila albosutura (Tenison-Woods, 1876)
albovittata, Cerithiopsis albovittata (Adams, 1850)
albovittata, Nanopsis albovittata (Adams, 1850) - syn of: Cerithiopsis albovittata (Adams, 1850)
albulus, Joculator albulus (Thiele, 1930)
alcima, Cerithiopsidella alcima (Bartsch, 1911)
alfredensis, Seila alfredensis (Bartsch, 1915)
alfredensis, Cerithiopsis alfredensis Bartsch, 1915 - syn of: Seila alfredensis (Bartsch, 1915)
alligata, Horologica alligata Cecalupo & Perugia, 2012
alligatus, Joculator alligatus Cecalupo & Perugia, 2012
alternata, Clathropsis alternata (Laseron, 1951)
alternata, Horologica alternata Cecalupo & Perugia, 2012
althea, Cerithiopsis althea Dall, 1927
altissima, Notoseila altissima (Golikov & Gulbin, 1978)
alveolata, Cerithiopsis alveolata Deshayes, 1864 † (FOSSIL)
amabilis, Cerithiopsis amabilis (Bayle, 1880)
ambigua, Synthopsis ambigua Cecalupo & Perugia, 2013
amblytera attenuata, Cerithiopsis amblytera attenuata Locard, 1897 - syn of: Cerithiella amblytera (Watson, 1880)
amethysta, Prolixodens amethysta Cecalupo & Perugia, 2013
amoena, Horologica amoena Cecalupo & Perugia, 2013
ampulla, Synthopsis ampulla Cecalupo & Perugia, 2012
ampulla, Paraseila ampulla Laseron, 1956
anaitis, Cerithiopsis anaitis Bartsch, 1918
anceps, Marshallopsis anceps Cecalupo & Perugia, 2013
anconae, Joculator anconae Cecalupo & Perugia, 2017
angasi, Socienna angasi (Semper, 1874)
angasi, Cerithiopsis angasi Schmeltz, 1874 - syn of: Royella sinon (Bayle, 1880)
angolensis, Seila angolensis Rolán & Fernandes, 1990
angustissima, Dizoniopsis angustissima (Forbes, 1843)
angustus, Joculator angustus Cecalupo & Perugia, 2017
anisocorda, Horologica anisocorda Jay & Drivas, 2002
annae, Cerithiopsis annae Cecalupo & Buzzurro, 2005
annae, Ondulopsis annae Cecalupo & Perugia, 2012
annagregis, Horologica annagregis Cecalupo & Perugia, 2013
antarctica, Cerithiopsilla antarctica Smith, 1907 - syn of: Cerithiella antarctica (Smith, 1907)
antefilosa, Cerithiopsidella antefilosa (Bartsch, 1911)
antemunda, Cerithiopsis antemunda Bartsch, 1911
antonioi, Joculator antonioi Cecalupo & Perugia, 2012
aoreensis, Joculator aoreensis Cecalupo & Perugia, 2013
apexclarus, Dizoniopsis apexclarus Rolán, 2007
apexcostata, Cerithiopsis apexcostata Rolán, Espinosa & Fernández-Garcés, 2007
apexlevis, Clathropsis apexlevis Cecalupo & Perugia, 2017
apicicosta, Cerithiopsis apicicosta May, 1920
apicicostata, Socienna apicicostata (May, 1919)
apicina, Cerithiopsis apicina Dall, 1927
aquilum, Cerithiopsis aquilum Rehder, 1980
aquitaniensis, Dizoniopsis aquitaniensis (Cossmann & Peyrot, 1922) † (FOSSIL)
ara, Cerithiopsis ara Dall & Bartsch, 1911
aralia, Cerithiopsis aralia Olsson & Harbison, 1953
arbastoi, Horologica arbastoi Cecalupo & Perugia, 2013
arcangelae, Clathropsis arcangelae Cecalupo & Perugia, 2017
arduinii, Joculator arduinii Cecalupo & Perugia, 2012
arenaceus, Joculator arenaceus Cecalupo & Perugia, 2013
arga, Cerithiopsis arga Kay, 1979
argentea, Cerithiopsis argentea Dall, 1927
arnoldi, Cerithiopsis arnoldi Bartsch, 1911
aspicienda, Dizoniopsis aspicienda Bouchet, Gofas & Warén, 2010
assimilata, Seila assimilata (Adams, 1852)
atalaya, Cerithiopsis atalaya Watson, 1885
ater, Joculator ater Cecalupo & Perugia, 2012
atimovatae, Clathropsis atimovatae Cecalupo & Perugia, 2014
atrata, Marshallopsis atrata Cecalupo & Perugia, 2012
attenuata, Synthopsis attenuata Cecalupo & Perugia, 2012
attenuata, Seila attenuata Hedley, 1900
attenuatispira, Mendax attenuatispira Powell, 1937 - syn of: Paramendax attenuatispira (Powell, 1937)
attenuissima, Seila attenuissima Marshall & Murdoch, 1920 † (FOSSIL)
aurantiaca, Cerithiopsis aurantiaca Melvill & Standen, 1896
aurea, Cerithiopsis aurea Bartsch, 1911
aureola, Socienna aureola Powell, 1933 - syn of: Eumetula aureola (Powell, 1933)
austrina, Cerithiopsilla austrina Hedley, 1911 - syn of: Cerithiella austrina (Hedley, 1911)
autumnus, Joculator autumnus Cecalupo & Perugia, 2016
baculum, Cerithiopsis baculum Adams, 1861
bakeri, Cerithiopsis bakeri Bartsch, 1917
balaustium, Cerithiopsis balaustium Figueira & Pimenta, 2008
ballardi, Belonimorphis ballardi Cecalupo & Perugia, 2013
balteata, Horologica balteata (Watson, 1881)
bancheti, Sundaya bancheti Cecalupo & Perugia, 2017
bandorensis, Seila bandorensis (Melvill, 1893)
baraggiai, Joculator baraggiai Cecalupo & Perugia, 2013
barbarae, Mendax barbarae Cecalupo & Perugia, 2017
bargibanti, Sundaya bargibanti Cecalupo & Perugia, 2017
barleei, Cerithiopsis barleei Jeffreys, 1867
barrieria, Horologica barrieria Nützel, 1998
battagliai, Synthopsis battagliai Cecalupo & Perugia, 2012
bauquisi, Joculator bauquisi Cecalupo & Perugia, 2017
bazzocchii, Marshallopsis bazzocchii Cecalupo & Perugia, 2014
beauforti, Seila beauforti Thiriot-Quiévreux, 1980
becki, Cerithiopsis becki Turton, 1932 - syn of: Cerithiopsis exquisita Sowerby, 1897
belonimorphis, Belonimorphis belonimorphis Jay & Drivas, 2002
beneitoi, Cerithiopsis beneitoi (Rolán, Espinosa & Fernández-Garcés, 2007)
beneitoi, Nanopsis beneitoi Rolán, Espinosa & Fernández-Garcés, 2007 - syn of: Cerithiopsis beneitoi (Rolán, Espinosa & Fernández-Garcés, 2007)
benoitiana, Dizoniopsis benoitiana (Monterosato, 1869)
benthica, Onchodia benthica (Dall, 1924)
benthica, Prolixodens benthica Marshall, 1978
benthicum, Cerithiopsis benthicum Dall, 1927
berryi, Cerithiopsis berryi Bartsch, 1911
berthaultorum, Clathropsis berthaultorum Cecalupo & Perugia, 2017
bicarinata, Clathropsis bicarinata (Laseron, 1951)
bicincta, Synthopsis bicincta Cecalupo & Perugia, 2012
bicinctus, Joculator bicinctus Cecalupo & Perugia, 2012
bicolor, Retilaskeya bicolor (Adams, 1845)
bicolor, Cerithiopsis bicolor Bartsch, 1911
bicolor, Horologica bicolor Laseron, 1956
bilineata, Dizoniopsis bilineata (Hoernes, 1848)
bimarginatum, Cerithiopsis bimarginatum (Adams, 1852)
bimonilifera, Cerithiopsis bimonilifera Sandberger, 1858 † - syn of: Vatopsis bimonilifera (Sandberger, 1858) † (FOSSIL)
binoda, Cerithiopsis binoda Nowell-Usticke, 1969 - syn of: Retilaskeya bicolor (Adams, 1845)
bipartita, Horologica bipartita Laseron, 1956
bisculpta, Cerithiopsilla bisculpta Strebel, 1908 - syn of: Cerithiella bisculpta (Strebel, 1908)
bizonalis, Cerithiopsis bizonalis Jeffreys, 1885 - syn of: Cerithiella metula (Lovén, 1846)
blacki, Cerithiopsidella blacki Marshall, 1978
blanda, Marshallopsis blanda Cecalupo & Perugia, 2012
blandi, Cerithiopsis blandi Deshayes, 1900
boelsschei, Cerithiopsis boelsschei (Koenen, 1891)
bongiardinoi, Synthopsis bongiardinoi Cecalupo & Perugia, 2012
boucheti, Marshallopsis boucheti Cecalupo & Perugia, 2012
boucheti, Cerithiopsis boucheti Jay & Drivas, 2002
bourgeoisae, Joculator bourgeoisae Cecalupo & Perugia, 2013
bouteti, Joculator bouteti Cecalupo & Perugia, 2014
bowenensis, Tubercliopsis bowenensis Laseron, 1956
brabantae, Joculator brabantae Cecalupo & Perugia, 2013
brevicaput, Dizoniopsis brevicaput P. Lozouet, Lesport & Renard, , 2001 † (FOSSIL)
breviculus, Joculator breviculus Cecalupo & Perugia, 2017
brevis, Joculator brevis Cecalupo & Perugia, 2012
bristolae, Cerithiopsis bristolae Baker, Hanna & Strong, 1938
brucei, Joculator brucei (Melvill & Standen, 1912)
brunnea, Cerithiopsis brunnea Thiele, 1930
brunneoflavida, Cerithiopsis brunneoflavida Preston, 1905
brusonii, Joculator brusonii Cecalupo & Perugia, 2013
bugeae, Clathropsis bugeae Cecalupo & Perugia, 2014
buijsei, Cerithiopsis buijsei De Jong & Coomans, 1988 - syn of: Cerithiopsis lata (Adams, 1850)
bulbosa, Seila bulbosa (Suter, 1908)
bulbosa, Hebeseila bulbosa Suter, 1908 - syn of: Seila bulbosa (Suter, 1908)
burdwoodiana, Cerithiopsilla burdwoodiana Melvill & Standen, 1912 - syn of: Cerithiella burdwoodiana (Melvill & Standen, 1912)
buzzurroi, Cerithiopsis buzzurroi (Cecalupo & Robba, 2010)
buzzurroi, Nanopsis buzzurroi Cecalupo & Robba, 2010 - syn of: Cerithiopsis buzzurroi (Cecalupo & Robba, 2010)
caelata, Synthopsis caelata (Powell, 1930)
caledonica, Clathropsis caledonica Cecalupo & Perugia, 2017
caliginosus, Joculator caliginosus Cecalupo & Perugia, 2012
caloi, Joculator caloi Cecalupo & Perugia, 2013
calvertensis, Cerithiopsis calvertensis Martin, 1904 † (FOSSIL)
campbellica, Sundaya campbellica (Powell, 1955) - syn of: Specula campbellica (Powell, 1955)
camprinii, Horologica camprinii Cecalupo & Perugia, 2014
cancellata, Synthopsis cancellata (Laseron, 1951)
cancellata, Cerithiopsis cancellata Laseron, 1951 - syn of: Synthopsis cancellata (Laseron, 1951)
cantaurana, Seila cantaurana Landau, Da Silva & Heitz, 2016 † (FOSSIL)
capitata, Proseila capitata (Thiele, 1925)
capixaba, Cerithiopsis capixaba Figueira & Pimenta, 2008
capricornia, Tubercliopsis capricornia Laseron, 1956
captiosa, Prolixodens captiosa Cecalupo & Perugia, 2012
caputumere, Potenatomus caputumere Laseron, 1956
caribbaea, Cerithiopsis caribbaea (Gabb, 1881)
carinata, Seila carinata (Smith, 1872)
cariosa, Speculator cariosa Watson, 1886 - syn of: Speculator cariosus Warén & Bouchet, 2001
cariosus, Speculator cariosus Warén & Bouchet, 2001
carmenensis, Cerithiopsis carmenensis Clark & Durham, 1946 † (FOSSIL)
carpatinus, Joculator carpatinus Cecalupo & Perugia, 2012
carpenteri, Cerithiopsis carpenteri Bartsch, 1911
carquejai, Seila carquejai Rolán & Fernandes, 1990
carrota, Cerithiopsis carrota (Laseron, 1956)
castaneus, Joculator castaneus Cecalupo & Perugia, 2013
castelinae, Clathropsis castelinae Cecalupo & Perugia, 2014
cataldinii, Tubercliopsis cataldinii Cecalupo & Perugia, 2013
catenaria, Cerithiopsis catenaria Melvill & Standen, 1896
caterinae, Cerithiopsidella caterinae Cecalupo & Perugia, 2014
ceac, Cerithiopsis ceac Rolán & Fernández-Garcés, 2010
cebuensis, Synthopsis cebuensis Cecalupo & Perugia, 2012
cerea, Cerithiopsis cerea Carpenter, 1857
cereus, Joculator cereus Cecalupo & Perugia, 2012
cerina, Cerithiopsis cerina Adams, 1861
cesairei, Clathropsis cesairei Cecalupo & Perugia, 2014
cessicus, Tubercliopsis cessicus (Hedley, 1906)
cesta, Cerithiopsis cesta Bartsch, 1911
cesta magellanica, Cerithiopsis cesta magellanica Bartsch, 1911 - syn of: Cerithiopsis magellanica Bartsch, 1911
chaillei, Horologica chaillei Cecalupo & Perugia, 2017
charcoti, Cerithiopsilla charcoti (Lamy, 1906)
charlesi, Clathropsis charlesi Cecalupo & Perugia, 2014
charlottensis, Cerithiopsis charlottensis Bartsch, 1917
chatenayi, Clathropsis chatenayi Cecalupo & Perugia, 2017
chathamensis, Seila chathamensis Suter, 1908 - syn of: Lyroseila cincta (Hutton, 1885)
chathamensis, Hebeseila chathamensis Suter, 1908 - syn of: Lyroseila cincta (Hutton, 1885)
chenui, Seila chenui Jay & Drivas, 2002
chirlii, Marshallopsis chirlii Cecalupo & Perugia, 2014
christiaensi, Joculator christiaensi Jay & Drivas, 2002
cincta, Lyroseila cincta (Hutton, 1885)
cincta, Hebeseila cincta (Hutton, 1885) - syn of: Lyroseila cincta (Hutton, 1885)
cincta, Cerithiopsilla cincta Thiele, 1912 - syn of: Cerithiella antarctica (Smith, 1907)
cinctus, Joculator cinctus Cecalupo & Perugia, 2012
cinereoflava, Cerithiopsis cinereoflava (Mörch, 1876)
cingulata, Seila cingulata Adams, 1861
cingulifera, Seila cingulifera (Thiele, 1930)
citrinus, Joculator citrinus Cecalupo & Perugia, 2013
clara, Horologica clara Cecalupo & Perugia, 2012
clarkii, Dizoniopsis clarkii (Forbes & Hanley, 1851)
clathratum, Cerithiopsis clathratum Adams, 1855 - syn of: Royella sinon (Bayle, 1880)
clava, Socienna clava (Laseron, 1951)
clavula, Cerithiopsis clavula Adams, 1861
clifdenensis, Seila clifdenensis (Laws, 1941) † (FOSSIL)
cochleata, Seila cochleata Suter, 1908 - syn of: Lyroseila cincta (Hutton, 1885)
coffeus, Joculator coffeus Cecalupo & Perugia, 2013
columna, Cerithiopsis columna Carpenter, 1864
columna, Cerithiopsis columna Kobelt, 1893 - syn of: Cerithiopsis columna Carpenter, 1864
columna, Synthopsis columna Laseron, 1956
columna infans, Synthopsis columna infans Laseron, 1956
concatenata, Dizoniopsis concatenata (Conti, 1864)
concinna, Cerithiopsis concinna Sykes, 1925 - syn of: Narrimania concinna (Sykes, 1925)
conformis, Joculator conformis Cecalupo & Perugia, 2013
conica, Ondulopsis conica Cecalupo & Perugia, 2012
conica, Seila conica Cecalupo & Perugia, 2012
conica, Tubercliopsis conica Cecalupo & Perugia, 2012
contigua, Cerithiopsis contigua Monterosato, 1878
continens, Joculator continens Laseron, 1956
contrapupa, Cerithiopsis contrapupa Nowell-Usticke, 1969
cooki, Onchodia cooki Cecalupo & Perugia, 2017
coppolae, Dizoniopsis coppolae (Aradas, 1870)
corbariae, Clathropsis corbariae Cecalupo & Perugia, 2014
cornea, Cerithiopsidella cornea Cecalupo & Perugia, 2017
corona, Cerithiopsis corona Monterosato, 1875 - syn of: Cerithiopsis barleei Jeffreys, 1867
coronata, Clathropsis coronata Cecalupo & Perugia, 2016
cosmia, Cerithiopsidella cosmia (Bartsch, 1907)
cossignanii, Joculator cossignanii Cecalupo & Perugia, 2012
cossmanni, Krachia cossmanni (Dautzenberg & Fischer, 1896)
costulatus, Cerithiopsis costulatus Møller, 1842 - syn of: Eumetula arctica (Mörch, 1857)
cowei, Horologica cowei Marshall, 1978
cracens, Socienna cracens Marshall, 1979
cracens regia, Socienna cracens regia (Marshall, 1979)
cracens regia, Synthopsis cracens regia Marshall, 1979 - syn of: Socienna cracens regia (Marshall, 1979)
crassa, Socienna crassa (Laseron, 1951)
crassa, Prolixodens crassa Marshall, 1978
crassicincta, Seila crassicincta (Yokoyama, 1926) † (FOSSIL)
crassicinta, Seila crassicinta Yokoyama, 1926 † - syn of: Seila crassicincta (Yokoyama, 1926) † (FOSSIL)
crenistria, Alipta crenistria (Suter, 1907)
cristinae, Joculator cristinae Cecalupo & Perugia, 2013
crocea, Seila crocea (Angas, 1871)
crovatoi, Seila crovatoi Cecalupo & Perugia, 2014
cruzana, Cerithiopsis cruzana Nowell-Usticke, 1959
crystallinum, Cerithiopsis crystallinum Dall, 1881 - syn of: Varicopeza crystallina (Dall, 1881)
cubana, Cubalaskeya cubana Rolán & Fernández-Garcés, 2008
cubensis, Horologica cubensis Rolán & Espinosa, 1992
curtata, Cerithiopsis curtata Bartsch, 1911
cuspidiformis, Clathropsis cuspidiformis Cecalupo & Perugia, 2017
cylindracea, Krachia cylindracea Jeffreys, 1885 - syn of: Krachia cylindrata (Jeffreys, 1885)
cylindraceum, Cerithiopsis cylindraceum Pease, 1869 - syn of: Cerithiopsis columna Carpenter, 1864
cylindrata, Krachia cylindrata (Jeffreys, 1885)
cylindrica, Socienna cylindrica (Watson, 1886)
cylindrica, Synthopsis cylindrica Laseron, 1956
cynthia, Cerithiopsis cynthia Bartsch, 1911 - syn of: Cerithiopsis iota (Adams, 1845)
dannevigi, Prolixodens dannevigi (Hedley, 1911)
darwinensis, Clathropsis darwinensis Laseron, 1956
deaurata, Seila deaurata Rolán & Fernandes, 1990
decapitatus, Joculator decapitatus Grant-Mackie & Chapman-Smith, 1971 † (FOSSIL)
decora, Cerithiopsis decora Dall, 1927
decorata, Seila decorata Cecalupo & Perugia, 2012
decorata, Synthopsis decorata Cecalupo & Perugia, 2012
demissa, Synthopsis demissa Laseron, 1956
denatalis, Mendax denatalis Cecalupo & Perugia, 2017
denticulata, Cerithiopsis denticulata (Cecalupo & Robba, 2010)
denticulata, Nanopsis denticulata Cecalupo & Robba, 2010 - syn of: Cerithiopsis denticulata (Cecalupo & Robba, 2010)
destrugesi, Cerithiopsis destrugesi (de Folin, 1867)
dextroversa, Seila dextroversa (Adams & Reeve, 1850)
diadema, Cerithiopsis diadema Monterosato, 1874
diademata, Cerithiopsis diademata Locard, 1886 - syn of: Cerithiopsis diadema Monterosato, 1874
diagona, Cerithiopsis diagona Dall, 1916 † (FOSSIL)
diegensis, Cerithiopsis diegensis Bartsch, 1911 - syn of: Cerithiopsida diegensis (Bartsch, 1911)
difficilis, Synthopsis difficilis Cecalupo & Perugia, 2017
diffusa, Horologica diffusa Cecalupo & Perugia, 2012
dilata, Cerithiopsis dilata Rolán, Espinosa & Fernández-Garcés, 2007
dilecta, Seila dilecta Marshall, 1978
dina, Cerithiopsis stejnegeri dina Bartsch
diomedeae, Cerithiopsis diomedeae Bartsch, 1911
diozodes, Cerithiopsis diozodes Cossmann, 1889 † (FOSSIL)
dirempta, Horologica dirempta (Odhner, 1924)
disparilis, Mendax disparilis Maxwell, 1992 † (FOSSIL)
dissimilis, Seila dissimilis Suter, 1908 - syn of: Specula styliformis (Suter, 1908)
docata, Cerithiopsis docata Dall, 1927
doimanensis, Clathropsis doimanensis Cecalupo & Perugia, 2017
dominguezi, Cerithiopsis dominguezi Rolán & Espinosa, 1996
dominiquezi, Cerithiopsis dominiquezi Rolán & Espinosa, 1996 - syn of: Cerithiopsis dominguezi Rolán & Espinosa, 1996
drivasi, Joculator drivasi Cecalupo & Perugia, 2012
duplicarinata, Mendax duplicarinata Powell, 1940 - syn of: Metaxia duplicarinata (Powell, 1940)
eburnea, Synthopsis eburnea Cecalupo & Perugia, 2014
echinata, Cerithiopsis echinata Golikov & Gulbin, 1977
eiseni, Cerithiopsis eiseni Strong & Hertlein, 1939
electrina, Cerithiopsis electrina Hedley, 1899
elegans, Synthopsis elegans Cecalupo & Perugia, 2012
elegans, Cerithiopsis elegans Golikov & Gulbin, 1977
elegantissima, Seila elegantissima (Marshall, 1978)
elegantissima, Notoseila elegantissima Marshall, 1978 - syn of: Seila elegantissima (Marshall, 1978)
elegantula, Retilaskeya elegantula (Powell, 1930)
elegantula, Retilaskeya elegantula Powell, 1930 - syn of: Retilaskeya elegantula (Powell, 1930)
elegantula, Socienna elegantula Powell, 1930 - syn of: Retilaskeya elegantula (Powell, 1930)
eleonorae, Synthopsis eleonorae Cecalupo & Perugia, 2017
elima, Cerithiopsis elima Dall, 1927
eliza, Cerithiopsis eliza Dall, 1927
ellenstrongae, Clathropsis ellenstrongae Cecalupo & Perugia, 2012
elongata, Tubercliopsis elongata Laseron, 1956
elsa, Cerithiopsis elsa Dall, 1927
emersoni, Cerithiopsis emersoni Auct. non Adams, 1839 - syn of: Retilaskeya bicolor (Adams, 1845)
emersonii, Retilaskeya emersonii (Adams, 1839)
emidioi, Joculator emidioi Cecalupo & Perugia, 2014
enzae, Synthopsis enzae Cecalupo & Perugia, 2012
eolomitres, Horologica eolomitres (Melvill & Standen, 1896)
eopachus, Cerithiopsis eopachus Lozouet, Lesport & Renard, 2001 † (FOSSIL)
erianae, Joculator erianae Cecalupo & Perugia, 2017
erna, Cerithiopsis erna Bartsch, 1915
eudeli, Joculator eudeli Jay & Drivas, 2002
eugenei, Clathropsis eugenei Cecalupo & Perugia, 2014
eutrapela, Cerithiopsis eutrapela Melvill & Standen, 1896
euxinica, Cerithiopsis euxinica Milaschewitsch, 1916
exaltata, Socienna exaltata Powell, 1930
excavata, Cerithiopsis excavata Locard, 1897 - syn of: Metaxia metaxa (Delle Chiaje, 1828)
exigua, Tubercliopsis exigua (Laseron, 1951)
exile, Cerithiopsis exile (Adams, 1840)
exilis, Synthopsis exilis (Laseron, 1951)
exquisita, Seila exquisita Cecalupo & Perugia, 2012
exquisita, Sundaya exquisita Oliver, 1915
exquisita, Cerithiopsis exquisita Sowerby, 1897
familiarum, Cerithiopsis familiarum (Rolán, Espinosa & Fernández-Garcés, 2007)
familiarum, Nanopsis familiarum Rolán, Espinosa & Fernández-Garcés, 2007 - syn of: Cerithiopsis familiarum (Rolán, Espinosa & Fernández-Garcés, 2007)
fasciata, Cerithiopsis fasciata Golikov & Gulbin, 1978
faustinatoi, Horologica faustinatoi Cecalupo & Perugia, 2014
faxensis, Cerithiopsis faxensis (Ravn, 1933) † (FOSSIL)
fayalensis, Cerithiopsis fayalensis Watson, 1880
ferrii, Joculator ferrii Cecalupo & Perugia, 2013
ferrugineus, Joculator ferrugineus Cecalupo & Perugia, 2012
festuca, Cerithiopsis festuca Issel, 1869
filofusca, Tubercliopsis filofusca (Laseron, 1951)
filum, Joculator filum Cecalupo & Perugia, 2017
fischeri, Joculator fischeri Jay & Drivas, 2002
flava, Cerithiopsis flava (Adams, 1850)
flava, Horologica flava Cecalupo & Perugia, 2013
flavescens, Marshallopsis flavescens Cecalupo & Perugia, 2013
flavicans, Joculator flavicans Cecalupo & Perugia, 2014
flavida, Cerithiopsis flavida Golikov & Gulbin, 1978
flindersi, Joculator flindersi Cotton, 1951
floresi, Oparopsis floresi (Cecalupo & Perugia, 2014)
floridana, Cerithiopsis floridana Dall, 1892
fortior, Cerithiopsis fortior Carpenter, 1864 - syn of: Lirobittium interfossa (Carpenter, 1864)
fosterae, Cerithiopsis fosterae Melvill & Standen, 1896
foveolata, Cerithiopsis foveolata (Sowerby, 1892)
fraseri, Cerithiopsis fraseri Bartsch, 1921
fraudulenta, Horologica fraudulenta Cecalupo & Perugia, 2013
frequens, Joculator frequens Cecalupo & Perugia, 2012
fukuiensis, Cerithiopsis fukuiensis Kuroda & Habe, 1961 - syn of: Furukawaia fukuensis Kuroda & Habe in Habe, 1961
fulgens, Cerithiopsis fulgens Turton, 1932 - syn of: Cerithiopsis exquisita Sowerby, 1897
furvus, Joculator furvus Cecalupo & Perugia, 2012
fusca, Ondulopsis fusca Cecalupo & Perugia, 2012
fuscocincta, Horologica fuscocincta Cecalupo & Perugia, 2013
fuscoflava, Cerithiopsis fuscoflava Rolán & Espinosa, 1996
fuscostriatus, Joculator fuscostriatus Cecalupo & Perugia, 2013
fuscus, Joculator fuscus Cecalupo & Perugia, 2012
fusiformis, Cerithiopsis fusiformis (Adams, 1850)
fuzzii, Clathropsis fuzzii Cecalupo & Perugia, 2014
gagei, Seila gagei Maxwell, 1992 † (FOSSIL)
galapagensis, Cerithiopsis galapagensis Bartsch, 1911
garianii, Joculator garianii Cecalupo & Perugia, 2013
gattellii, Marshallopsis gattellii Cecalupo & Perugia, 2012
gaussiana, Cerithiopsilla gaussiana Egorova, 1972
gediceae, Horologica gediceae Cecalupo & Perugia, 2014
gemmae, Joculator gemmae Cecalupo & Perugia, 2012
gemmulosa, Cerithiopsis gemmulosa (Adams, 1850)
gemmunziae, Clathropsis gemmunziae Cecalupo & Perugia, 2017
geniculosus, Cerithiopsis geniculosus Hedley, 1911 - syn of: Altispecula geniculosa (Hedley, 1911)
georgensis, Tubercliopsis georgensis (Laseron, 1951)
georgiana, Cerithiopsilla georgiana (Pfeffer, 1886)
georgiana, Cerithiopsis georgiana Dall, 1927
giannuzzii, Krachiopsis giannuzzii Smriglio & Mariottini, 1999
giovanolii, Joculator giovanolii Cecalupo & Perugia, 2013
gissleri, Cerithiopsis gissleri Strong & Hertlein, 1939
glaubrechti, Horologica glaubrechti Jay & Drivas, 2002
gloriosa, Cerithiopsis gloriosa Bartsch, 1911
gofasi, Marshallopsis gofasi Cecalupo & Perugia, 2017
gordaensis, Cerithiopsis gordaensis Rolán & Fernández-Garcés, 2010
gorini, Joculator gorini Cecalupo & Perugia, 2014
gothica, Dizoniopsis gothica Jay & Drivas, 2002
goubini, Joculator goubini Cecalupo & Perugia, 2017
gracilis, Joculator gracilis Laseron, 1951
granatus, Joculator granatus (Kay, 1979)
granatus, Nanopsis granatus (Kay, 1979) - syn of: Joculator granatus (Kay, 1979)
granosa, Marshallopsis granosa Cecalupo & Perugia, 2012
granulosus, Joculator granulosus Cecalupo & Perugia, 2013
gratiosa, Synthopsis gratiosa Cecalupo & Perugia, 2012
greenii, Cerithiopsis greenii (Adams, 1839)
gregaria, Socienna gregaria (Laseron, 1951)
gregaria, Horologica gregaria Cecalupo & Perugia, 2012
greggiensis, Cerithiopsis greggiensis Aldrich, 1911 † (FOSSIL)
greppii, Cerithiopsis greppii Buzzurro & Cecalupo, 2005
grippi, Cerithiopsis grippi Bartsch, 1917
guanacastensis, Cerithiopsis guanacastensis Hertlein & Strong, 1951
guaraniana, Cerithiopsis guaraniana (D'Orbigny, 1841)
guatulcoensis, Cerithiopsis guatulcoensis Hertlein & Strong, 1951
guernei, Krachia guernei (Dautzenberg & Fischer, 1896)
guitarti, Cerithiopsis guitarti Espinosa & Ortea, 2001
gwenaellae, Horologica gwenaellae Cecalupo & Perugia, 2013
gypsata, Horologica gypsata Cecalupo & Perugia, 2012
hadfieldae, Joculator hadfieldae Cecalupo & Perugia, 2017
hadfieldi, Synthopsis hadfieldi (Jay & Drivas, 2002)
hadfieldi, Nanopsis hadfieldi (Jay & Drivas, 2002) - syn of: Synthopsis hadfieldi (Jay & Drivas, 2002)
halia, Cerithiopsis halia Bartsch, 1911
hallagani, Paraseila hallagani (Hedley, 1905)
halligani, Paraseila halligani Hedley, 1905 - syn of: Paraseila hallagani (Hedley, 1905)
hauniensis, Cerithiopsis hauniensis Ravn, 1939 † (FOSSIL)
hebes, Socienna hebes (Laseron, 1951)
hebetatus, Mendax hebetatus Marshall, 1978
hedista, Cerithiopsis hedista Melvill & Standen, 1896
hedleyi, Joculator hedleyi Laseron, 1951
herberti, Dizoniopsis herberti Jay & Drivas, 2002
hero, Cerithiopsis hero Bartsch, 1911
heronensis, Paraseila heronensis Laseron, 1951
herosae, Joculator herosae Cecalupo & Perugia, 2012
herosae, Dizoniopsis herosae Jay & Drivas, 2002
hilaris, Cerithiopsis hilaris Yokoyama, 1924 † (FOSSIL)
hinduorum, Seila hinduorum (Melvill, 1898)
hombouyi, Horologica hombouyi Cecalupo & Perugia, 2017
honora, Cerithiopsis honora Dall, 1927
horrida, Cerithiopsis horrida Monterosato, 1874
houbricki, Retilaskeya houbricki Nützel, 1998 † (FOSSIL)
humilis, Joculator humilis Cecalupo & Perugia, 2012
huttoni, Seila huttoni Suter, 1915 - syn of: Lyroseila cincta (Hutton, 1885)
ianthinus, Joculator ianthinus Cecalupo & Perugia, 2013
impedita, Synthopsis impedita Cecalupo & Perugia, 2012
impedita, Clathropsis impedita Laseron, 1956
incerta, Seila incerta Cecalupo & Perugia, 2013
inchoata, Seila inchoata Rolán & Fernandes, 1990
incisus, Joculator incisus Cecalupo & Perugia, 2012
inedita, Synthopsis inedita Cecalupo & Perugia, 2012
inespazosae, Cerithiopsis inespazosae Rolán & Gori, 2013
infans, Synthopsis columna infans Laseron
inflatus, Joculator inflatus Cecalupo & Perugia, 2012
infracolor, Prolixodens infracolor (Laseron, 1951)
infracolor, Tubercliopsis infracolor Laseron, 1951 - syn of: Prolixodens infracolor (Laseron, 1951)
infrapercincta, Seila infrapercincta Sacco, 1895 † (FOSSIL)
infrequens, Cerithiopsis infrequens (Adams, 1852)
infuscata, Horologica infuscata Cecalupo & Perugia, 2012
ingens, Cerithiopsis ingens (Bartsch, 1907)
inopinata, Prolixodens inopinata (Cecalupo & Perugia, 2012)
inopinus, Cerithiopsis inopinus Hoerle, 1972 † (FOSSIL)
insignis, Seila insignis (May, 1911)
insignis, Cerithiopsis insignis Smith, 1906
intercalaris, Cerithiopsis intercalaris Carpenter, 1865 - syn of: Eumetula intercalaris (Carpenter, 1865)
interiecta, Horologica interiecta Cecalupo & Perugia, 2016
intricata, Ondulopsis intricata Cecalupo & Perugia, 2012
introspectus, Joculator introspectus Cotton, 1951
io, Cerithiopsis io Dall & Bartsch, 1911
iochrous, Cerithiopsis iochrous Jay & Drivas, 2002
iohannae, Synthopsis iohannae (Cecalupo & Perugia, 2012)
iontha, Cerithiopsis iontha Bartsch, 1911
iopuei, Joculator iopuei Cecalupo & Perugia, 2017
iota, Cerithiopsis iota (Adams, 1845)
iredalei, Seila iredalei (Laseron, 1956)
itiensis, Joculator itiensis Cecalupo & Perugia, 2014
iucunda, Horologica iucunda Cecalupo & Perugia, 2013
iudithae, Cerithiopsis iudithae Reitano & Buzzurro, 2006
iuxtafuniculata, Cerithiopsis iuxtafuniculata (Rolán, Espinosa & Fernández-Garcés, 2007)
iuxtafuniculata, Nanopsis iuxtafuniculata Rolán, Espinosa & Fernández-Garcés, 2007 - syn of: Cerithiopsis iuxtafuniculata (Rolán, Espinosa & Fernández-Garcés, 2007)
jacksonensis, Socienna jacksonensis (Laseron, 1951)
janira, Cerithiopsis janira Bartsch in Golikov & Scarlato, 1967
japonica, Paraseila japonica Habe, 1970
jayi, Horologica jayi Cecalupo & Perugia, 2012
jeffreysi, Cerithiopsis jeffreysi Watson, 1885
joannotae, Clathropsis joannotae Cecalupo & Perugia, 2017
jolandae, Marshallopsis jolandae Cecalupo & Perugia, 2013
jousseaumei, Cerithiopsis jousseaumei Jay & Drivas, 2002
judithae, Cerithiopsis judithae Reitano & Buzzurro, 2006 - syn of: Cerithiopsis iudithae Reitano & Buzzurro, 2006
kaiparaensis, Seila kaiparaensis (Laws, 1941) † (FOSSIL)
kanoi, Joculator kanoi Cecalupo & Perugia, 2013
kanoni, Cerithiopsis kanoni de Folin, 1868 - syn of: Seila assimilata (Adams, 1852)
kantori, Marshallopsis kantori Cecalupo & Perugia, 2013
keratochroma, Joculator keratochroma Jay & Drivas, 2002
kerguelensis, Cerithiopsilla kerguelensis (Thiele, 1912)
kinoi, Cerithiopsis kinoi Baker, Hanna & Strong, 1938
koilofera, Koilofera koilofera Jay & Drivas, 2002
konops, Horologica konops Jay & Drivas, 2002
krisbergi, Cerithiopsis krisbergi Rolán & Fernández-Garcés, 2007
kronenbergi, Belonimorphis kronenbergi Harzhauser, 2014 † (FOSSIL)
kuiperi, Seila kuiperi Rolán & Pelorce, 2006
kupieri, Seila kupieri Rolán & Pelorce, 2006 - syn of: Seila kuiperi Rolán & Pelorce, 2006
laboutei, Sundaya laboutei Cecalupo & Perugia, 2017
ladae, Cerithiopsis ladae Prkic & Buzzurro, 2007
laguncula, Synthopsis laguncula Cecalupo & Perugia, 2012
lamyi, Nanopsis lamyi (Jay & Drivas, 2002) - syn of: Cerithiopsis lamyi (Jay & Drivas, 2002)
lamyi, Cerithiopsis lamyi (Jay & Drivas, 2002)
lanceolata, Tubercliopsis lanceolata Cecalupo & Perugia, 2013
lapernai, Synthopsis lapernai Cecalupo & Perugia, 2014
laqueata, Seila laqueata (Gould, 1861)
laqueata, Notoseila laqueata (Gould, 1861) - syn of: Seila laqueata (Gould, 1861)
laregnereensis, Joculator laregnereensis Cecalupo & Perugia, 2017
laseroni, Joculator laseroni Jay & Drivas, 2002
lata, Cerithiopsis lata (Adams, 1850)
lata, Tubercliopsis lata Laseron, 1956
laurae, Synthopsis laurae Cecalupo & Perugia, 2012
laurenti, Clathropsis laurenti Cecalupo & Perugia, 2017
lauta, Synthopsis lauta Cecalupo & Perugia, 2013
lavanonoensis, Horologica lavanonoensis Cecalupo & Perugia, 2014
lazzarii, Joculator lazzarii Cecalupo & Perugia, 2013
lechuzaensis, Cerithiopsis lechuzaensis Rivera, 1957 † (FOSSIL)
legallae, Joculator legallae Cecalupo & Perugia, 2014
legoffi, Joculator legoffi Cecalupo & Perugia, 2017
leguyaderi, Joculator leguyaderi Cecalupo & Perugia, 2013
leipha, Cerithiopsis leipha Dall, 1927
leopardus, Cerithiopsis leopardus Rolán & Gori, 2013
letourneuxi, Marshallopsis letourneuxi Cecalupo & Perugia, 2014
lifouensis, Clathropsis lifouensis Cecalupo & Perugia, 2017
limpida, Marshallopsis limpida Cecalupo & Perugia, 2012
limpida, Synthopsis limpida Cecalupo & Perugia, 2012
lineata, Synthopsis lineata Cecalupo & Perugia, 2014
liouvillei, Cerithiopsilla liouvillei (Lamy, 1910)
lirata, Seila lirata Sowerby, 1897
literalis, Tubercliopsis literalis (Laseron, 1951)
lividus, Joculator lividus Cecalupo & Perugia, 2012
lizardensis, Horologica lizardensis Nützel, 1998
lohri, Cerithiopsis lohri Jordan, 1936
lokaroensis, Joculator lokaroensis Cecalupo & Perugia, 2014
lorenzinii, Clathropsis lorenzinii Cecalupo & Perugia, 2012
lorenzoi, Marshallopsis lorenzoi Cecalupo & Perugia, 2012
lorenzoi, Tubercliopsis lorenzoi Cecalupo & Perugia, 2012
loyaltyensis, Horologica loyaltyensis Cecalupo & Perugia, 2017
lozoueti, Synthopsis lozoueti Cecalupo & Perugia, 2012
lozoueti, Joculator lozoueti Jay & Drivas, 2002
luculenta, Horologica luculenta Cecalupo & Perugia, 2012
lutea, Prolixodens lutea (Cecalupo & Perugia, 2012)
luteocincta, Clathropsis luteocincta Cecalupo & Perugia, 2013
luteolus, Joculator luteolus Cecalupo & Perugia, 2012
macalpinei, Tubercliopsis macalpinei (Laseron, 1951)
machoi, Cubalaskeya machoi Espinosa, Ortea & Moro, 2008
macrocephala, Horologica macrocephala Laseron, 1956
macrometrica, Horologica macrometrica Laseron, 1956
mactanensis, Seila mactanensis Cecalupo & Perugia, 2012
mactanensis, Synthopsis mactanensis Cecalupo & Perugia, 2012
maculosa, Seila maculosa Laseron, 1951
maesta, Marshallopsis maesta Cecalupo & Perugia, 2012
maestratii, Synthopsis maestratii Cecalupo & Perugia, 2012
maestratii, Joculator maestratii Lozouet, Lesport & Renard, 2001 † (FOSSIL)
mafeaensis, Clathropsis mafeaensis Cecalupo & Perugia, 2013
magellanica, Cerithiopsis magellanica Bartsch, 1911
magna, Seila magna Laseron, 1951
magnifica, Horologica magnifica Cecalupo & Perugia, 2012
magninensis, Joculator magninensis Cecalupo & Perugia, 2017
maloensis, Joculator maloensis Cecalupo & Perugia, 2013
mammilla, Cerithiopsis mammilla May, 1919 - syn of: Specula mammilla (May, 1919)
maoria, Socienna maoria Finlay, 1930 - syn of: Metaxia maoria (Finlay, 1930)
maoria, Seila maoria Marshall, 1978
maranii, Joculator maranii Cecalupo & Perugia, 2014
marginata, Mendax marginata (Suter, 1908)
marianii, Horologica marianii Cecalupo & Perugia, 2012
marileutes, Cerithiopsis marileutes (Melvill & Standen, 1895)
marinae, Joculator marinae Cecalupo & Perugia, 2014
maritima, Clathropsis maritima Laseron, 1956
marmorata, Seila marmorata (Tate, 1893)
marshalli, Clathropsis marshalli Cecalupo & Perugia, 2017
martensii, Cerithiopsis martensii Dall, 1881 - syn of: Cerithiopsis martensis Dall, 1881
martensis, Cerithiopsis martensis Dall, 1881
martini, Horologica martini Jay & Drivas, 2002
mascarenensis, Mendax mascarenensis Jay & Drivas, 2002
massimilianoi, Joculator massimilianoi Cecalupo & Perugia, 2012
matara, Cerithiopsis matara Dall, 1889
mathildaeformis, Cerithiopsis mathildaeformis Melvill, 1906
maxi, Tubercliopsis maxi Cecalupo & Perugia, 2012
maxima, Seila maxima Cecalupo & Perugia, 2014
mbereensis, Joculator mbereensis Cecalupo & Perugia, 2017
meanii, Joculator meanii Cecalupo & Perugia, 2014
meeki, Seila meeki Wade, 1926 † - syn of: Variseila meeki (Wade, 1926) † (FOSSIL)
megacephala, Joculator megacephala Jay & Drivas, 2002
mekranica, Cerithiopsis mekranica Vredenburg, 1928 † (FOSSIL)
melanesiana, Marshallopsis melanesiana Cecalupo & Perugia, 2013
melania, Joculator melania Laseron, 1956
melanoraphis, Joculator melanoraphis Jay & Drivas, 2002
mellita, Clathropsis mellita Laseron, 1956
melvilli, Cerithiopsis melvilli Jay & Drivas, 2002
memorabilis, Prolixodens memorabilis Cecalupo & Perugia, 2012
memorabilis, Synthopsis memorabilis Cecalupo & Perugia, 2012
merida, Cerithiopsis merida Dall, 1927
merignacensis, Cerithiopsis merignacensis Cossmann & Peyrot, 1922 † - syn of: Metaxia merignacensis (Cossmann & Peyrot, 1922) † (FOSSIL)
metaxae, Cerithiopsis metaxae Delle Chiaje, 1828 - syn of: Metaxia metaxa (Delle Chiaje, 1828)
metaxae alba, Cerithiopsis metaxae alba Marshall, 1893 - syn of: Metaxia metaxa (Delle Chiaje, 1828)
metaxae taeniolata, Cerithiopsis metaxae taeniolata Dall, 1889 - syn of: Metaxia taeniolata (Dall, 1889)
metivieri, Mendax metivieri Jay & Drivas, 2002
micaelae, Horologica micaelae Cecalupo & Perugia, 2012
micalii, Cerithiopsis micalii (Cecalupo & Villari, 1997)
micalii, Joculator micalii Cecalupo & Perugia, 2012
minareta, Horologica minareta Laseron, 1956
minima, Cerithiopsis minima (Brusina, 1865)
minimus, Joculator minimus Laseron, 1956
minor, Tubercliopsis minor Cecalupo & Perugia, 2012
minor, Joculator minor Laseron, 1956
minuata, Cerithiopsis minuata Deshayes, 1864 † (FOSSIL)
minutissimus, Joculator minutissimus (Thiele, 1925)
minutus, Joculator minutus Cecalupo & Perugia, 2012
mirabilis, Synthopsis mirabilis Cecalupo & Perugia, 2012
miranda, Tubercliopsis miranda Cecalupo & Perugia, 2012
modestus, Joculator modestus Cecalupo & Perugia, 2012
montereyensis, Seila montereyensis Bartsch, 1907
montereyensis, Cerithiopsis montereyensis Bartsch, 1911
montezumai, Cerithiopsis montezumai Strong & Hertlein, 1939
montii, Horologica montii Cecalupo & Perugia, 2013
montrouzieri, Prolixodens montrouzieri Cecalupo & Perugia, 2017
moreleti, Cerithiopsis moreleti de Folin, 1868 - syn of: Seila assimilata (Adams, 1852)
morelosensis, Cerithiopsis morelosensis Rolán & Fernández-Garcés, 2010
morenae, Joculator morenae Cecalupo & Perugia, 2013
morigii, Joculator morigii Cecalupo & Perugia, 2017
morishimai, Seila morishimai (Habe, 1970)
morishimai, Notoseila morishimai Habe, 1970 - syn of: Seila morishimai (Habe, 1970)
moritzhoernesi, Cerithiopsis moritzhoernesi Landau, Da Silva & Heitz, 2016 † (FOSSIL)
movilla, Cerithiopsis movilla Dall & Bartsch, 1911
mucro, Cerithiopsis mucro (Laws, 1939) † (FOSSIL)
multilirata, Cerithiopsis multilirata Sowerby, 1894 - syn of: Seilarex turritelliformis (Angas, 1877)
multispirae, Clathropsis multispirae Cecalupo & Perugia, 2012
mundula, Seila mundula Deshayes, 1864
munita, Cerithiopsis munita Carpenter, 1864
murciai, Joculator murciai Cecalupo & Perugia, 2014
murdochi, Zaclys murdochi Marshall, 1978
musii, Horologica musii Chen, Tseng & Lo, 2012
mygaki, Joculator mygaki Jay & Drivas, 2002
myia, Joculator myia (Jay & Drivas, 2002)
myia, Nanopsis myia (Jay & Drivas, 2002) - syn of: Joculator myia (Jay & Drivas, 2002)
nana, Cerithiopsis nana Jeffreys, 1867 - syn of: Potenatomus nanus (Laseron, 1951)
nanus, Potenatomus nanus (Laseron, 1951)
natalensis, Seila natalensis Smith, 1914
necopinata, Spinoseila necopinata Maxwell, 1992 † (FOSSIL)
necropolitana, Cerithiopsina necropolitana (Bartsch, 1911) † (FOSSIL)
neglecta, Cerithiopsis neglecta (Adams, 1852)
negrita, Joculator tomacula negrita Laseron
nicolayae, Prolixodens nicolayae Jay & Drivas, 2002
nigrofusca, Seila nigrofusca Laseron, 1951
nina, Cerithiopsis nina Bartsch, 1915
nisaba, Cerithiopsis nisaba Bartsch, 1915 - syn of: Cerithiopsis foveolata (Sowerby, 1892)
nitidus, Joculator nitidus Cecalupo & Perugia, 2012
nivea, Cubalaskeya nivea (Faber, 2007)
nivea, Retilaskeya nivea Faber, 2007 - syn of: Cubalaskeya nivea (Faber, 2007)
nodosa, Horologica nodosa Cecalupo & Perugia, 2012
nodosocostatus, Cerithiopsis nodosocostatus Yokoyama, 1922 † - syn of: Duplicaria raphanula (Lamarck, 1822) (FOSSIL)
nofronii, Cerithiopsis nofronii Amati, 1987
noninii, Synthopsis noninii Cecalupo & Perugia, 2012
nosimea, Cerithiopsis nosimea Kuroda, 1946
noumeaensis, Synthopsis noumeaensis Cecalupo & Perugia, 2017
nucleoproducta, Mendax nucleoproducta Dell, 1956 - syn of: Cerithiella nucleoproducta (Dell, 1956)
nuetzeli, Zaclys nuetzeli Lauridsen & Schnetler, 2014 † (FOSSIL)
nutzeli, Synthopsis nutzeli Cecalupo & Perugia, 2012
nutzeli, Cerithiopsis nutzeli Jay & Drivas, 2002
oaxacana, Cerithiopsis oaxacana Hertlein & Strong, 1951
obeliscoides, Krachia obeliscoides (Jeffreys, 1885)
obesa, Prolixodens obesa Cecalupo & Perugia, 2017
obesula, Cerithiopsis obesula Bucquoy, Dautzenberg & Dollfus, 1882
obscura, Prolixodens obscura (Cecalupo & Perugia, 2012)
obscura, Marshallopsis obscura Cecalupo & Perugia, 2012 - syn of: Prolixodens obscura (Cecalupo & Perugia, 2012)
obscurus, Joculator obscurus Cecalupo & Perugia, 2012
obsoletus, Joculator obsoletus Cecalupo & Perugia, 2012
occultus, Joculator occultus Cecalupo & Perugia, 2012
oculis, Pilaflexis oculis Laseron, 1951
oculisfictis, Cerithiopsis oculisfictis Prkic & Mariottini, 2010 - syn of: Potenatomus nanus (Laseron, 1951)
odhneri, Mendax trizonalis odhneri Powell
oleagina, Prolixodens oleagina Cecalupo & Perugia, 2017
onealensis, Cerithiopsis onealensis Bartsch, 1921
ophiura, Cerithiopsis ophiura Olsson & Harbison, 1953
opulentus, Joculator opulentus Cecalupo & Perugia, 2013
orientalis, Cerithiopsis orientalis Preston, 1905
ornata, Clathropsis ornata Cecalupo & Perugia, 2014
ouaoensis, Synthopsis ouaoensis Cecalupo & Perugia, 2017
ovatus, Joculator ovatus Laseron, 1956
oxys, Cerithiopsis oxys Bartsch, 1911
pagodula, Cerithiopsis pagodula Adams, 1861
pallens, Clathropsis pallens Cecalupo & Perugia, 2012
pallida, Cerithiopsis pallida Golikov, 1988
pallidus, Joculator pallidus Cecalupo & Perugia, 2012
panglaoensis, Synthopsis panglaoensis Cecalupo & Perugia, 2012
papalis, Cyrbasia papalis (Linnaeus, 1758)
paradoxa, Horologica paradoxa Powell, 1937 - syn of: Horologica dirempta (Odhner, 1924)
paradoxa, Zaclys paradoxa Powell, 1937 - syn of: Horologica dirempta (Odhner, 1924)
paramoea, Cerithiopsis paramoea Bartsch, 1911
parilis, Seila parilis Rolán & Fernandes, 1990
parva, Seila parva Angas, 1871
parvada, Cerithiopsis parvada (Rolán, Espinosa, Fernández-Garcés, 2007)
parvada, Nanopsis parvada Rolán, Espinosa, Fernández-Garcés, 2007 - syn of: Cerithiopsis parvada (Rolán, Espinosa, Fernández-Garcés, 2007)
parvulus, Joculator parvulus Cecalupo & Perugia, 2012
passerina, Horologica passerina Chen, Tseng & Lo, 2012
paucispiralis, Cerithiopsis paucispiralis Rolán & Fernandes, 1989
paupercula, Horologica paupercula Cecalupo & Perugia, 2012
pauxillus, Joculator pauxillus Cecalupo & Perugia, 2012
pavesii, Horologica pavesii Cecalupo & Perugia, 2012
paxillus, Cerithiopsis paxillus Adams, 1861
payriae, Clathropsis payriae Cecalupo & Perugia, 2014
peasei, Cerithiopsis peasei Dautzenberg & Bouge, 1933 - syn of: Cerithiopsis columna Carpenter, 1864
peculiaris, Clathropsis peculiaris Cecalupo & Perugia, 2014
pedroana, Cerithiopsis pedroana Bartsch, 1907
peilei, Seilopsis peilei (Smith, 1910)
penneyi, Mendax penneyi Jay & Drivas, 2002
perforatus, Joculator perforatus Cecalupo & Perugia, 2013
perinii, Marshallopsis perinii Cecalupo & Perugia, 2013
perlata, Cerithiopsis perlata Monterosato, 1889
perligera, Horologica perligera (Thiele, 1930)
perlucidus, Joculator perlucidus Cecalupo & Perugia, 2012
perrini, Cerithiopsis perrini Hertlein & Strong, 1951
peruviana, Cerithiopsis peruviana (D'Orbigny, 1840)
pesa, Cerithiopsis pesa Dall & Bartsch, 1911
petala, Cerithiopsis petala Dall, 1927
petanii, Cerithiopsis petanii Prkic & Mariottini, 2010
philippinensis, Retilaskeya philippinensis Cecalupo & Perugia, 2012
philippinensis, Tubercliopsis philippinensis Cecalupo & Perugia, 2012
phtyr, Joculator phtyr Jay & Drivas, 2002
pickeringae, Cerithiopsis pickeringae Jay & Drivas, 2002
pinea, Horologica pinea (Hedley, 1909)
pinedai, Clathropsis pinedai Cecalupo & Perugia, 2013
pinguis, Joculator pinguis Cecalupo & Perugia, 2012
pizzinii, Joculator pizzinii Cecalupo & Perugia, 2013
placaisae, Synthopsis placaisae Cecalupo & Perugia, 2013
planilata, Seila planilata Nützel, 1998 † (FOSSIL)
plaziati, Synthopsis plaziati Cecalupo & Perugia, 2012
poigounei, Sundaya poigounei Cecalupo & Perugia, 2017
pontilis, Cerithiopsis pontilis Yokoyama, 1927 † - syn of: Rhinoclavis kochi (Philippi, 1848) (FOSSIL)
poppearum, Clathropsis poppearum Cecalupo & Perugia, 2012
porteri, Cerithiopsis porteri Baker, Hanna & Strong, 1938
portoi, Cerithiopsis portoi Rolán & Espinosa, 1996
postuloclathrata, Cerithiopsis postuloclathrata Darragh, 2017 † (FOSSIL)
powelli, Cerithiopsis powelli Marshall, 1978
praeacuta, Synthopsis praeacuta Cecalupo & Perugia, 2012
praelonga, Seila praelonga Deshayes, 1864 † (FOSSIL)
prelleana, Horologica prelleana Cecalupo & Perugia, 2012
premelvilli, Alipta premelvilli MacNeil, 1960 † (FOSSIL)
prieguei, Cerithiopsis prieguei Rolán & Espinosa, 1996
prima, Synthopsis prima Cecalupo & Perugia, 2012
priorai, Joculator priorai Cecalupo & Perugia, 2012
producta, Synthopsis producta Cecalupo & Perugia, 2012
propinqua, Joculator tomacula propinqua Laseron
propria, Cerithiopsidella propria (Laws, 1941) † (FOSSIL)
proxima, Prolixodens proxima Cecalupo & Perugia, 2014
prunus, Joculator prunus Cecalupo & Perugia, 2013
pseudomanzonii, Cerithiopsis pseudomanzonii Böttger, 1906 † (FOSSIL)
pseudomovilla, Cerithiopsis pseudomovilla Rolán & Espinosa, 1996
psyllos, Joculator psyllos Jay & Drivas, 2002
pulchella, Horologica pulchella Adams, 1850 - syn of: Horologica pupa (Dall & Simpson, 1901)
pulchella, Clathropsis pulchella Cecalupo & Perugia, 2012
pulchella, Cerithiopsis pulchella Jeffreys, 1858 - syn of: Cerithiopsis jeffreysi Watson, 1885
pulcherrima, Krachia pulcherrima (Deshayes, 1864) † (FOSSIL)
pulcherrima, Cerithiopsis pulcherrima Melvill, 1896
pulchresculpta, Cerithiopsis pulchresculpta Cachia, Mifsud & Sammut, 2004
pulmoensis, Seila pulmoensis DuShane & Draper, 1975
pulviformis, Joculator pulviformis (Yokoyama, 1924) † (FOSSIL)
pulvis, Cerithiopsis pulvis (Issel, 1869)
punicea, Tubercliopsis punicea Laseron, 1956
pupa, Horologica pupa (Dall & Simpson, 1901)
pupaeformis, Cerithiopsis pupaeformis Basterot, 1825 † - syn of: Batillaria pupaeformis (Basterot, 1825) † (FOSSIL)
pupiformis, Cerithiopsis pupiformis Carpenter, 1857
pupiformis, Joculator pupiformis Cecalupo & Perugia, 2012
purpurea, Horologica purpurea Laseron, 1956
pygmaeum, Cerithiopsis pygmaeum Philippi, 1844 - syn of: Potenatomus nanus (Laseron, 1951)
pygmaeus, Joculator pygmaeus Cecalupo & Perugia, 2012
pyrgiscus, Cerithiopsis pyrgiscus (Philippi, 1887) † (FOSSIL)
quadrifida, Seila quadrifida (Deshayes, 1833) † (FOSSIL)
quadrii, Synthopsis quadrii Cecalupo & Perugia, 2012
quadrilirata, Seila quadrilirata (Wade, 1926) † (FOSSIL)
quadrispiralis, Socienna quadrispiralis (Laseron, 1951)
quaggiottoi, Joculator quaggiottoi Cecalupo & Perugia, 2012
quaterstriata, Clathropsis quaterstriata Cecalupo & Perugia, 2012
querzolai, Synthopsis querzolai Cecalupo & Perugia, 2013
quinquepilia, Tubercliopsis quinquepilia (Laseron, 1951)
radix, Synthopsis radix Laseron, 1956
ralijanoai, Joculator ralijanoai Cecalupo & Perugia, 2014
rapaensis, Synthopsis rapaensis Cecalupo & Perugia, 2014
rauli, Horologica rauli Rolán & Espinosa, 1992
ravni, Retilaskeya ravni Nützel, 1998 † (FOSSIL)
recisus, Joculator recisus Cecalupo & Perugia, 2012
regia, Socienna cracens regia Marshall
regia, Seila regia Marshall, 1978
regia, Synthopsis regia Marshall, 1978
regularis, Pilaflexis regularis Laseron, 1951
regulosum, Cerithiopsis regulosum Adams, 1850
retusa, Seila retusa Cecalupo & Perugia, 2014
reunionensis, Seila reunionensis Jay & Drivas, 2002 - syn of: Cerithiella reunionensis (Jay & Drivas, 2002)
ribesae, Mendax ribesae Jay & Drivas, 2002
richeri, Synthopsis richeri Cecalupo & Perugia, 2017
ridiculus, Joculator ridiculus (Watson, 1886)
rigneusae, Sundaya rigneusae Cecalupo & Perugia, 2017
rinaldii, Horologica rinaldii Cecalupo & Perugia, 2013
robbai, Synthopsis robbai Cecalupo & Perugia, 2012
rolani, Joculator rolani Cecalupo & Perugia, 2012
rosea, Cerithiopsis rosea Adams, 1860
rowelli, Cerithiopsis rowelli Bartsch, 1911 - syn of: Cerithiopsida rowelli (Bartsch, 1911)
rubricincta, Cerithiopsis rubricincta Melvill, 1896
rubrostriata, Horologica rubrostriata Cecalupo & Perugia, 2013
rubus, Joculator rubus Cecalupo & Perugia, 2013
rufocincta, Retilaskeya rufocincta Cecalupo & Perugia, 2013
rufulus, Mendax rufulus Cecalupo & Perugia, 2013
rugulosum, Cerithiopsis rugulosum Adams, 1850
saba, Cerithiopsis saba Bartsch, 1915 - syn of: Cerithiopsis nina Bartsch, 1915
sabrinae, Joculator sabrinae Cecalupo & Perugia, 2012
saepta, Cerithiopsis saepta (Marwick, 1931) † (FOSSIL)
saguili, Joculator saguili Cecalupo & Perugia, 2013
salvati, Joculator salvati Jay & Drivas, 2002
santoensis, Horologica santoensis Cecalupo & Perugia, 2013
sarissa, Zaclys sarissa (Murdoch, 1905)
sarissa, Cerithiopsis sarissa Murdoch, 1905 - syn of: Zaclys sarissa (Murdoch, 1905)
sartorei, Synthopsis sartorei Cecalupo & Perugia, 2012
sassetta, Cerithiopsis sassetta Dall, 1919
satisnodosa, Cerithiopsis satisnodosa Rolán & Fernández-Garcés, 2010
satomii, Cerithiopsis satomii Yokoyama, 1924 † (FOSSIL)
scalaris, Cerithiopsis scalaris Locard, 1892
schepstonensis, Cerithiopsis schepstonensis Tomlin, 1923
schiaparellii, Joculator schiaparellii Cecalupo & Perugia, 2017
scudellarii, Prolixodens scudellarii Cecalupo & Perugia, 2013
sebastianoi, Synthopsis sebastianoi Cecalupo & Perugia, 2012
sebyi, Tubercliopsis sebyi Cecalupo & Perugia, 2012
secundus, Potenatomus secundus (Laseron, 1951)
seddonae, Cerithiopsis seddonae Jay & Drivas, 2002
segurinii, Horologica segurinii Cecalupo & Perugia, 2012
seilaformis, Mendax seilaformis Marshall, 1978
semiclara, Clathropsis semiclara Cecalupo & Perugia, 2012
semilaevis, Zaclys semilaevis (Tenison-Woods, 1877)
semiperlucidus, Joculator semiperlucidus Cecalupo & Perugia, 2013
semipicta, Horologica semipicta (Gould, 1861)
septapilia, Tubercliopsis septapilia (Laseron, 1951)
serenae, Synthopsis serenae Cecalupo & Perugia, 2012
serina, Cerithiopsis serina Dall, 1927
shikoensis, Cerithiopsis shikoensis Yokoyama, 1928 - syn of: Trochocerithium shikoensis (Yokoyama, 1928)
siapoi, Horologica siapoi Cecalupo & Perugia, 2017
siazei, Horologica siazei Cecalupo & Perugia, 2017
sienii, Seila sienii Cecalupo & Perugia, 2017
signa, Cerithiopsina signa (Bartsch, 1921)
sigsbeana, Cerithiopsis sigsbeana Dall, 1881 - syn of: Cerithiella sigsbeana (Dall, 1881)
silviae, Seila silviae Cecalupo & Perugia, 2012
silviae, Synthopsis silviae Cecalupo & Perugia, 2012
similior, Synthopsis similior Cecalupo & Perugia, 2013
simulans, Joculator simulans Cecalupo & Perugia, 2012
simulator, Cerithiopsis simulator (Laws, 1939) † (FOSSIL)
singularis, Cerithiopsis singularis Rolán & Fernández-Garcés, 2013
sknips, Prolixodens sknips Jay & Drivas, 2002
skolix, Joculator skolix Jay & Drivas, 2002
smithi, Seila smithi Bartsch, 1915 - syn of: Triphora smithi (Bartsch, 1915)
societatis, Seila societatis Cecalupo & Perugia, 2014
sohli, Cerithiopsis sohli Kauffman, 1961 † (FOSSIL)
sorex, Cerithiopsis sorex Carpenter, 1857
soror, Cerithiopsis soror Thiele, 1925
spadai, Synthopsis spadai Cecalupo & Perugia, 2017
spectabilis, Synthopsis spectabilis Cecalupo & Perugia, 2012
spiculum, Zaclys spiculum Laws, 1940 † (FOSSIL)
spinosa, Marshallopsis spinosa Cecalupo & Perugia, 2013
spiritussanctis, Mendax spiritussanctis Cecalupo & Perugia, 2013
splendens, Prolixodens splendens Cecalupo & Perugia, 2012
splendida, Horologica splendida Cecalupo & Perugia, 2012
spongicola, Cerithiopsis spongicola Habe, 1960
spurca, Sundaya spurca Cecalupo & Perugia, 2017
stejnegeri, Cerithiopsis stejnegeri Dall, 1884
stejnegeri dina, Cerithiopsis stejnegeri dina Bartsch, 1911
stenopyrgisca, Seila stenopyrgisca Darragh, 2017 † (FOSSIL)
stephensae, Cerithiopsis stephensae Bartsch, 1909
steykerae, Joculator steykerae Cecalupo & Perugia, 2013
stictica, Cyrbasia stictica (Link, 1807)
stiria, Mendax stiria Webster, 1906 - syn of: Cerithiella stiria (Webster, 1906)
stramineus, Joculator stramineus Cecalupo & Perugia, 2013
stylifera, Cerithiopsis stylifera Thiele, 1930
styliferus, Zaclys styliferus Cotton, 1951
subalbida, Seila subalbida Dall, 1927
subantarctica, Cerithiopsis subantarctica Suter, 1908 - syn of: Zaclys sarissa (Murdoch, 1905)
subapicina, Mendax subapicina (Dell, 1956)
subconicus, Joculator subconicus Cecalupo & Perugia, 2012
subdolus, Joculator subdolus Cecalupo & Perugia, 2012
subglobosus, Joculator subglobosus Cecalupo & Perugia, 2013
subgloriosa, Cerithiopsis subgloriosa Baker, Hanna & Strong, 1938
sublima, Joculator sublima Marshall, 1978
subreticulata, Cerithiopsis subreticulata (Dunker, 1860)
subrosea, Clathropsis subrosea Cecalupo & Perugia, 2013
subula, Joculator subula Laseron, 1956
subulata, Cerithiopsis subulata (Montagu, 1808)
subulata, Cerithiopsis subulata Auct. non Montagu, 1808 - syn of: Retilaskeya bicolor (Adams, 1845)
succineus, Joculator succineus Cecalupo & Perugia, 2013
sumatrensis, Cerithiopsis sumatrensis Thiele, 1925
susieae, Cerithiopsis susieae Rolán & Krisberg, 2014
sykesii, Cerithiopsis sykesii Melvill, 1896
tabanellii, Horologica tabanellii Cecalupo & Perugia, 2012
tabatensis, Cerithiopsis tabatensis Tokunaga, 1906 † (FOSSIL)
taeniata, Horologica taeniata Cecalupo & Perugia, 2013
tagliaferroi, Joculator tagliaferroi Cecalupo & Perugia, 2017
tahitiensis, Marshallopsis tahitiensis Cecalupo & Perugia, 2014
tarruelasi, Prolixodens tarruelasi (Peñas & Rolán, 2006)
tarruellasi, Cerithiopsis tarruellasi Peñas & Rolán, 2006
tasmantis, Binda tasmantis Laseron, 1951 - syn of: Cerithiella pileata (Laseron, 1951)
telegraphica, Horologica telegraphica (Hedley, 1909)
temperans, Cerithiopsis temperans (Marwick, 1931) † (FOSSIL)
tenthrenois, Cerithiopsis tenthrenois (Melvill, 1896)
tenuicolorata, Synthopsis tenuicolorata Cecalupo & Perugia, 2012
tenuicostata, Mendax tenuicostata Cecalupo & Perugia, 2017
tenuis, Seila tenuis Laseron, 1951
terebelloides, Seila terebelloides (Hutton, 1873)
terebelloides, Notoseila terebelloides Hutton, 1873 - syn of: Seila terebelloides (Hutton, 1873)
terebralis, Seila terebralis Adams, 1840 - syn of: Seila adamsii (Lea, 1845)
testaceus, Joculator testaceus Cecalupo & Perugia, 2013
testii, Joculator testii Cecalupo & Perugia, 2017
thelcterium, Granulopsis thelcterium (Tomlin, 1929)
theodosiae, Mendax theodosiae Jay & Drivas, 2002
thielei, Joculator thielei Jay & Drivas, 2002
thomensis, Cerithiopsis thomensis Tomlin, 1929 - syn of: Metaxia metaxa (Delle Chiaje, 1828)
thornleyana, Clathropsis thornleyana Laseron, 1956
tiara, Krachia tiara (Monterosato, 1874)
tieensis, Joculator tieensis Cecalupo & Perugia, 2017
tomacula, Joculator tomacula Laseron, 1956
tomacula negrita, Joculator tomacula negrita Laseron, 1956
tomacula propinqua, Joculator tomacula propinqua Laseron, 1956
tongoensis, Synthopsis tongoensis Cecalupo & Perugia, 2016
touhoensis, Belonimorphis touhoensis Cecalupo & Perugia, 2017
touzini merignacensis, Cerithiopsis touzini merignacensis Cossmann & Peyrot, 1922 † - syn of: Metaxia merignacensis (Cossmann & Peyrot, 1922) † (FOSSIL)
tribulationis, Joculator tribulationis (Hedley, 1909)
tricolor, Ondulopsis tricolor Cecalupo & Perugia, 2012
trigeminata, Cerithiopsis trigeminata Deshayes, 1864 † (FOSSIL)
trilineata, Seila trilineata (Philippi, 1836)
tripilia, Clathropsis tripilia (Laseron, 1951)
trisculpta, Socienna trisculpta (May, 1912)
trisulcatus, Cerithiopsis trisulcatus Yokoyama, 1922 † - syn of: Seila yokoyamai Cossmann, 1954 † (FOSSIL)
trizonalis, Mendax trizonalis (Odhner, 1924)
trizonalis odhneri, Mendax trizonalis odhneri (Powell, 1927)
trizonaloides, Mendax trizonaloides Marshall, 1978
troendlei, Marshallopsis troendlei Cecalupo & Perugia, 2014
truncatum, Cerithiopsis truncatum Dall, 1886
tsaoi, Horologica tsaoi Chen, Tseng & Lo, 2012
tsiriveloi, Joculator tsiriveloi Cecalupo & Perugia, 2014
tuanainaii, Clathropsis tuanainaii Cecalupo & Perugia, 2014
tubercularis, Cerithiopsis tubercularis (Montagu, 1803)
tubercularis clarkii, Cerithiopsis tubercularis clarkii Jeffreys, 1867 - syn of: Cerithiopsis tubercularis (Montagu, 1803)
tubercularis floridana, Cerithiopsis tubercularis floridana Dall, 1892 - syn of: Cerithiopsis floridana Dall, 1892
tubercularis nana, Cerithiopsis tubercularis nana Jeffreys, 1867 - syn of: Potenatomus nanus (Laseron, 1951)
tuberculata, Sundaya tuberculata Powell, 1927
tuberculatus, Cerithiopsis tuberculatus Philippi, 1844 - syn of: Potenatomus nanus (Laseron, 1951)
tuberculoides, Cerithiopsis tuberculoides Carpenter, 1857
tumida, Cerithiopsis tumida (Bartsch, 1907)
tumida, Synthopsis tumida Cecalupo & Perugia, 2012
turbonilloides, Ektonos turbonilloides (Dautzenberg & Fischer, 1896)
turgida, Marshallopsis turgida Cecalupo & Perugia, 2012
turgida, Synthopsis turgida Cecalupo & Perugia, 2012
turgida, Tubercliopsis turgida Cecalupo & Perugia, 2012
turoniensis, Cerithiopsis turoniensis Glibert, 1949 † - syn of: Metaxia merignacensis (Cossmann & Peyrot, 1922) † (FOSSIL)
turreta, Clathropsis turreta Laseron, 1956
turriger, Joculator turriger Watson, 1886 - syn of: Horologica turrigera (Watson, 1886)
turrigera, Horologica turrigera (Watson, 1886)
turrita, Ondulopsis turrita Cecalupo & Perugia, 2012
turritellata, Synthopsis turritellata Cecalupo & Perugia, 2012
tutubaensis, Marshallopsis tutubaensis Cecalupo & Perugia, 2013
unicolor, Joculator unicolor Cecalupo & Perugia, 2012
unisulcatus, Cerithiopsis unisulcatus Author unknown † (FOSSIL)
urioi, Krachia urioi Hallgass, 1985 - syn of: Krachia cylindrata (Jeffreys, 1885)
utriculus, Marshallopsis utriculus Cecalupo & Perugia, 2017
uveanus, Joculator uveanus (Melvill & Standen, 1896)
valeriae, Onchodia valeriae (Giusti, 1987)
vallesi, Synthopsis vallesi Cecalupo & Perugia, 2013
vandelae, Joculator vandelae Cecalupo & Perugia, 2014
vanhyningi, Cerithiopsis vanhyningi Bartsch, 1918
vanuatuensis, Seila vanuatuensis Cecalupo & Perugia, 2013
variabilis, Joculator variabilis Cecalupo & Perugia, 2012
variabilis, Seila variabilis Cecalupo & Perugia, 2012
varians, Joculator varians Laseron, 1956
vassardi, Joculator vassardi Cecalupo & Perugia, 2014
vaurisi, Synthopsis vaurisi (Jay & Drivas, 2002)
vaurisi, Cerithiopsis vaurisi Jay & Drivas, 2002 - syn of: Synthopsis vaurisi (Jay & Drivas, 2002)
vavaiensis, Synthopsis vavaiensis Cecalupo & Perugia, 2014
veatchiana, Cerithiopsis veatchiana Maury, 1912 † (FOSSIL)
venustus, Joculator venustus Cecalupo & Perugia, 2013
versluysi, Seila versluysi (Schepman, 1909)
vestalis, Seila vestalis Adams, 1854 - syn of: Triphora vestalis (Adams, 1854)
vexillum, Synthopsis vexillum Cecalupo & Perugia, 2016
vianelloi, Prolixodens vianelloi Cecalupo & Perugia, 2013
vicola, Cerithiopsis vicola Dall & Bartsch, 1911
vignali, Cerithiopsis vignali Cossmann & Peyrot, 1922 † (FOSSIL)
vignali, Joculator vignali Jay & Drivas, 2002
vinca, Cerithiopsis vinca Olsson & Harbison, 1953
violacea, Ondulopsis violacea Cecalupo & Perugia, 2012
violacea, Tubercliopsis violacea Cecalupo & Perugia, 2012
violaceus, Joculator violaceus Cecalupo & Perugia, 2012
violator, Horologica violator (Laws, 1944) † (FOSSIL)
virginica, Cerithiopsis virginica Henderson & Bartsch, 1914
virginieae, Horologica virginieae Cecalupo & Perugia, 2012
virgo, Cerithiopsis virgo Thiele, 1925
virgula, Synthopsis virgula (Laseron, 1951)
vitrea, Cerithiopsis vitrea Dall, 1927 - syn of: Eumetula vitrea (Dall, 1927)
voncoseli, Joculator voncoseli Cecalupo & Perugia, 2012
wareni, Seila wareni Cecalupo & Perugia, 2012
warmkae, Cerithiopsis warmkae De Jong & Coomans, 1988
wayae, Cerithiopsis wayae Jay & Drivas, 2002
websterae, Joculator websterae Cecalupo & Perugia, 2014
weinbrechti, Thereitis weinbrechti Schnetler, 2001 † (FOSSIL)
wesselinghi, Cerithiopsis wesselinghi Landau, Da Silva & Heitz, 2016 † (FOSSIL)
westiana, Horologica westiana (Hedley, 1909)
whaaporum, Prolixodens whaaporum Cecalupo & Perugia, 2017
willetti, Cerithiopsis willetti Bartsch, 1921
yokoyamai, Seila yokoyamai Cossmann, 1954 † (FOSSIL)
zannii, Clathropsis zannii Cecalupo & Perugia, 2012
zelandica, Retilaskeya zelandica Marshall, 1978
ziliolii, Cerithiopsidella ziliolii Cecalupo & Perugia, 2012
ziliolii, Joculator ziliolii Cecalupo & Perugia, 2012
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