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achaja, Eupaludestrina achaja (Clessin, 1879)
achaja sorella, Eupaludestrina achaja sorella (Westerlund, 1879)
acicularis, Tryonia acicularis Nuttall, 1990 † (FOSSIL)
acicularis, Dyris acicularis Wesselingh, 2006 † (FOSSIL)
acilacustris, Semisalsa acilacustris Schütt, 1991 † (FOSSIL)
adamantina, Tryonia adamantina Taylor, 1987
adamsi, Heleobia adamsi (Preston, 1912)
aequicostata, Tryonia aequicostata (Pilsbry, 1889)
aequicostatus, Hyalopyrgus aequicostatus Pilsbry, 1889 - syn of: Tryonia aequicostata (Pilsbry, 1889)
alamosae, Tryonia alamosae Taylor, 1987
albolabris, Littoridina choapaensis albolabris Biese
alleei, Aroapyrgus alleei Morrison, 1946
allendae, Tryonia allendae Hershler, Liu & Landye, 2011
amazonicus, Dyris amazonicus (Haas, 1949)
andecola, Littoridina andecola (D'Orbigny, 1835)
andecola culminea, Littoridina andecola culminea (D'Orbigny, 1840)
andecola neveui, Littoridina andecola neveui (D'Orbigny, 1835)
andicola, Heleobia andicola (D'Orbigny, 1835)
angosturae, Tryonia angosturae Hershler, Liu & Landye, 2011
angulata, Tryonia angulata Hershler & Sada, 1987
angustiarum, Littoridina angustiarum (Preston, 1915)
apachensis, Littoridina apachensis Biese, 1947
aperta, Littoridina aperta (Hass, 1955)
aponensis, Eupaludestrina aponensis (Von Martens, 1858)
arenaria, Heleobia arenaria (Bourguignat, 1862)
ariei, Dyris ariei Wesselingh, 2006 † (FOSSIL)
asthenes, Aphaostracon asthenes Thompson, 1968
atacamensis, Littoridina atacamensis Philippi
australis, Heleobia australis (D'Orbigny, 1837)
australis, Cochliopina australis Morrison, 1946
australis crassa, Littoridina australis crassa Gaillard, 1974 - syn of: Heleobia australis (D'Orbigny, 1837)
australis nana, Littoridina australis nana Marcus & Marcus, 1963 - syn of: Heleobia australis (D'Orbigny, 1837)
bakeria, Tryonia bakeria Pilsbry, 1891 - syn of: Tepalcatia bakeri (Pilsbry, 1891)
balnearis, Minckleyella balnearis Hershler, Liu & Landye, 2011
bartonensis, Stygopyrgus bartonensis Hershler & Longley, 1986
bella, Sioliella bella (Conrad, 1871) † (FOSSIL)
berryi, Littoridina berryi (Pilsbry, 1924)
bertoniana, Littoridina bertoniana Pilsbry, 1911
bicarinatus, Dyris bicarinatus Etheridge, 1879 † (FOSSIL)
bicarinatus sofiaensis, Dyris bicarinatus sofiaensis Wesselingh, 2006
bigugliana, Eupaludestrina bigugliana (Caziot, 1908)
bisiphonata, Sioliella bisiphonata Wesselingh, 2006 † (FOSSIL)
bispiralis, Onobops bispiralis Wesselingh, 2006 † (FOSSIL)
bisulcatus, Onobops bisulcatus Wesselingh, 2006 † (FOSSIL)
bourguyi, Cochliopina bourguyi (Roxo, 1924) † (FOSSIL)
brevissima, Tryonia brevissima Pilsbry, 1890
breweri, Antrobia breweri (Hershler & Thompson, 1990)
brunei, Tryonia brunei Taylor, 1987
bruninensi, Littoridina bruninensi Biese, 1944
bucheti, Heleobia bucheti Mabille, 0 - syn of: Semisalsa stagnorum (Gmelin, 1791)
canariensis, Eupaludestrina canariensis (Mousson, 1872)
capellinii, Semisalsa stagnorum capellinii Gillet (FOSSIL)
caramba, Paludiscala caramba Taylor, 1966
carcotensis, Heleobia carcotensis Collado, Valladares & Méndez, 2016
carinata, Sioliella carinata Wesselingh, 2006 † (FOSSIL)
carinatum, Toxosoma carinatum Wesselingh, 2006 † (FOSSIL)
carinatus, Dyris carinatus Wesselingh, 2006 † (FOSSIL)
carranzae, Mexipyrgus carranzae Taylor, 1966
carrikeri, Heleobops carrikeri Davis & McKee, 1989
castellanosae, Heleobia castellanosae Gaillard, 1974
catellanosae, Heleobia catellanosae Gaillard, 1974 - syn of: Heleobia castellanosae Gaillard, 1974
chagresensis, Aroapyrgus chagresensis Morrison, 1946
chalarogyrus, Aphaostracon chalarogyrus Thompson, 1968
charruana, Heleobia charruana (D'Orbigny, 1843)
charruana, Littoridina charruana D'Orbigny, 1843 - syn of: Heleobia charruana (D'Orbigny, 1843)
cheatumi, Tryonia cheatumi Pilsbry, 1935
chefinesnoel, Aroapyrgus chefinesnoel Rolán, 2010
chihuahua, Cochliopa chihuahua Pilsbry, 1928 - syn of: Pyrgulopsis chihuahua (Pilsbry, 1928)
chimbaensis, Littoridina chimbaensis Biese, 1944
choapaensis, Littoridina choapaensis Biese, 1944
choapaensis albolabris, Littoridina choapaensis albolabris Biese, 1944
churinceanus, Mexipyrgus churinceanus Taylor, 1966 - syn of: Mexipyrgus carranzae Taylor, 1966
chuviscarae, Tryonia chuviscarae Hershler, Liu & Landye, 2011
cingulifera, Tryonia cingulifera (Adams, 1860)
circumstriata, Tryonia circumstriata Leonard & Ho, 1960
cisterninus, Pyrgophorus cisterninus (Küster, 1852)
cisterninus, Aroapyrgus cisterninus (Walker, 1919)
clathrata, Tryonia clathrata Stimpson, 1865
clenchi, Aroapyrgus clenchi (Goodrich & Van Der Schalie, 1937)
coahuilae, Juturnia coahuilae (Taylor, 1966)
colabrensis, Subcochliopa colabrensis Morrison, 1946
colombiana, Cochliopina colombiana Nuttall, 1990 † (FOSSIL)
colombiensis, Aroapyrgus colombiensis Malek & Little, 1971
communis, Onobops communis Wesselingh, 2006 † (FOSSIL)
compacta, Cochliopina compacta (Pilsbry, 1910)
compacta, Littoridina compacta Biese, 1944
conchenensis, Aroapyrgus conchenensis Walker, 1919 - syn of: Aroapyrgus conchensensis (Walker, 1919)
conchensensis, Aroapyrgus conchensensis (Walker, 1919)
conexa, Heleobia conexa (Gaillard, 1974)
conica, Tropidebora conica Wesselingh, 2006 † (FOSSIL)
conica, Littoridina conica Wesselingh, 2006 † (FOSSIL)
conoideus, Pyrgophorus conoideus (Ancey, 1888)
contempta, Semisalsa contempta (Dautzenberg, 1894)
contempta, Heleobia contempta (Dautzenberg, 1894) - syn of: Semisalsa contempta (Dautzenberg, 1894)
contortum, Toxosoma contortum Wesselingh, 2006 † (FOSSIL)
contrerasi, Tryonia contrerasi Hershler, Liu & Landye, 2011
convexa, Cochliopina convexa Wesselingh, 2006 † (FOSSIL)
copiapoensis, Littoridina copiapoensis Biese, 1944
coquimbensis, Littoridina coquimbensis Biese, 1944
coronatus, Pyrgophorus coronatus (Pfeiffer, 1840)
costaricensis, Aroapyrgus costaricensis (Mörch, 1860)
coutagnei, Thalassobia coutagnei (Bourguignat, 1881)
crassa, Littoridina crassa Etheridge, 1879 † (FOSSIL)
crassilabra, Sioliella crassilabra (Conrad, 1871) † (FOSSIL)
crassilabrum, Chorrobius crassilabrum Hershler, Liu & Landye, 2011
crassus, Onobops crassus (Thompson, 1968)
crawfordi, Limnothauma crawfordi Haas, 1955
crosseana, Littoridina crosseana (Pilsbry, 1910)
culminea, Littoridina andecola culminea D'Orbigny
culminea, Heleobia culminea D'Orbigny, 1840 - syn of: Littoridina andecola culminea (D'Orbigny, 1840)
culveri, Antrobia culveri Hubricht, 1971
cumingii, Littoridina cumingii (D'Orbigny, 1895)
curtum, Longosoma curtum (Conrad, 1874) † (FOSSIL)
cuzcoensis, Heleobia cuzcoensis (Pilsbry, 1911)
dalmatica, Heleobia dalmatica Radoman, 1974 - syn of: Semisalsa stagnorum (Gmelin, 1791)
davisi, Littoridina davisi (Silva & Thomé, 1985)
denticulatum, Toxosoma denticulatum Wesselingh, 2006 † (FOSSIL)
denticulatus, Dyris denticulatus Wesselingh, 2006 † (FOSSIL)
deserticola, Heleobia deserticola Collado, 2015
diaboli, Tryonia diaboli Pilsbry & Ferriss, 1906
diazensis, Cochliopa diazensis Morrison, 1946
dobrogica, Eupaludestrina dobrogica (Grossu & Negrea, 1989)
docimus, Heleobops docimus (Thompson, 1968)
dorialis, Tryonia dorialis (Adams, 1863)
dugesiana, Tryonia dugesiana (Morrison, 1945)
dulcensis, Cochliopina dulcensis (Marshall, 1920)
eboreum, Toxosoma eboreum Conrad, 1874 † (FOSSIL)
eburnea, Heleobia eburnea (Nordsieck, 1968)
effusa, Sioliella effusa Haas, 1949
elata, Tryonia elata Hershler & Sada, 1987
elongata, Littoridina elongata Wesselingh, 2006 † (FOSSIL)
elongatus, Dyris elongatus Wesselingh, 2006 † (FOSSIL)
elongoides, Onobops elongoides Wesselingh, 2006 † (FOSSIL)
erectus, Onobops erectus Wesselingh, 2006 † (FOSSIL)
ericae, Tryonia ericae Hershler & Sada, 1987
ernesti, Pyrgophorus ernesti (Von Martens, 1873)
escobedae, Mexipyrgus escobedae Taylor, 1966 - syn of: Mexipyrgus carranzae Taylor, 1966
exigua, Tryonia exigua Morelet, 1851 - syn of: Pyrgophorus exiguus (Morelet, 1851)
exiguus, Pyrgophorus exiguus (Morelet, 1851)
extremis, Cochliopina extremis Morrison, 1946
fagundesi, Lyrodes fagundesi (Haas, 1938)
faminensis, Littoridina faminensis (Preston, 1915)
feliconcha, Feliconcha feliconcha Wesselingh, 2006 † (FOSSIL)
florezii, Heleobia florezii (Weyrauch, 1963)
forsteri, Littoridina forsteri Blume, 1957
foxianensis, Eupaludestrina foxianensis (De Stefani, 1883)
francesae, Cochliopina francesae (Goodrich & Van Der Schalie, 1937)
fratercula, Cochliopina fratercula Morrison, 1946
frenata, Zetekina frenata (Pilsbry, 1935)
fusiforme, Longosoma fusiforme Wesselingh, 2006 † (FOSSIL)
fusiformis, Sioliella fusiformis Wesselingh, 2006 † (FOSSIL)
gaudichaudii, Littoridina gaudichaudii Souleyet, 1852
gilae, Tryonia gilae Taylor, 1987
glabra, Glabertryonia glabra Wesselingh, 2006 † (FOSSIL)
glabrum, Longosoma glabrum Wesselingh, 2006 † (FOSSIL)
globosum, Toxosoma globosum Wesselingh, 2006 † (FOSSIL)
gracile, Strombopoma gracile Hass, 1955
gracilis, Littoridina gracilis Biese, 1944
gracilis, Dyris gracilis Conrad, 1871 † (FOSSIL)
graeca, Heleobia graeca Radoman, 1974 - syn of: Semisalsa stagnorum (Gmelin, 1791)
grande, Toxosoma grande Wesselingh, 2006 † (FOSSIL)
grevei, Sioliella grevei Kadolsky, 1980 † (FOSSIL)
guaranitica, Heleobia guaranitica (Doering, 1884)
guatemalensis, Aroapyrgus guatemalensis (Fischer & Crosse, 1891)
guatemalensis, Cochliopina guatemalensis (Morelet, 1851)
guerreroi, Dyris guerreroi Wesselingh, 2006 † (FOSSIL)
hatcheri, Littoridina hatcheri Pilsbry, 1911 - syn of: Strobelitatea hatcheri (Pilsbry, 1911)
hatcheri, Heleobia hatcheri Pilsbry, 1911 - syn of: Strobelitatea hatcheri (Pilsbry, 1911)
hauxwelli, Cochliopina hauxwelli Nuttall, 1990 † (FOSSIL)
hauxwelli, Dyris hauxwelli Nuttall, 1990 † (FOSSIL)
hernandezae, Heleobia hernandezae (Weyrauch, 1963)
herschleri, Tryonia herschleri Czaja & Estrada-Rodriguez, 2015
hershleri, Dyris hershleri Wesselingh, 2006 † (FOSSIL)
hertleini, Tryonia hertleini (Drake, 1956)
hinkleyi, Cochliopina hinkleyi (Pilsbry, 1920)
hinkleyi, Aroapyrgus hinkleyi (Walker, 1919)
hippopedion, Clarenciella hippopedion Beu & Marshall, 2014 † (FOSSIL)
hoornae, Dyris hoornae Wesselingh, 2006 † (FOSSIL)
hubbsi, Coahuilix hubbsi Taylor, 1966
huberti, Dyris huberti Wesselingh, 2006 † (FOSSIL)
hydrobioides, Pyrgophorus hydrobioides (Ancey, 1888)
hypohyalinus, Aphaostracon hypohyalinus Thompson, 1968
imitator, Tryonia imitator (Pilsbry, 1899)
inconspicua, Littoridina inconspicua Haas, 1938
infernalis, Tryonia infernalis Hershler, Liu & Simpson, 2015
infundibulum, Cochliopina infundibulum (Von Martens, 1899)
iquitensis, Onobops iquitensis Wesselingh, 2006 † (FOSSIL)
isabelleana, Littoridina isabelleana D'Orbigny - syn of: Heleobia isabelleana D'Orbigny
isabelleana, Heleobia isabelleana D'Orbigny
izabal, Cochliopina izabal (Pilsbry, 1920)
izabal perstriata, Cochliopa izabal perstriata Pilsbry, 1920 - syn of: Cochliopina izabal (Pilsbry, 1920)
jacksoni, Onobops jacksoni (Bartsch, 1953)
joseana, Cochliopa joseana Morrison, 1946
julimesensis, Tryonia julimesensis Hershler, Liu & Landye, 2011
juradoi, Cochliopina juradoi Morrison, 1946
kadolskyi, Sioliella kadolskyi Wesselingh, 2006 † (FOSSIL)
kompi, Zetekina kompi (Morrison, 1946)
kosteri, Tryonia kosteri Taylor, 1987
kuesteri, Heleobia kuesteri (Ströbel, 1874)
lacustris, Littoridina lacustris (Hass, 1955)
lanceolatus, Dyris lanceolatus Wesselingh, 2006 † (FOSSIL)
landyei, Coahuilix landyei Hershler, 1985
languiensis, Heleobia languiensis (Hass, 1955)
laqueata, Tryonia laqueata Conrad, 1871 † (FOSSIL)
lataguensis, Dyris lataguensis Wesselingh, 2006 † (FOSSIL)
latus, Lyrodes latus (Haas, 1949)
limariensis, Littoridina limariensis Biese, 1944
limosa, Littoridina limosa (Preston, 1915)
lintea, Dyris lintea Conrad, 1871 † (FOSSIL)
lioneli, Littoridina lioneli (Preston, 1915)
littoridinaeformis, Sioliella littoridinaeformis Wesselingh, 2006 † (FOSSIL)
loaensis, Littoridina loaensis Biese, 1947
longa, Emmericiella longa (Pilsbry, 1909)
longiscata, Semisalsa longiscata (Bourguignat, 1856)
lubrica, Cochliopa lubrica Müller, 1774 - syn of: Cochlicopa lubrica (Müller, 1774)
lugoi, Mexipyrgus lugoi Taylor, 1966 - syn of: Mexipyrgus carranzae Taylor, 1966
mabillei, Heleobia mabillei Bourguignat, 0 - syn of: Semisalsa stagnorum (Gmelin, 1791)
macei, Eupaludestrina macei (Paladilhe, 1867)
magallanica, Littoridina magallanica Biese, 1947
magnum, Rhamphopoma magnum Haas, 1955
magnun, Ramphopoma magnun Hass, 1955
maltzani, Eupaludestrina maltzani (Westerlund, 1886)
manni, Littoridina manni Baker, 1913
margae, Tryonia margae Hershler, 1989
mariae, Tryonia mariae (Morrison, 1945)
martensi, Zetekina martensi (Pilsbry, 1935)
mattii, Dyris mattii Wesselingh, 2006 † (FOSSIL)
megacarinatus, Dyris megacarinatus Wesselingh, 2006 † (FOSSIL)
melanioides, Zetekina melanioides (Von Martens, 1899)
metcalfi, Tryonia metcalfi Hershler, Liu & Landye, 2011
mexicanus, Aroapyrgus mexicanus (Pilsbry, 1910)
miaulis, Littoridina miaulis Marcus & Marcus, 1965
microbispiralis, Dyris microbispiralis Wesselingh, 2006 † (FOSSIL)
microcona, Littoridina microcona Thompson & Hershler, 1991
microconvexus, Onobops microconvexus Wesselingh, 2006 † (FOSSIL)
microturritella, Dyris microturritella Wesselingh, 2006 † (FOSSIL)
milleri, Cochliopina milleri Taylor, 1966
minckleyi, Tryonia minckleyi Hershler, Liu & Landye, 2011
minissimus, Onobops minissimus Wesselingh, 2006 † (FOSSIL)
minor, Cochliopina minor (Pilsbry, 1920)
minuscula, Tryonia minuscula Gabb, 1869 † (FOSSIL)
mirum, Ecpomastrum mirum Haas, 1957
moitessieri, Thalassobia moitessieri (Bourguignat, 1876)
mojarralis, Mexipyrgus mojarralis Taylor, 1966 - syn of: Mexipyrgus carranzae Taylor, 1966
molinae, Tryonia molinae Hershler, Liu & Landye, 2011
monas, Aphaostracon monas (Pilsbry, 1899)
monitorae, Tryonia monitorae Hershler, 1999
montana, Heleobia montana (Doering, 1884)
multicarinatum, Toxosoma multicarinatum Wesselingh, 2006 † (FOSSIL)
multilineatus, Mexipyrgus multilineatus Taylor, 1966 - syn of: Mexipyrgus carranzae Taylor, 1966
nana, Littoridina nana Marcus & Marcus, 1963
navalis, Cochliopina navalis Morrison, 1946
neveui, Heleobia neveui (Bavay, 1904)
neveui, Littoridina andecola neveui D'Orbigny
novimundi, Emmericiella novimundi (Pilsbry, 1909)
nuttalli, Tryonia nuttalli Wesselingh, 2006 † (FOSSIL)
oasiensis, Tryonia oasiensis Hershler, Liu & Landye, 2011
oblonga, Littoridina oblonga Biese, 1944
obtusa, Littoridina obtusa Biese, 1944
occidentalis, Heleobia occidentalis (Doering, 1884)
opachensis, Littoridina opachensis Biese, 1948
orcutti, Littoridina orcutti (Pilsbry, 1928)
orizabensis, Aroapyrgus orizabensis (Crosse & Fischer, 1891)
ortoni, Dyris ortoni (Gabb, 1869) † (FOSSIL)
ortoni, Strombopoma ortoni (Pilsbry, 1924)
ortoni schindleri, Strombopoma ortoni schindleri Blume, 1958
ovata, Tryonia ovata Hershler, Liu & Landye, 2011 - syn of: Lithoglyphopsis ovata (Hershler, Liu & Landye, 2011)
ovata, Sioliella ovata Wesselingh, 2000 † (FOSSIL)
ovatum, Toxosoma ovatum Wesselingh, 2006 † (FOSSIL)
pachispira, Littoridina pachispira Biese, 1944
pachynotus, Aphaostracon pachynotus Thompson, 1968
panamensis, Zetekina panamensis (Bartsch, 1920)
panamensis, Aroapyrgus panamensis (Tryon, 1863)
panzosensis, Aroapyrgus panzosensis (Walker, 1919)
parchappei, Littoridina parchappei (D'Orbigny, 1835)
parchappii, Heleobia parchappii (D'Orbigny, 1835)
parvulus, Pyrgophorus parvulus (Guilding, 1828)
parvum, Rhamphopoma parvum Haas, 1955
pasionensis, Aroapyrgus pasionensis (Goodrich & Van Der Schalie, 1937)
patagonica, Littoridina patagonica (D'Orbigny, 1835)
patzcuarensis, Tryonia patzcuarensis Pilsbry, 1891 - syn of: Pyrgulopsis patzcuarensis (Pilsbry, 1891)
pebasana, Littoridina pebasana Conrad, 1874 † (FOSSIL)
pebasensis, Dyris pebasensis Wesselingh, 2006 † (FOSSIL)
pedrina, Littoridina pedrina Miller, 1879
peiranoi, Heleobia peiranoi (Weyrauch, 1963)
perclathrata, Tryonia perclathrata Sakurai, 1983
peregrina, Tryonia peregrina Hershler, Liu & Landye, 2011
perforata, Cochliopa perforata Thompson & Hershler, 1991
petenensis, Aroapyrgus petenensis (Morelet, 1851)
peteningensis, Lyrodes peteningensis (Gould, 1852)
picium, Heleobia picium (D'Orbigny)
picium subgraduata, Heleobia picium subgraduata (Hass, 1952)
picium subgraduata, Littoridina picium subgraduata Weyrauch, 1963 - syn of: Heleobia picium subgraduata (Hass, 1952)
picta, Cochliopina picta (Pilsbry, 1910)
pilsbryi, Tryonia pilsbryi (Morrison, 1945)
piscium, Littoridina piscium (D'Orbigny, 1835)
platyrachis, Pyrgophorus platyrachis Thompson, 1968
polius, Aroapyrgus polius Thompson & Hershler, 1991 - syn of: Tepalcatia polia (Thompson & Hershler, 1991)
porrecta, Tryonia porrecta (Mighels, 1845)
profunda, Littoridina profunda (Hass, 1955)
protea, Tryonia protea (Gould, 1855)
pseudocircumstriata, Tryonia pseudocircumstriata Czaja & Estrada-Rodriguez, 2015
pueloensis, Littoridina pueloensis Biese, 1944
pulchella, Tryonia pulchella (Adams, 1860)
pusilla, Littoridina pusilla Haas, 1949
putialis, Pyrgophorus putialis (Baker, 1930)
pycnus, Aphaostracon pycnus Thompson, 1968
pyramidalis, Heleobia pyramidalis Bourguignat, 0 - syn of: Semisalsa stagnorum (Gmelin, 1791)
quadripaludium, Mexithauma quadripaludium Taylor, 1966
quitobaquitae, Tryonia quitobaquitae Hershler, 1988
rausiana, Heleobia rausiana Radoman, 1974 - syn of: Semisalsa stagnorum (Gmelin, 1791)
recta, Heleobia recta Mousson, 0 - syn of: Semisalsa stagnorum (Gmelin, 1791)
regularis, Dyris regularis Wesselingh, 2006 † (FOSSIL)
renemai, Dyris renemai Wesselingh, 2006 † (FOSSIL)
reticulata, Feliconcha reticulata Wesselingh, 2006 † (FOSSIL)
rhadinus, Aphaostracon rhadinus Thompson, 1968
rhegoides, Aroapyrgus rhegoides (Morelet, 1851)
riograndensis, Cochliopina riograndensis (Pilsbry & Ferriss, 1906)
rionegrina, Heleobia rionegrina (Gaillard, 1974)
robusta, Heleobia robusta Da Silva & Veitenheimer-Mendes, 2004
robusta, Tryonia robusta Hershler, 1989
romeroi, Dyris romeroi Wesselingh, 2006 † (FOSSIL)
rowelli, Cochliopa rowelli (Tryon, 1863)
rowlandsi, Tryonia rowlandsi Hershler, 1989
salina, Tryonia salina Hershler, 1989
salinesi, Heleobia salinesi Calcara & Aradas, 0 - syn of: Semisalsa stagnorum (Gmelin, 1791)
saloi, Sioliella saloi Wesselingh, 2006 † (FOSSIL)
salsa, Spurwinkia salsa (Pilsbry, 1905)
santiagensis, Littoridina santiagensis Biese, 1944
santiaguensis, Littoridina santiaguensis Biese, 1944
saracocheae, Heleobia saracocheae (Hass, 1955)
scalarioides, Tryonia scalarioides Etheridge, 1879 † (FOSSIL)
scalarioides tuberculata, Tryonia scalarioides tuberculata Greve, 1938
scamandri, Heleobia scamandri Boeters, Monod & Vala, 1977 - syn of: Semisalsa stagnorum (Gmelin, 1791)
schindleri, Strombopoma ortoni schindleri Blume
scottii, Heleobia scottii (Pilsbry, 1911)
seemani, Tryonia seemani (Frauenfeld, 1863)
semituberculata, Tryonia semituberculata Nuttall, 1990 † (FOSSIL)
similis, Heleobia similis (Weyrauch, 1963)
simplex, Littoridina simplex Pilsbry, 1911
simplex, Tropidebora simplex Wesselingh, 2006 † (FOSSIL)
siolii, Littoridina siolii (Haas, 1949)
sofiaensis, Dyris bicarinatus sofiaensis Wesselingh
sorella, Eupaludestrina achaja sorella Westerlund
sphinctostoma, Littoridina sphinctostoma Abbott & Ladd, 1951 - syn of: Texadina sphinctostoma (Abbott & Ladd, 1951)
spinellii, Eupaludestrina spinellii (Gredler, 1859)
spinosus, Pyrgophorus spinosus (Call & Pilsbry, 1886)
spiralis, Antroselates spiralis Hubricht, 1963
stagnalis, Heleobia stagnalis Linnaeus, 1767 - syn of: Semisalsa stagnorum (Gmelin, 1791)
stagnorum, Semisalsa stagnorum (Gmelin, 1791)
stagnorum capellinii, Semisalsa stagnorum capellinii (Gillet, 1963) † (FOSSIL)
steindachneri, Eupaludestrina steindachneri (Westerlund, 1902)
stiphra, Littoridina stiphra (Hass, 1955)
stocktonensis, Tryonia stocktonensis Taylor, 1987
stolli, Aroapyrgus stolli (Von Martens, 1901)
streletzkiensis, Eupaludestrina streletzkiensis (Chukchin, 1975)
striata, Littoridina striata Biese, 1944
subangulatus, Aroapyrgus subangulatus (Von Martens, 1899)
subgradatus, Lyrodes subgradatus (Haas, 1952)
subgraduata, Heleobia picium subgraduata Hass
sublineata, Heleobia sublineata (Pilsbry, 1911)
taylori, Tryonia taylori Hershler, Liu & Landye, 2011
tenuipes, Littoridina tenuipes Carpenter
tenuis, Zetekina tenuis (Von Martens, 1899)
tertiana, Tropidebora tertiana (Conrad, 1874) † (FOSSIL)
texana, Cochliopa texana Pilsbry, 1935
theiocrenetus, Aphaostracon theiocrenetus Thompson, 1968
thermalis, Heleobia thermalis Frauenfeld, 1853 - syn of: Semisalsa stagnorum (Gmelin, 1791)
thompsoni, Pyrgophorus thompsoni Wesselingh, 2006 † (FOSSIL)
tornata, Tryonia tornata (Adams, 1863)
transitoria, Littoridina transitoria Biese, 1947
tricarinata, Tryonia tricarinata (Böttger, 1871)
tricarinatus, Dyris tricarinatus Boettger, 1878 † (FOSSIL)
tritonum, Eupaludestrina tritonum (Bourguignat, 1852)
trochulus, Subcochliopa trochulus (Von Martens, 1899)
trochus, Subcochliopa trochus Morrison, 1946
tryoni, Aroapyrgus tryoni (Pilsbry, 1904)
tryoniana, Cochliopina tryoniana (Pilsbry, 1890)
tuberculata, Tryonia scalarioides tuberculata Greve
tucumana, Heleobia tucumana (Gaillard, 1974)
tularosae, Juturnia tularosae Hershler, Liu & Stockwell, 2002
umbilicata, Sioliella umbilicata Wesselingh, 2006 † (FOSSIL)
umbilicatum, Heligmopoma umbilicatum Haas, 1955
uruguayana, Heleobia uruguayana (Pilsbry, 1924)
uvaldensis, Balconorbis uvaldensis Hershler & Longley, 1986
variegata, Tryonia variegata Hershler & Sada, 1987
ventricosus, Onobops ventricosus Wesselingh, 2006 † (FOSSIL)
veraguasensis, Zetekina veraguasensis (Morrison, 1946)
vestita, Heleobia vestita (Hass, 1955)
vianai, Heleobia vianai (Parodíz, 1960)
vivens, Aroapyrgus vivens (Baker, 1930)
vulcani, Pyrgophorus vulcani (Von Martens, 1901)
wetmorei, Cochliopina wetmorei Morrison, 1946
woodwardi, Sioliella woodwardi Kadolsky, 1980 † (FOSSIL)
xynoelictum, Aphaostracon xynoelictum Thompson, 1968
zaragozae, Tryonia zaragozae Hershler, Liu & Landye, 2011
zeteki, Cochliopina zeteki Morrison, 1946
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