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abacoensis, Cerion abacoensis Pilsbry & Vanatta, 1895
abbotti, Strophiops abbotti Clench, 1961
acceptoria, Strophiops acceptoria Maynard, 1913
accuminator, Strophiops accuminator Maynard & Clapp, 1920
acherontis, Protocerion acherontis (Roth & Hartman, 1998) † (FOSSIL)
acuminator, Strophiops acuminator Pilsbry & Vanatta, 1896 - syn of: Cerion eleutherae Pilsbry & Vanatta, 1896
acuta, Strophiops acuta (Maynard, 1889)
acuticostatum, Umbonis acuticostatum Clench & Aguayo, 1952 - syn of: Cerion acuticostatum Sánchez Roig, 1948
acuticostatum, Cerion acuticostatum Gonzalez Guillén, 2008 - syn of: Cerion acuticostatum Sánchez Roig, 1948
acuticostatum, Cerion acuticostatum Sánchez Roig, 1948
adumbra, Strophiops adumbra Maynard & Clapp, 1920
aeclili, Cerion caroli aeclili Aguayo & Torre
aedilii, Cerion aedilii Aguayo & Torre, 1951
affinis, Strophiops affinis Maynard, 1913 - syn of: Cerion glans Küster, 1844
agassizii, Cerion agassizii Dall, 1894
agava, Strophiops neglecta agava Maynard
agavaneglecta, Strophiops agavaneglecta Maynard, 1913 - syn of: Strophiops neglecta agava Maynard, 1913
agrestina, Cerion agrestina Maynard, 1894
agricola, Strophiops agricola Maynard, 1919
aguayoi, Cerion aguayoi Torre & Clench, 1957
aguayoi bequaerti, Cerion aguayoi bequaerti Torre & Clench, 1932
ajax, Strophiops ajax Maynard, 1924
alba, Strophiops alba Maynard, 1889 - syn of: Strophiops lentiginosa (Maynard, 1889)
albata, Strophiops albata Maynard & Clapp, 1921
albea, Strophia albea Maynard, 1894 - syn of: Cerion glans Küster, 1844
alberti, Cerion alberti Clench & Aguayo, 1949
albicostata, Cerion albicostata (Maynard, 1894)
albolabra, Strophiops albolabra Clench, 1952
album brownei, Cerion album brownei Pilsbry, 1902 - syn of: Strophiops lentiginosa (Maynard, 1889)
alcaldei, Cerion alcaldei Aguayo & Sánchez Roig, 1953
alleni, Cerion alleni Torre, 1929
alleni madama, Cerion alleni madama Sánchez Roig, 1951 - syn of: Cerion madama Sánchez Roig, 1951
alleni migueleti, Cerion alleni migueleti Sánchez Roig, 1951 - syn of: Cerion migueleti Sánchez Roig, 1951
alleni sanchezi, Cerion alleni sanchezi Clench & Aguayo, 1953 - syn of: Cerion sanchezi Clench & Aguayo, 1953
alvearia, Cerion alvearia Dillwyn, 1817
angustalabra, Strophiops angustalabra Maynard & Clapp, 1921 - syn of: Cerion glans Küster, 1844
angustocostata, Strophiops angustocostata Maynard & Clapp, 1921
antiqua, Strophiops antiqua Maynard, 1913 - syn of: Cerion agassizii Dall, 1894
arangoi, Cerion arangoi (Pilsbry & Vanatta, 1896)
arangoi alcaldei, Cerion arangoi alcaldei Aguayo & Sánchez Roig, 1953 - syn of: Cerion alcaldei Aguayo & Sánchez Roig, 1953
arbusta, Strophiops arbusta Maynard & Clapp, 1921 - syn of: Cerion glans Küster, 1844
arethusae, Brasilennea arethusae Maury, 1935 † (FOSSIL)
argentia, Strophiops argentia Maynard, 1913
armouri, Strophiops armouri Clench, 1933
arubanum, Cerion arubanum Baker, 1924
asperum, Cerion asperum (Maynard & Clapp, 1920)
aviaria, Strophiops aviaria Maynard & Clapp, 1921 - syn of: Cerion glans Küster, 1844
avita, Strophiops avita Maynard, 1913
baconi, Cerion baconi Bartsch, 1952
balaena, Strophiops balaena Maynard & Clapp, 1921 - syn of: Cerion glans Küster, 1844
banesense, Cerion banesense Clench & Aguayo, 1949
barbouri, Strophiops barbouri Clench, 1933
bariayi, Cerion bariayi Aguayo & Jaume, 1957
barroi, Cerion barroi Aguayo & Jaume, 1957
basistriatum, Cerion basistriatum Pilsbry & Vanatta, 1895
bednalli, Cerion bednalli Pilsbry & Vanatta, 0 - syn of: Cerion bendalli Pilsbry & Vanatta, 1896
bendalli, Cerion bendalli Pilsbry & Vanatta, 1896
bequaerti, Cerion aguayoi bequaerti Torre & Clench
bermudezi, Cerion gundlachi bermudezi Aguayo & Jaume
berryense, Cerion berryense Plate, 1907
bimarginatum, Strophiops bimarginatum Maynard, 1894
bimarginatum cera, Strophiops bimarginatum cera Maynard, 1894
biminiense, Strophiops biminiense Henderson & Clapp, 1913
bioscai, Cerion bioscai Aguayo & Jaume, 1951
blandi, Cerion blandi Pilsbry & Vanatta, 1896
blanesi, Cerion blanesi Clench & Aguayo, 1951
blanesi bariayi, Cerion blanesi bariayi Aguayo & Jaume, 1957 - syn of: Cerion bariayi Aguayo & Jaume, 1957
bonairensis, Cerion uva bonairensis Baker
botrys, Cerion botrys Röding, 1798
brevispira, Cerion regina brevispira Pilsbry & Vanatta
brownei, Strophiops brownei Maynard, 1889 - syn of: Strophiops lentiginosa (Maynard, 1889)
brunneum, Cerion brunneum Dall, 1905
bryanti, Cerion bryanti Pfeiffer, 1867
bryanti pudicum, Cerion bryanti pudicum Pilsbry, 1902
buidei, Cerion gundlachi buidei Jaume
bulgare, Cerion bulgare Röding, 1798
cabocruzense, Cerion cabocruzense Pilsbry & Torre, 1943
cabrerai, Cerion mumia cabrerai Aguayo & Sánchez Roig
caduca, Strophiops caduca Maynard & Clapp, 1921 - syn of: Cerion glans Küster, 1844
caerulea, Strophiops caerulea Maynard & Clapp, 1915
caerulescens, Strophiops caerulescens Maynard & Clapp, 1920 - syn of: Cerion glans Küster, 1844
caicosense, Cerion caicosense Clench, 1937
calcarea, Cerion calcarea Pfeiffer, 1847
caminus, Cerion caminus Gould, 1984
cana, Strophiops cana Maynard & Clapp, 1921 - syn of: Cerion glans Küster, 1844
canasiense, Cerion ceiba canasiense Aguayo & Torre
canasiense miniusculum, Cerion canasiense miniusculum Gonzalez Guillén, 2008 - syn of: Cerion ceiba minusculum Aguayo & Torre, 1952
candida, Strophiops candida Maynard & Clapp, 1921
cannonicum, Cerion cannonicum Dall, 1905 - syn of: Cerion pillsburyi Pilsbry & Vanatta, 1897
canonicum, Strophiops canonicum Dall, 1905
cantilloensis, Cerion cantilloensis Gonzalez Guillén, 2008
capillaris, Cerion capillaris Beck, 1837
capraia, Strophiops capraia Maynard & Clapp, 1921 - syn of: Cerion glans Küster, 1844
cardenense, Cerion microdon cardenense Aguayo & Sánchez Roig
cardenese, Cerion microstomum cardenese Aguayo & Sánchez Roig
carlotta, Strophiops carlotta Maynard, 1894
carnale, Strophiops carnale Maynard & Clapp, 1921
caroli, Cerion caroli Aguayo & Torre, 1951
caroli aeclili, Cerion caroli aeclili Aguayo & Torre, 1951
caroli aedilii, Cerion caroli aedilii Aguayo & Torre, 1951 - syn of: Cerion aedilii Aguayo & Torre, 1951
casablancae, Cerion casablancae Bartsch, 1920
castra, Strophiops castra Maynard & Clapp, 1921
catherwoodianum, Cerion catherwoodianum Wurtz, 1950
caymanense, Cerion caymanense Pilsbry, 1902
ceiba, Cerion ceiba Clench, 1948
ceiba canasiense, Cerion ceiba canasiense Aguayo & Torre, 1951
ceiba ludovice, Cerion ceiba ludovice Torre, 1954
ceiba ludovici, Cerion ceiba ludovici Torre, 1954
ceiba minusculum, Cerion ceiba minusculum Aguayo & Torre, 1952
ceiba valdesi, Cerion ceiba valdesi Torre, 1954
cera, Strophiops bimarginatum cera Maynard
cervina, Strophiops cervina Maynard & Clapp, 1920
chaparra, Cerion chaparra Aguayo & Sánchez Roig, 1953
chaplini, Cerion chaplini Wurtz, 1950
christophei, Cerion christophei Clench, 1937
chrysalis, Cerion mumia chrysalis Férussac
chrysalis, Cerion chrysalis Férussac, 1832 - syn of: Cerion mumia chrysalis (Férussac, 1837)
chrysalis bidens, Cerion mumia chrysalis bidens Beck
chrysaloides, Cerion chrysaloides Plate, 1907
chrysoides, Cerion chrysoides Plate, 1907 - syn of: Cerion chrysaloides Plate, 1907
cinerea, Strophia cinerea Maynard, 1894 - syn of: Cerion glans Küster, 1844
cinerea mutata, Strophia cinerea mutata Maynard, 1894 - syn of: Strophiops mutata Maynard, 1894
cinerea tracta, Strophiops cinerea tracta Maynard, 1894 - syn of: Strophiops tracta Maynard, 1894
cinereavara, Cerion cinereavara Maynard, 1913 - syn of: Cerion cinereavaria Maynard, 1913
cinereavaria, Cerion cinereavaria Maynard, 1913
circumscriptum, Cerion circumscriptum Aguayo & Jaume, 1951
circumscriptum romanoensis, Cerion circumscriptum romanoensis Aguayo & Sánchez Roig, 1953 - syn of: Cerion romanoensis Aguayo & Sánchez Roig, 1953
circumscriptum tenuicallum, Cerion circumscriptum tenuicallum Aguayo & Sánchez Roig, 1953
cisneroi, Cerion cisneroi Clench & Aguayo, 1951 - syn of: Cerion cisnerosi Clench & Aguayo, 1951
cisnerosi, Cerion cisnerosi Clench & Aguayo, 1951
clappi, Cerion clappi (Maynard, 1894)
clara, Strophiops clara Maynard, 1924
clathrata, Cerion clathrata (Humphrey, 1797)
clenchi, Cerion clenchi Gould & Woodruff, 1986
cliffordi, Strophiops martensi cliffordi Clench
coaretata, Cerion coaretata Beck, 1837
cobarrubia, Cerion cobarrubia Aguayo & Jaume, 1951
columbiana, Strophiops columbiana Maynard & Clapp, 1921 - syn of: Cerion glans Küster, 1844
columbinus, Cerion columbinus Sánchez Roig, 1951
columna, Cerion columna Pilsbry & Vanatta, 1895
concina, Strophiops concina Maynard, 1924
confusa, Strophiops confusa Maynard & Clapp, 1921 - syn of: Cerion glans Küster, 1844
constrictum, Cerion marielinum constrictum Aguayo & Jaume
conus, Cerion conus Beck, 1837
copia, Strophiops copia (Maynard, 1889)
copiosa, Strophiops copiosa Pilsbry, 1901 - syn of: Strophiops copia (Maynard, 1889)
coryi, Strophia coryi Maynard, 1894 - syn of: Cerion glans Küster, 1844
costata, Cerion costata Beck, 1837
costellatum, Cerion tridentatum costellatum Pilsbry
costulata, Cerion costulata Beck, 1837
coutini, Cerion coutini Sánchez Roig, 1951
crassa, Strophiops crassa Maynard & Clapp, 1920 - syn of: Cerion eleutherae Pilsbry & Vanatta, 1896
crassalabra, Strophiops crassalabra Maynard & Clapp, 1921
crassamarga, Strophiops crassamarga Maynard & Clapp, 1924
crassicostata, Cerion crassicostata Pilsbry, 1896
crassilabris, Cerion crassilabris Sowerby, 1875
crassilabris sallei, Cerion crassilabris sallei Pilsbry & Vanatta, 1896
crassilabrum, Cerion crassilabrum Sowerby, 1875 - syn of: Cerion crassilabris Sowerby, 1875
crassiusculum, Cerion crassiusculum Torre, 1899
crassiusculum smithi, Cerion crassiusculum smithi Blanes, 1902
crescentia, Strophiops crescentia Maynard & Clapp, 1921
cumingiana, Cerion cumingiana Pfeiffer, 1852
curtissii, Strophia curtissii Maynard, 1894 - syn of: Cerion glans Küster, 1844
cuspidatum, Cerion mumia cuspidatum Aguayo & Sánchez Roig
cyclostomum, Cerion cyclostomum (Küster, 1841)
cyclura, Strophiops cyclura Maynard & Clapp, 1920 - syn of: Cerion glans Küster, 1844
cylindriata, Strophiops cylindriata Maynard & Clapp, 1920
cylindrica, Strophiops cylindrica Maynard, 1896
dallii, Strophiops dallii (Maynard, 1889)
deani, Cerion deani Smith, 1943
decumanus, Cerion decumanus (Férussac, 1821)
degeneri, Cerion degeneri Clench, 1948
degenis, Strophiops degenis Maynard & Clapp, 1920
delicata, Strophiops delicata Maynard, 1913
desculptum, Cerion uva desculptum Pilsbry & Vanatta
detrita, Cerion detrita Pfeiffer, 1854
devereuxi, Strophiops devereuxi Maynard & Clapp, 1915
diablensis, Cerion diablensis Baker, 1924
dickersoni, Cerion dickersoni Richards, 1935
dimidiatum, Cerion dimidiatum Pfeiffer, 1847
disforme, Cerion disforme Clench & Aguayo, 1946
disforme nodali, Cerion disforme nodali Clench & Aguayo, 1953
dissimila, Strophiops dissimila Maynard & Clapp, 1920
djerimensis, Cerion djerimensis Baker, 1924
dominicanum, Cerion marielinum dominicanum Clench & Aguayo
dorotheae, Cerion dorotheae Aguayo & Jaume, 1951
drupium, Cerion eleutherae drupium Dall
duplodon, Cerion duplodon Pilsbry & Vanatta, 1896
ebriolum, Cerion ebriolum Aguayo & Jaume, 1951
eburneum, Cerion eburneum (Maynard, 1894)
eburnia, Strophiops eburnia Maynard, 1894
edentula, Cerion edentula Beck, 1837
elegans, Cerion elegans Beck, 1837
elegantissima, Multicostata elegantissima Maynard & Clapp, 1920 - syn of: Cerion eximium Maynard, 1894
eleutherae, Cerion eleutherae Pilsbry & Vanatta, 1896
eleutherae drupium, Cerion eleutherae drupium Dall, 1905
elongata, Strophiops elongata Maynard, 1894
enriquis, Cerion minae enriquis Torre & Bermúdez
eratica, Strophiops eratica Maynard & Clapp, 1921
ericksoni, Cerion ericksoni Clench, 1959
eucosmia, Cerion eucosmia Pilsbry & Vanatta, 1895
eucosmium, Cerion regina eucosmium Pilsbry & Vanatta
eurystoma, Strophiops eurystoma Maynard, 1896
eurystoma ignota, Strophiops eurystoma ignota Maynard, 1896
evolva, Strophiops pilsbryi evolva Maynard
exasperata, Strophiops exasperata Maynard & Clapp, 1920 - syn of: Cerion glans Küster, 1844
excelsior, Cerion excelsior Gould, 1984
exigua, Strophiops exigua Maynard, 1913 - syn of: Cerion glans Küster, 1844
eximeum, Cerion eximeum Maynard, 1894 - syn of: Cerion eximium Maynard, 1894
eximium, Cerion eximium Maynard, 1894
eximium fraternum, Cerion eximium fraternum Pilsbry, 1902
eximium lerneri, Cerion eximium lerneri Clench, 1956
exorta, Cerion exorta (Maynard & Clapp, 1920)
extensa, Strophiops extensa Maynard, 1924
extranea, Strophiops extranea Maynard, 1924
extrema, Cerion extrema Maynard & Clapp, 1920
exumense, Cerion exumense Plate, 1907
fairchildi, Strophiops fairchildi Clench, 1933
fasciatum, Cerion incanum fasciatum Binney
fastigata, Strophiops fastigata Maynard, 1896
fastigatum, Cerion mumia fastigatum Maynard
faxoni, Strophiops faxoni Maynard, 1896
felis, Cerion felis Pilsbry & Vanatta, 1895
feltoni, Cerion feltoni Sánchez Roig, 1951
feriai, Cerion vulneratum feriai Clench & Aguayo
fernandina, Strophiops fernandina Clench, 1952
ferruginea, Strophiops ferruginea Maynard, 1896
festiva, Strophiops festiva (Maynard, 1889)
filale, Cerion filale Torre & Bermúdez - syn of: Cerion filiale Torre & Bermúdez
filiale, Cerion filiale Torre & Bermúdez
fincastlei, Strophiops fincastlei Maynard & Clapp, 1921
fitzgeraldi, Strophiops fitzgeraldi Maynard & Clapp, 1921
flacida, Strophiops flacida Maynard & Clapp, 1921
flamea, Strophiops flamea Maynard & Clapp, 1921
flavida, Cerion flavida Maynard & Clapp, 1921 - syn of: Cerion glans Küster, 1844
floridanum, Strophiops floridanum (Dall, 1890)
fordii, Cerion fordii Pilsbry & Vanatta, 1897
fordii submarmoratum, Cerion fordii submarmoratum Pilsbry & Vanatta, 1897
fragilis, Strophiops fragilis Maynard & Clapp, 1921
fraternum, Cerion eximium fraternum Pilsbry
fruticosa, Strophiops fruticosa Maynard & Clapp, 1920 - syn of: Cerion glans Küster, 1844
fulminea, Strophiops fulminea Maynard & Clapp, 1915
fulvia, Strophiops fulvia Maynard & Clapp, 1920
fusca, Strophiops fusca (Maynard, 1889)
fuscata, Strophiops fuscata (Binney, 1885)
fusus, Cerion fusus (Bruguière, 1792)
garcianum, Cerion garcianum Gonzalez Guillén, 2008
genitiva, Strophiops genitiva Maynard & Clapp, 1920
geophilus, Cerion geophilus Clench & Aguayo, 1949
gigantea, Cerion ritchiei gigantea Maynard
gigantea, Strophiops gigantea Maynard & Clapp, 1921 - syn of: Strophiops ajax Maynard, 1924
gigantea, Cerion mumia gigantea Sánchez Roig
glaber, Strophiops glaber (Maynard, 1889)
glans, Cerion glans Küster, 1844
glans berryense, Cerion glans berryense Plate, 1907 - syn of: Cerion berryense Plate, 1907
glans bimarginatum, Cerion glans bimarginatum Maynard, 1894 - syn of: Strophiops bimarginatum Maynard, 1894
glans irregulare, Cerion glans irregulare Plate, 1907
glans obesum, Cerion glans obesum Dall, 1905
glans scalarinoides, Cerion glans scalarinoides Plate, 1907 - syn of: Strophiops scalarinoides Plate, 1907
glans varium, Cerion glans varium (Bonnet, 1846)
gracila, Cerion gracila (Maynard, 1924)
grayi, Cerion ritchiei grayi Maynard
grayi, Strophia grayi Maynard, 1894 - syn of: Cerion eleutherae Pilsbry & Vanatta, 1896
greenwayi, Cerion greenwayi Clench, 1934
grilloensis, Cerion grilloensis Sánchez Roig, 1951
grisea, Cerion grisea Maynard, 1894
gruneri, Cerion gruneri Pfeiffer, 1847
guajabaense, Cerion guajabaense Sánchez Roig, 1951
gubernatoria, Cerion gubernatoria Crosse, 1869
guillermi, Cerion mumiola guillermi Torre
gundlachi, Cerion gundlachi (Pfeiffer, 1852)
gundlachi bermudezi, Cerion gundlachi bermudezi Aguayo & Jaume, 1951
gundlachi buidei, Cerion gundlachi buidei Jaume, 1984
gundlachi parvulum, Cerion gundlachi parvulum Aguayo & Jaume, 1951
gundlachi tantillum, Cerion gundlachi tantillum Aguayo & Jaume, 1951
guttula, Brasilennea guttula Salvador & Simone, 2012 † (FOSSIL)
harringtoni, Cerion paucicostatum harringtoni Aguayo & Sánchez Roig
hartbennetii, Strophiops hartbennetii Maynard & Clapp, 1921
hartbennettii, Strophiops hartbennettii Maynard & Clapp, 1921 - syn of: Cerion glans Küster, 1844
hatoensis, Cerion uva hatoensis Baker
hedwigiae, Cerion hedwigiae Plate, 1907
helena, Strophiops helena Maynard, 1914 - syn of: Cerion glans Küster, 1844
hendersoni, Cerion hendersoni Torre
hernandezi, Cerion pineria hernandezi Aguayo & Sánchez Roig
herrerai, Cerion herrerai Aguayo & Jaume, 1951
herrerai strigis, Cerion herrerai strigis Aguayo & Sánchez Roig, 1953
herrerai subcostulatum, Cerion herrerai subcostulatum Aguayo & Sánchez Roig, 1953
hersheyi, Cerion mumia hersheyi Clench & Aguayo
hessei, Cerion hessei Clench & Aguayo, 1949
hesternia, Strophiops hesternia Maynard & Clapp, 1915
heterodon, Cerion heterodon Pilsbry, 1902
hologlyptum, Cerion hologlyptum Pilsbry, 1902
hondana, Cerion hondana Pilsbry, 1902
hondanum, Cerion mumia hondanum Pilsbry
hughesi, Cerion hughesi Clench, 1952
humberti, Cerion torrei humberti Clench & Aguayo
huntingtoni, Cerion huntingtoni Clench, 1952
hyattii, Strophiops hyattii Maynard, 1913
hyperlissum, Cerion hyperlissum Pilsbry & Vanatta, 1896
ianthina, Strophiops ianthina (Maynard, 1889)
ignota, Strophiops eurystoma ignota Maynard
imperfecta, Strophiops imperfecta Maynard & Clapp, 1920
inaguense, Cerion inaguense Clench, 1933
incanoides, Cerion incanoides Pilsbry & Vanatta, 1895 - syn of: Cerion regina Pilsbry & Vanatta, 1895
incanum, Cerion incanum Binney, 1851
incanum fasciatum, Cerion incanum fasciatum Binney, 1851
incanum saccharimeta, Cerion incanum saccharimeta Pilsbry & Vanatta, 1899
incanum vaccinum, Cerion incanum vaccinum Pilsbry, 1902
incisum, Cerion oweni incisum Dall
inconspicuum, Strophiops inconspicuum Dall, 1905
inconspicuum lacunorum, Strophiops inconspicuum lacunorum Dall, 1905
inconstans, Strophiops inconstans Maynard & Clapp, 1920 - syn of: Cerion glans Küster, 1844
inconsueta, Strophiops inconsueta Maynard, 1913 - syn of: Cerion eleutherae Pilsbry & Vanatta, 1896
incrassatum, Cerion incrassatum (Sowerby, 1876)
incrassatum microdon, Cerion incrassatum microdon Pilsbry & Vanatta, 1896 - syn of: Cerion microdon Pilsbry & Vanatta, 1896
indianorum, Cerion paucicostatum indianorum Clench
indianorum, Cerion indianorum Clench, 1934 - syn of: Cerion paucicostatum indianorum Clench, 1934
inexpecta, Strophiops inexpecta Maynard & Clapp, 1920
inexpectata, Mexistrophia inexpectata Thompson, 2011
infandulum, Cerion infandum infandulum Aguayo & Torre
infandum, Cerion infandum (Shuttleworth, 1858)
infandum infandulum, Cerion infandum infandulum Aguayo & Torre, 1951
inflata, Strophiops inflata (Maynard, 1889)
inornata, Strophiops inornata Maynard & Clapp, 1920 - syn of: Cerion glans Küster, 1844
inquita, Cerion inquita (Maynard & Clapp, 1920)
intentata, Strophiops intentata Maynard & Clapp, 1920
intercalaria, Strophiops intercalaria Maynard & Clapp, 1921
intermedia, Strophiops intermedia (Maynard, 1889)
iostomum, Cerion iostomum (Pfeiffer, 1854)
iostomum arangoi, Cerion iostomum arangoi Pilsbry & Vanatta, 1896 - syn of: Cerion arangoi (Pilsbry & Vanatta, 1896)
iostomum moreleti, Cerion iostomum moreleti Clench & Aguayo, 1951
irregulare, Cerion glans irregulare Plate
jaucoense, Cerion tenuilabris jaucoense Aguayo & Sánchez Roig
jaumei, Cerion peracutum jaumei Clench & Aguayo
jenneyi, Strophiops jenneyi Maynard & Clapp, 1921 - syn of: Cerion glans Küster, 1844
johnsoni, Cerion johnsoni Pilsbry & Vanatta, 1895
johnsoni marielinum, Cerion johnsoni marielinum Pilsbry, 1927 - syn of: Cerion marielinum Pilsbry, 1927
johnstoni, Cerion johnstoni Gonzalez Guillén, 2008 - syn of: Cerion johnsoni Pilsbry & Vanatta, 1895
josephi, Cerion josephi Clench & Aguayo, 1949
josephi portuspatris, Cerion josephi portuspatris Aguayo & Sánchez Roig, 1953
josephinae, Strophiops josephinae Clench, 1935
juliae, Strophiops juliae Clench, 1936
klineae, Cerion klineae Clench, 1961
knipensis, Cerion uva knipensis Baker
kralendijki, Cerion uva kralendijki Baker
kusteri, Cerion kusteri (Pfeiffer, 1854)
lacunorum, Strophiops inconspicuum lacunorum Dall
laeve, Cerion laeve Plate, 1907 - syn of: Cerion ornatula Maynard, 1913
laevigatum, Cerion laevigatum Maynard, 1889 - syn of: Strophiops levigata (Maynard, 1889)
larga, Strophiops larga Maynard, 1913
latisinus, Cerion latisinus Pilsbry & Black, 1930
latonia, Strophiops latonia Maynard & Clapp, 1921 - syn of: Cerion glans Küster, 1844
laureani, Cerion laureani Clench & Aguayo, 1951
lenticularia, Cerion lenticularia Maynard & Clapp, 1921
lentiginosa, Strophiops lentiginosa (Maynard, 1889)
lentiginosum, Strophiops lentiginosum Clench, 1934 - syn of: Strophiops lentiginosa (Maynard, 1889)
lepidum, Cerion vulneratum lepidum Clench & Aguayo
lerneri, Cerion eximium lerneri Clench
leucophera, Strophiops leucophera Maynard, 1925
leva, Strophiops leva Maynard & Clapp, 1921
levigata, Strophiops levigata (Maynard, 1889)
lewisi, Cerion lewisi Clench, 1961
liliorum, Cerion liliorum Clench, 1938
lineota, Strophiops lineota (Maynard, 1889)
litorea, Strophiops litorea Maynard & Clapp, 1921 - syn of: Cerion glans Küster, 1844
livida, Strophiops livida Maynard, 1924
lividium, Cerion lividium Maynard, 1924 - syn of: Strophiops livida Maynard, 1924
lobata, Strophiops lobata Maynard & Clapp, 1921 - syn of: Cerion glans Küster, 1844
longidens, Cerion longidens Pilsbry, 1902
longissimus, Cerion longissimus (Gmelin, 1791)
lucayanorum, Strophiops lucayanorum Clench, 1938
ludovice, Cerion ceiba ludovice Torre
ludovici, Cerion ceiba ludovici Torre
macrodon, Cerion macrodon Aguayo & Jaume, 1951
macularia, Strophiops macularia Maynard, 1913 - syn of: Cerion eximium Maynard, 1894
madama, Cerion madama Sánchez Roig, 1951
magister, Cerion mumia magister Pilsbry & Vanatta
magister, Cerion magister Pilsbry & Vanatta, 1896 - syn of: Cerion mumia magister Pilsbry & Vanatta, 1896
maisianum, Cerion maisianum Pilsbry, 1902
major, Cerion major Beck, 1837
malonei, Strophiops malonei Clench, 1952
manatiense, Cerion manatiense Aguayo & Jaume, 1951
manatiense saugeti, Cerion manatiense saugeti Aguayo & Jaume, 1951 - syn of: Cerion saugeti Aguayo & Jaume, 1951
mariae, Strophiops mariae Maynard & Clapp, 1920
marielinum, Cerion marielinum Pilsbry, 1927
marielinum, Cerion sculptum marielinum Torre
marielinum constrictum, Cerion marielinum constrictum Aguayo & Jaume, 1953
marielinum dominicanum, Cerion marielinum dominicanum Clench & Aguayo, 1951
mariguanense, Strophiops mariguanense Clench, 1933
maritimum, Cerion maritimum (Pfeiffer, 1839)
maritimum sublaevigatum, Cerion maritimum sublaevigatum Pfeiffer, 1895
marmorata polita, Strophia marmorata polita Maynard, 1896 - syn of: Strophiops polita Maynard, 1896
marmoratum, Cerion marmoratum Pfeiffer, 1847
marmorosa, Strophiops marmorosa Maynard & Clapp, 1920
martensi, Strophiops martensi (Weinland, 1862)
martensi cliffordi, Strophiops martensi cliffordi Clench, 1933
martinianus, Cerion martinianus Küster, 1844
maynardi, Cerion maynardi Dall, 1905 - syn of: Strophiops lentiginosa (Maynard, 1889)
maynardi, Cerion maynardi Pilsbry & Vanatta, 1895
mayoi, Strophiops mayoi Maynard & Clapp, 1921
mcleani, Strophiops mcleani Clench, 1952
media, Strophiops media Maynard, 1896
melanostoma, Cerion melanostoma Clench, 1934
microdon, Cerion microdon Pilsbry & Vanatta, 1896
microdon cardenense, Cerion microdon cardenense Aguayo & Sánchez Roig, 1953
microdon pygmaeum, Cerion microdon pygmaeum Pilsbry & Vanatta, 1896 - syn of: Cerion pygmaeum Pilsbry & Vanatta, 1896
microstomum, Cerion microstomum (Pfeiffer, 1854)
microstomum cardenese, Cerion microstomum cardenese Aguayo & Sánchez Roig, 1953
migratoria, Strophiops migratoria Maynard & Clapp, 1921
migueleti, Cerion migueleti Sánchez Roig, 1951
miguelinum, Cerion miguelinum Gonzalez Guillén, 2008
milleri, Cerion milleri (Pfeiffer, 1867)
minae, Cerion minae Torre & Bermúdez
minae enriquis, Cerion minae enriquis Torre & Bermúdez
minima, Strophiops minima Maynard, 1924
minor, Cerion minor Küster, 1847
minor, Brasilennea minor Trindade, 1956 † (FOSSIL)
minusculum, Cerion ceiba minusculum Aguayo & Torre
minuta, Strophiops palmata minuta Maynard & Clapp
miramarae, Cerion miramarae Sánchez Roig, 1951
mitra, Strophiops mitra Maynard & Clapp, 1920
mixta, Cerion mixta (Maynard & Clapp, 1921)
mobile, Strophiops mobile Maynard & Clapp, 1921
monaense, Cerion monaense Clench, 1951
montana, Strophiops montana Maynard, 1924
moralesi, Cerion torrei moralesi Clench & Aguayo
moreleti, Cerion iostomum moreleti Clench & Aguayo
mortuorium, Cerion mortuorium Torre, 1953
morula, Strophiops morula Maynard & Clapp, 1915
mossi, Cerion mossi Clench, 1952 - syn of: Cerion paucicostatum (Pilsbry, 1929)
mossi indianorum, Cerion mossi indianorum Clench, 1952 - syn of: Cerion paucicostatum indianorum Clench, 1934
multa, Strophiops multa Maynard, 1913
multicosta, Cerion multicosta (Küster, 1845)
multistriatum, Cerion multistriatum (Küster, 1845)
mumia, Cerion mumia (Bruguière, 1792)
mumia cabrerai, Cerion mumia cabrerai Aguayo & Sánchez Roig, 1953
mumia chrysalis, Cerion mumia chrysalis (Férussac, 1837)
mumia chrysalis bidens, Cerion mumia chrysalis bidens Beck, 1837
mumia cuspidatum, Cerion mumia cuspidatum Aguayo & Sánchez Roig, 1953
mumia fastigatum, Cerion mumia fastigatum (Maynard, 1896)
mumia gigantea, Cerion mumia gigantea Sánchez Roig, 1951
mumia hersheyi, Cerion mumia hersheyi Clench & Aguayo, 1940
mumia hondanum, Cerion mumia hondanum Pilsbry, 1902
mumia magister, Cerion mumia magister Pilsbry & Vanatta, 1896
mumia noriae, Cerion mumia noriae Aguayo & Sánchez Roig, 1953
mumia obliterata, Cerion mumia obliterata Maynard, 1896
mumia wrighti, Cerion mumia wrighti Aguayo & Sánchez Roig, 1953
mumiola, Cerion mumiola (Pfeiffer, 1839)
mumiola guillermi, Cerion mumiola guillermi Torre, 1954
muralia, Strophiops muralia Maynard & Clapp, 1921
muta, Strophiops muta Batchelder, 1951 - syn of: Strophiops mutata Maynard, 1894
mutata, Strophiops mutata Maynard, 1894
mutatoria, Strophiops mutatoria Maynard & Clapp, 1920
nana, Strophiops nana (Maynard, 1889)
natensoni, Cerion natensoni Gonzalez Guillén, 2008
navalis, Strophiops navalis Maynard & Clapp, 1920
nebula, Strophiops nebula Maynard & Clapp, 1920
neglecta, Strophiops neglecta Maynard, 1894
neglecta agava, Strophiops neglecta agava Maynard, 1913
nipense, Cerion nipense Aguayo, 1953
nitela, Strophiops nitela (Maynard, 1889)
niteloides, Cerion niteloides Dall, 1896
nivia, Strophiops nivia Maynard, 1913
nodali, Cerion disforme nodali Clench & Aguayo
noriae, Cerion mumia noriae Aguayo & Sánchez Roig
normale, Cerion normale Pilsbry & Black, 1930
normalis, Cerion normalis Beck, 1837
normanii, Strophiops normanii Maynard & Clapp, 1920 - syn of: Cerion eleutherae Pilsbry & Vanatta, 1896
northropi, Cerion northropi Dall, 1905 - syn of: Cerion pillsburyi Pilsbry & Vanatta, 1897
novita, Strophiops novita Maynard & Clapp, 1921
nuda, Strophiops nuda (Maynard, 1889)
oberholseri, Strophiops oberholseri Maynard, 1913
obesum, Cerion glans obesum Dall
obliterata, Cerion mumia obliterata Maynard
obliterata, Strophiops obliterata Maynard, 1913 - syn of: Strophiops sula Maynard & Clapp, 1915
obscura, Strophiops obscura Maynard, 1896
obsoleta, Mexistrophia obsoleta Thompson, 2011
obtusa, Strophiops obtusa Maynard & Clapp, 1921
orbicularia, Strophiops orbicularia (Maynard, 1889)
orientale, Cerion orientale Clench & Aguayo, 1951
ornatula, Cerion ornatula Maynard, 1913
ornatulaclappi, Cerion ornatulaclappi (Maynard, 1913)
ornatularufina, Strophiops ornatularufina Maynard, 1913
ornatum, Cerion torrei ornatum Pilsbry & Vanatta
ornatwn, Cerion torrei ornatwn Pilsbry & Vanatta
oscula, Strophiops oscula Maynard & Clapp, 1921
oweni, Cerion oweni Dall, 1905
oweni incisum, Cerion oweni incisum Dall, 1905
palida, Strophiops palida (Maynard, 1889)
palidula, Strophiops palidula Maynard & Clapp, 1921
palmata, Strophiops palmata Maynard & Clapp, 1919
palmata minuta, Strophiops palmata minuta Maynard & Clapp, 1920
palmeri, Strophiops palmeri Sánchez Roig, 1948
panda, Strophiops panda Maynard & Clapp, 1921
pandionis, Cerion vulneratum pandionis Aguayo & Jaume
pannosa, Strophiops pannosa (Maynard, 1889)
paredonis, Cerion paredonis Pilsbry, 1902
parva, Cerion parva Maynard, 1894
parvulum, Cerion gundlachi parvulum Aguayo & Jaume
pastelilloensis, Cerion pastelilloensis Sánchez Roig, 1951
paucicostatum, Cerion paucicostatum (Pilsbry, 1929)
paucicostatum harringtoni, Cerion paucicostatum harringtoni Aguayo & Sánchez Roig, 1953
paucicostatum indianorum, Cerion paucicostatum indianorum Clench, 1934
paucisculptum, Strophiops paucisculptum Clench & Aguayo, 1952
pauli, Cerion pauli Smith, 1943
pepperi, Strophiops pepperi Bartsch, 1913
peracutum, Cerion peracutum Clench & Aguayo, 1951
peracutum jaumei, Cerion peracutum jaumei Clench & Aguayo, 1953
percostatum, Cerion regina percostatum Pilsbry & Vanatta
periculosum, Strophiops periculosum Clench, 1934
perplexa, Strophiops perplexa (Maynard, 1889)
persuasa, Strophiops persuasa Maynard & Clapp, 1921
phoenecia, Strophiops phoenecia Maynard & Clapp, 1921
picta, Strophiops picta (Maynard, 1889)
picturata, Strophiops picturata Maynard & Clapp, 1921
pillsburyi, Cerion pillsburyi Pilsbry & Vanatta, 1897
pilsbryi, Strophiops pilsbryi Maynard, 1894
pilsbryi evolva, Strophiops pilsbryi evolva Maynard, 1894
pineria, Cerion pineria Dall, 1895
pineria hernandezi, Cerion pineria hernandezi Aguayo & Sánchez Roig, 1953
pinguis, Cerion pinguis (Humphrey, 1797)
piraticus, Cerion piraticus Clench, 1937
platei, Strophiops platei Clench, 1933
plebea, Strophiops plebea Maynard, 1920
plegmatum, Strophiops plegmatum Dall, 1905
poeyi, Cerion sanctacruzense poeyi Aguayo & Sánchez Roig
polita, Strophiops polita Maynard, 1896
politum maisianum, Cerion politum maisianum Pilsbry, 1902 - syn of: Cerion maisianum Pilsbry, 1902
porcina, Strophiops porcina Maynard & Clapp, 1921
portillonis, Cerion ramsdeni portillonis Torre
portillonis, Cerion portillonis Welch, 1934
portuspatris, Cerion josephi portuspatris Aguayo & Sánchez Roig
praedicta, Strophiops praedicta Maynard & Clapp, 1915
praedivina, Strophiops praedivina Maynard, 1913
praedivinauniversa, Strophiops praedivinauniversa Maynard, 1913 - syn of: Strophiops universa Maynard, 1913
prestoni, Cerion prestoni Sánchez Roig, 1951
pretiosus, Cerion pretiosus Sánchez Roig, 1951
primigenia, Strophiops primigenia Maynard, 1913
primordia, Strophiops primordia Maynard & Clapp, 1921
prisca, Strophiops prisca Maynard & Clapp, 1915
proavita, Strophiops proavita Maynard & Clapp, 1921
processum, Cerion processum (Maynard & Clapp, 1920)
procliva, Strophiops procliva Maynard & Clapp, 1921
profunda, Strophiops profunda Maynard & Clapp, 1921
prognata, Cerion prognata (Maynard & Clapp, 1920)
progressa, Strophiops progressa Maynard & Clapp, 1920
proteus, Cerion proteus Gundlach, 1860
pseudocyclostomum, Cerion pseudocyclostomum Aguayo & Sánchez Roig, 1953
pudicum, Cerion bryanti pudicum Pilsbry
pulla, Cerion pulla (Maynard & Clapp, 1920)
pumilia, Cerion pumilia (Maynard, 1894)
pupa, Cerion pupa Röding, 1798
pupilla, Strophiops variabile pupilla Dall
purpurea, Strophiops purpurea Maynard, 1913
pygmaeum, Cerion pygmaeum Pilsbry & Vanatta, 1896
ralla, Strophiops ralla Maynard & Clapp, 1921
ramsdeni, Cerion ramsdeni Torre, 1934
ramsdeni portillonis, Cerion ramsdeni portillonis Torre, 1934
ramsdeni turgidum, Cerion ramsdeni turgidum Torre & Welch, 1934 - syn of: Cerion turgidum Torre & Welch, 1934
recessa, Cerion recessa (Maynard & Clapp, 1919)
rediviva, Strophiops rediviva Maynard, 1913
regina, Strophiops regina Dall, 1905 - syn of: Cerion regina Pilsbry & Vanatta, 1895
regina, Cerion regina Pilsbry & Vanatta, 1895
regina brevispira, Cerion regina brevispira Pilsbry & Vanatta, 1895
regina comes, Cerion regina comes Pilsbry & Vanatta, 1895 - syn of: Cerion regina Pilsbry & Vanatta, 1895
regina eucosmium, Cerion regina eucosmium Pilsbry & Vanatta, 1895
regina percostatum, Cerion regina percostatum Pilsbry & Vanatta, 1895
regina swiftii, Cerion regina swiftii Pilsbry & Vanatta, 1895
regium, Cerion regium Benson, 1841
regula, Strophiops regula Maynard, 1894
rehderi, Strophiops rehderi Clench & Aguayo, 1952
reincarnata, Strophiops reincarnata Maynard & Clapp, 1921
reliqua, Cerion reliqua (Maynard & Clapp, 1921)
repetita, Strophiops repetita Maynard & Clapp, 1921
restricta, Strophiops restricta Maynard, 1894
reticulatum, Cerion reticulatum Dall, 1905
rhyssum, Strophiops rhyssum Dall, 1905
ricardi, Cerion ricardi Clench & Aguayo, 1951
ritchiei, Cerion ritchiei (Maynard, 1894)
ritchiei gigantea, Cerion ritchiei gigantea (Maynard, 1894)
ritchiei grayi, Cerion ritchiei grayi (Maynard, 1894)
ritchiei vannostrandi, Cerion ritchiei vannostrandi Pilsbry & Vanatta, 1896
robusta, Cerion robusta Maynard, 1894
rocai, Cerion tridentatum rocai Clench & Aguayo
rodrigoi, Cerion rodrigoi Gould, 1997
romanoensis, Cerion romanoensis Aguayo & Sánchez Roig, 1953
rosacea, Strophiops rosacea Maynard & Clapp, 1921
rosea, Strophiops rosea Maynard & Clapp, 1921 - syn of: Cerion agassizii Dall, 1894
royi, Cerion royi Aguayo & Jaume, 1951
rubicundum, Cerion rubicundum Menke, 1829
rubiginosa, Strophiops rubiginosa Maynard & Clapp, 1921
rubra, Cerion rubra (Humphrey, 1787)
rude, Cerion rude (Pfeiffer, 1855)
rufimaculata, Strophiops rufimaculata Maynard, 1913
rufina, Cerion rufina (Maynard, 1913)
rufolabris, Cerion rufolabris Beck, 1837
rufula, Strophiops rufula Maynard, 1924
russelli, Strophiops russelli Clench, 1938
saccharimeta, Cerion incanum saccharimeta Pilsbry & Vanatta
saetiae, Cerion saetiae Sánchez Roig, 1948
sagraianum, Cerion sagraianum (Pfeiffer, 1847)
sagraianum hologlyptum, Cerion sagraianum hologlyptum Pilsbry, 1902 - syn of: Cerion hologlyptum Pilsbry, 1902
sagraianum peracutum, Cerion sagraianum peracutum Clench & Aguayo, 1951 - syn of: Cerion peracutum Clench & Aguayo, 1951
sagraianum saguaense, Cerion sagraianum saguaense Aguayo & Sánchez Roig, 1953
saguaense, Cerion sagraianum saguaense Aguayo & Sánchez Roig
sainthilarius, Cerion sainthilarius Sánchez Roig, 1951
salinaria, Cerion salinaria (Maynard, 1913)
sallei, Cerion crassilabris sallei Pilsbry & Vanatta
salvatori, Cerion salvatori Torre, 1927
salvatori striatissimum, Cerion salvatori striatissimum Aguayo & Jaume, 1953
sama, Cerion sama Clench & Aguayo
sampsoni, Strophiops sampsoni Maynard & Clapp, 1920
sanchezi, Cerion sanchezi Clench & Aguayo, 1953
sanctacruzense, Cerion sanctacruzense Aguayo & Jaume, 1951
sanctacruzense poeyi, Cerion sanctacruzense poeyi Aguayo & Sánchez Roig, 1953
sanctamariae, Cerion sanctamariae Aguayo & Jaume, 1951
santesoni, Strophiops santesoni Maynard, 1920
sanzi, Cerion sanzi Blanes, 1898
sanzi guajabaense, Cerion sanzi guajabaense Sánchez Roig, 1951 - syn of: Cerion guajabaense Sánchez Roig, 1951
sanzi royi, Cerion sanzi royi Aguayo & Jaume, 1951 - syn of: Cerion royi Aguayo & Jaume, 1951
sanzi sellare, Cerion sanzi sellare Aguayo & Sánchez Roig, 1953
sanzi tejedori, Cerion sanzi tejedori Sánchez Roig, 1951
saona, Cerion yumaensis saona Vanatta
sarcostoma, Cerion sarcostoma Pilsbry & Vannata, 1896
saugeti, Cerion saugeti Aguayo & Jaume, 1951
saurodon, Strophiops saurodon Dall, 1905
saxitina, Strophiops saxitina Maynard & Clapp, 1921
scalarinoides, Strophiops scalarinoides Plate, 1907
scalarinum, Strophiops scalarinum (Gundlach, 1860)
scalarinum acuticostatum, Cerion scalarinum acuticostatum Sánchez Roig, 1948 - syn of: Cerion acuticostatum Sánchez Roig, 1948
scalarinum sueyrasi, Strophiops scalarinum sueyrasi Blanes, 1898
scopulorum, Cerion scopulorum Aguayo & Jaume, 1951
scripta, Strophiops scripta Maynard, 1896
sculptum, Cerion sculptum Poey, 1858
sculptum marielinum, Cerion sculptum marielinum Torre, 1927
scutata, Strophiops scutata Maynard & Clapp, 1921
sellare, Cerion sanzi sellare Aguayo & Sánchez Roig
semipolita, Cerion semipolita (Maynard & Clapp, 1920)
shrevei, Cerion shrevei Clench & Aguayo, 1952
similaria, Strophiops similaria Maynard & Clapp, 1921
sisal, Cerion sisal Clench & Aguayo, 1952
sladeni, Cerion sladeni Pilsbry & Black, 1930
smithi, Cerion crassiusculum smithi Blanes
smithii, Cerion smithii Pilsbry, 1902
sparsa, Strophiops sparsa Maynard, 1924
stevensoni, Cerion stevensoni (Dall, 1900)
striata, Cerion striata Schumacher, 1817
striatellum, Cerion striatellum Guérin-Méneville, 1829
striatissimum, Cerion salvatori striatissimum Aguayo & Jaume
strigis, Cerion herrerai strigis Aguayo & Sánchez Roig
stritela, Cerion stritela (Humphrey, 1797)
strobilus, Cerion strobilus Beck, 1837
stroutii, Strophiops stroutii Maynard & Clapp, 1920
stupida, Strophiops stupida Maynard & Clapp, 1921
subcostulatum, Cerion herrerai subcostulatum Aguayo & Sánchez Roig
subcylindrica, Cerion subcylindrica Beck, 1837
sublaevigatum, Cerion maritimum sublaevigatum Pfeiffer
submarmoratum, Cerion fordii submarmoratum Pilsbry & Vanatta
sueyrasi, Strophiops scalarinum sueyrasi Blanes
sueyrasi, Strophiops sueyrasi Pilsbry & Vanatta, 1899
sula, Strophiops sula Maynard & Clapp, 1915
swiftii, Cerion regina swiftii Pilsbry & Vanatta
sylvatica, Strophiops sylvatica Maynard & Clapp, 1921
tabida, Strophiops tabida Maynard, 1913
tanamensis, Cerion tanamensis Sánchez Roig, 1951
tantillum, Cerion gundlachi tantillum Aguayo & Jaume
tejedori, Cerion sanzi tejedori Sánchez Roig
tenucostata, Strophiops tenucostata Maynard & Clapp, 1920
tenui, Strophiops tenui Maynard & Clapp, 1915
tenuicallum, Cerion circumscriptum tenuicallum Aguayo & Sánchez Roig
tenuicostata, Strophiops tenuicostata Maynard & Clapp, 1920 - syn of: Strophiops tenucostata Maynard & Clapp, 1920
tenuilabre, Cerion tenuilabre Gundlach, 1870 - syn of: Cerion tenuilabris (Gundlach, 1870)
tenuilabre jaucoense, Cerion tenuilabre jaucoense Aguayo & Sánchez Roig, 1953 - syn of: Cerion tenuilabris jaucoense Aguayo & Sánchez Roig, 1953
tenuilabris, Cerion tenuilabris (Gundlach, 1870)
tenuilabris jaucoense, Cerion tenuilabris jaucoense Aguayo & Sánchez Roig, 1953
territa, Strophiops territa Maynard, 1920
thayeri, Strophiops thayeri Maynard & Clapp, 1921
thompsoni, Strophiops thompsoni Maynard & Clapp, 1915
thorndikei, Strophiops thorndikei Maynard, 1894
torrei, Cerion torrei Blanes, 1898
torrei humberti, Cerion torrei humberti Clench & Aguayo, 1949
torrei moralesi, Cerion torrei moralesi Clench & Aguayo, 1951
torrei ornatum, Cerion torrei ornatum Pilsbry & Vanatta, 1899
torrei ornatwn, Cerion torrei ornatwn Pilsbry & Vanatta, 1898
tortuga, Cerion tortuga Pilsbry & Vanatta, 1928
tracta, Strophiops tracta Maynard, 1894
transitoria, Strophiops transitoria Maynard, 1913
transmutata, Strophiops transmutata Maynard & Clapp, 1921
travellii, Strophiops travellii Maynard & Clapp, 1921
tridentatum, Cerion tridentatum Pilsbry & Vanatta, 1895
tridentatum costellatum, Cerion tridentatum costellatum Pilsbry, 1946
tridentatum rocai, Cerion tridentatum rocai Clench & Aguayo, 1953
tumidula, Cerion tumidula Deshayes, 1851
turgidum, Cerion turgidum Torre & Welch, 1934
turnerae, Strophiops turnerae Clench & Aguayo, 1952
ultima, Strophiops ultima Maynard, 1913
uniformis, Strophiops uniformis Maynard, 1913
universa, Strophiops universa Maynard, 1913
utowana, Cerion utowana Clench, 1933
utriculus, Cerion utriculus Menke, 1829
uva, Cerion uva (Linnaeus, 1758)
uva bonairensis, Cerion uva bonairensis Baker, 1914
uva desculptum, Cerion uva desculptum Pilsbry & Vanatta, 1896
uva hatoensis, Cerion uva hatoensis Baker, 1924
uva knipensis, Cerion uva knipensis Baker, 1914
uva kralendijki, Cerion uva kralendijki Baker, 1924
vaccinum, Cerion incanum vaccinum Pilsbry
vagabunda, Strophiops vagabunda Maynard & Clapp, 1925
valdesi, Cerion ceiba valdesi Torre
valida, Strophiops valida Maynard & Clapp, 1920
vallei, Cerion vulneratum vallei Aguayo & Jaume
vanattai, Cerion vanattai (Clench & Aguayo, 1951)
vannostrandi, Cerion ritchiei vannostrandi Pilsbry & Vanatta
variabile, Strophiops variabile Dall, 1905
variabile pupilla, Strophiops variabile pupilla Dall, 1905
variabile saurodon, Strophiops variabile saurodon Dall, 1905 - syn of: Strophiops saurodon Dall, 1905
varianivia, Strophiops varianivia Maynard, 1913
variapurpurea, Strophiops variapurpurea Maynard, 1913
variata, Strophiops variata Maynard & Clapp, 1919
variathorndikei, Strophiops variathorndikei Maynard, 1913
variegata, Cerion variegata Pfeiffer, 1868
varium, Cerion glans varium Bonnet
varius, Cerion varius (Bonnet, 1846)
ventricosior, Cerion ventricosior Beck, 1837
venustum, Cerion venustum (Poey, 1858)
vermiculum, Cerion vermiculum Dall, 1905
viaregis, Cerion viaregis Bartsch, 1920
victor, Cerion victor Torre, 1929
viola, Strophiops viola (Maynard, 1889)
vulgare, Cerion vulgare Röding, 1798 - syn of: Cerion uva (Linnaeus, 1758)
vulneratum, Cerion vulneratum (Küster, 1855)
vulneratum, Cerion vulneratum Gonzalez Guillén, 2008 - syn of: Cerion vulneratum (Küster, 1855)
vulneratum feriai, Cerion vulneratum feriai Clench & Aguayo, 1953
vulneratum lepidum, Cerion vulneratum lepidum Clench & Aguayo, 1951
vulneratum pandionis, Cerion vulneratum pandionis Aguayo & Jaume, 1951
vulneratum vallei, Cerion vulneratum vallei Aguayo & Jaume, 1951
watlingense, Cerion watlingense Dall, 1907
weinlandi, Cerion weinlandi Von Martens, 1860
wrighti, Cerion mumia wrighti Aguayo & Sánchez Roig
yumaensis, Cerion yumaensis Pilsbry & Vanatta, 1895
yumaensis saona, Cerion yumaensis saona Vanatta, 1924
zebra, Cerion zebra Sowerby, 1875
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