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acuta, Elimia acuta (Rafinesque, 1831)
acuta clavula, Elimia acuta clavula Lea, 1868
acuta hinkleyi, Elimia acuta hinkleyi Goodrich, 1921
acuta lewisi, Elimia acuta lewisi Lea, 1862
acutifilosa, Goniobasis acutifilosa Stearns, 1890 - syn of: Calibasis acutifilosa (Stearns, 1890)
acutocarinata, Elimia clavaeformis acutocarinata Lea
adusta, Goniobasis adusta (Lea, 1831)
aequalis, Goniobasis aequalis (Haldeman, 1841)
afra, Holandriana holandrii afra Rossmässler
afra, Melanella afra Schröckinger, 1865 - syn of: Holandriana holandrii afra (Rossmässler, 1837)
afra zonata, Holandriana afra zonata Bourguignat, 1884 - syn of: Holandriana holandrii laevigata (Rossmässler, 1839)
afra zonata, Melanella afra zonata Bourguignat, 1884 - syn of: Holandriana holandrii laevigata (Rossmässler, 1839)
agnata, Holandriana holandrii agnata Pfeiffer
alabamense, Pleurocera canaliculata alabamense Lea
alabamensis, Elimia alabamensis Lea, 1861
albanyensis, Elimia boykiniana albanyensis Lea
aldrichi, Anculosa aldrichi Smith, 1922
alveare, Pleurocera alveare Conrad, 1834
amblya, Holandriana amblya (Bourguignat, 1884)
amblya, Melanella amblya Bourguignat, 1884 - syn of: Holandriana amblya (Bourguignat, 1884)
amoena, Goniobasis amoena Lea, 1862
ampla, Leptoxis ampla Anthony, 1854
angulata, Goniobasis angulata (Anthony, 1854)
annae, Elimia annae Mihalcik & Thompson, 2002
annettae, Elimia annettae Goodrich, 1941
annulifera, Pleurocera annulifera Conrad, 1834
anthonyi, Lithasia anthonyi (Redfield, 1854)
anthonyii, Eurycaelon anthonyii Redfield, 1854 - syn of: Lithasia anthonyi (Redfield, 1854)
apaca, Goniobasis apaca Unknown
arachnoidea, Goniobasis arachnoidea Anthony, 1854 - syn of: Goniobasis arachnoides (Anthony, 1854)
arachnoides, Goniobasis arachnoides (Anthony, 1854)
arachnoides spinella, Goniobasis arachnoides spinella Lea, 1862
arkansensis, Anculosa arkansensis Hinkley, 1915
armigera, Lithasia armigera (Say, 1821)
aterina, Goniobasis aterina Lea, 1863 - syn of: Goniobasis simplex (Say, 1825)
athearni, Goniobasis athearni Clench & Turner, 1956
attenuata, Pleurocera attenuata Lea
attenuata, Goniobasis attenuata Sowerby, 1836 † (FOSSIL)
babylonicum, Gyrotoma babylonicum Lea, 1845
bairdiana, Goniobasis bairdiana Lea, 1862
bellacrenata, Anculosa bellacrenata Haldeman, 1841
bellula, Elimia bellula (Lea, 1861)
bentoniensis, Anculosa bentoniensis Lea, 1862
berlani, Holandriana berlani (Bourguignat, 1884)
berlani, Melanella berlani Bourguignat, 1884 - syn of: Holandriana berlani (Bourguignat, 1884)
bourguignati, Holandriana bourguignati (Letourneux, 1879)
bourguignati, Holandriana bourguignati Bourguignat, 1884 - syn of: Holandriana bourguignati (Letourneux, 1879)
bourguignati, Melanella bourguignati Bourguignat, 1884 - syn of: Holandriana bourguignati (Letourneux, 1879)
boykiniana, Elimia boykiniana (Lea, 1840)
boykiniana albanyensis, Elimia boykiniana albanyensis Lea, 1864
boykiniana viennaensis, Elimia boykiniana viennaensis Lea, 1862
brevis, Elimia brevis Reeve, 1860
brevispira, Anculosa brevispira Smith, 1922
broccata, Elimia broccata Thompson, 2000
brumbyi, Pleurocera brumbyi Lea, 1852
bubala, Lithasia bubala Minton, 2013
bubula, Lithasia bubula Minton, 2013 - syn of: Lithasia bubala Minton, 2013
buffyae, Elimia buffyae Mihalcik & Thompson, 2002
bullula, Goniobasis bullula (Lea, 1861)
caelatura, Elimia caelatura (Reeve, 1860)
caelatura excellens, Elimia caelatura excellens Goodrich, 1935
caelatura georgiana, Elimia caelatura georgiana Lea, 1862
caelatura infuscata, Elimia caelatura infuscata Lea, 1862
caelatura lecontiana, Elimia caelatura lecontiana (Lea, 1841)
caelatura luteocella, Elimia caelatura luteocella Lea, 1868
caelatura stearnsiana, Elimia caelatura stearnsiana Call, 1886
cahawbensis, Elimia cahawbensis Lea, 1861
cahawbensis fraterna, Elimia cahawbensis fraterna Lea, 1864
canaliculata, Pleurocera canaliculata Say, 1821
canaliculata alabamense, Pleurocera canaliculata alabamense Lea, 1862
canaliculata excuratum, Pleurocera canaliculata excuratum Conrad, 1834
canaliculata filum, Pleurocera canaliculata filum Lea, 1845
canaliculata moriforme, Pleurocera canaliculata moriforme Lea, 1862
canaliculata undulata, Pleurocera canaliculata undulata Say
canaliculatum gradata, Pleurocera canaliculatum gradata Anthony, 1854 - syn of: Pleurocera gradata Anthony, 1854
cancellata, Elimia cancellata (Benson, 1833)
capillaris, Elimia capillaris Lea, 1861
carinata, Leptoxis carinata (Bruguière, 1792)
carinata nickliniana, Leptoxis carinata nickliniana Lea, 1841
carinatus, Anculotus carinatus Layard, 1855 - syn of: Cremnoconchus conicus Blanford, 1870
carinifera, Goniobasis carinifera (Lamarck, 1822)
carinocostata, Anculosa carinocostata Lea, 1854
castanea, Holandriana castanea (Bourguignat, 1884)
castanea, Melanella castanea Bourguignat, 1884 - syn of: Holandriana castanea (Bourguignat, 1884)
castanea, Goniobasis laqueata castanea Lea
catenaria, Goniobasis catenaria (Say, 1822)
catenaria dislocata, Goniobasis catenaria dislocata (Ravenel, 1834)
catenaria effosa, Goniobasis catenaria effosa Smith, 1938
catenaria inclinans, Goniobasis catenaria inclinans Lea, 1862
catenaria postelli, Goniobasis catenaria postelli Lea, 1858 - syn of: Goniobasis postelli (Lea, 1858)
catenaria vanhyningiana, Goniobasis catenaria vanhyningiana Goodrich, 1921
catenoides, Elimia catenoides (Lea, 1842)
chiltonensis, Elimia chiltonensis (Goodrich, 1941)
choccoloccoensis, Leptoxis choccoloccoensis (Smith, 1922)
christyi, Elimia christyi (Lea, 1862)
circumlineata, Goniobasis circumlineata Tryon
clara, Anculosa clara Anthony, 1854
clathrata, Goniobasis perstriata clathrata Lea
clausa, Elimia clausa Lea, 1861
clavaeformis, Elimia clavaeformis (Lea, 1841)
clavaeformis, Goniobasis clavaeformis Lea, 1841 - syn of: Elimia clavaeformis (Lea, 1841)
clavaeformis acutocarinata, Elimia clavaeformis acutocarinata (Lea, 1841)
clavaeformis unciale, Elimia clavaeformis unciale (Haldeman, 1841)
clavula, Elimia acuta clavula Lea
clenchi, Goniobasis clenchi Goodrich, 1924
clipeata, Anculosa clipeata Smith, 1922
cochliaris, Elimia cochliaris (Lea, 1868)
codiella, Holandriana codiella (Servain, 1884)
codiella, Melanella codiella Servain, 1884 - syn of: Holandriana codiella (Servain, 1884)
comalensis, Elimia comalensis Pilsbry, 1890
comalensis fontinalis, Elimia comalensis fontinalis Pilsbry & Ferriss, 1906
comma, Anculosa comma Conrad, 1834
compacta, Leptoxis compacta Anthony, 1854
contigua, Goniobasis contigua Lea
corpulenta, Pleurocera corpulenta Anthony, 1854
costifera, Goniobasis costifera (Reeve, 1861)
costulata, Goniobasis laqueata costulata Lea
costulata, Holandriana holandrii costulata Schmidt
crandalli, Elimia potosiensis crandalli Pilsbry
crassa, Lithasia crassa Haldeman, 1842
crassilabris, Holandriana crassilabris (Bourguignat, 1884)
crassilabris, Melanella crassilabris Bourguignat, 1884 - syn of: Holandriana crassilabris (Bourguignat, 1884)
crassus, Lithasiopsis crassus Thompson, 1959
crenatella, Elimia crenatella Lea, 1860
crispa, Goniobasis perstriata crispa Lea
curreyana, Anculosa curreyana Lea, 1841
currierianum, Pleurocera currierianum Lea, 1863
curta, Lithasia curta Lea, 1868
curta roanense, Lithasia curta roanense Lea, 1864
curvicostata, Goniobasis curvicostata (Reeve, 1861)
cylindracea, Anculosa cylindracea Conrad, 1834
darnelli, Lithasiopsis darnelli Thompson, 1959
darwini, Elimia darwini Mihalcik & Thompson, 2002
decampii, Goniobasis perstriata decampii Lea
densicostata, Elimia densicostata (Reeve, 1862)
dickinsoni, Elimia dickinsoni (Clench & Turner, 1956)
dilatata, Leptoxis dilatata Conrad, 1835
dislocata, Goniobasis catenaria dislocata Ravenel
dislocata, Anculosa dislocata Reeve, 1861
divina, Holandriana divina (Bourguignat, 1884)
divina, Melanella divina Bourguignat, 1884 - syn of: Holandriana divina (Bourguignat, 1884)
dooleyensis, Elimia dooleyensis (Lea, 1862)
duttoniana, Lithasia duttoniana Lea, 1841
ebenum, Goniobasis ebenum (Lea, 1841)
edgariana, Elimia edgariana (Lea, 1841)
effosa, Goniobasis catenaria effosa Smith
effosa, Goniobasis effosa Smith, 1938 - syn of: Goniobasis catenaria effosa Smith, 1938
emeryensis, Goniobasis emeryensis Lea
excellens, Elimia caelatura excellens Goodrich
excisa, Gyrotoma excisa (Lea, 1843)
excuratum, Pleurocera canaliculata excuratum Conrad
excurvatum, Pleurocera excurvatum (Conrad, 1834)
eximia, Holandriana eximia (Bourguignat, 1884)
eximia, Melanella eximia Bourguignat, 1884 - syn of: Holandriana eximia (Bourguignat, 1884)
exusta, Elimia exusta Mihalcik & Thompson, 2002
fagotiana, Holandriana fagotiana (Bourguignat, 1884)
fagotiana, Melanella fagotiana Bourguignat, 1884 - syn of: Holandriana fagotiana (Bourguignat, 1884)
fascinans, Elimia fascinans Lea, 1861
filum, Pleurocera canaliculata filum Lea
flava, Anculosa flava Lea, 1862
flexuosa, Anculosa flexuosa Smith, 1922
florentiana, Lithasia salebrosa florentiana Lea
floridensis, Goniobasis floridensis (Reeve, 1860)
floridensis timidus, Goniobasis floridensis timidus (Goodrich, 1942)
fluvialis, Io fluvialis (Say, 1825)
fluviatilis, Io fluviatilis Say, 1825 - syn of: Io fluvialis (Say, 1825)
fontinalis, Elimia comalensis fontinalis Pilsbry & Ferriss
foremani, Leptoxis foremani Lea, 1843
formani, Leptoxis formani (Lea, 1843)
formosa, Leptoxis formosa Lea, 1860
fossariformis, Holandriana fossariformis (Tournouër, 1879) † (FOSSIL)
fraterna, Elimia cahawbensis fraterna Lea
frici, Holandriana frici (Brusina, 1897) † (FOSSIL)
fuchsi, Holandriana fuchsi (Wenz, 1928) † (FOSSIL)
fuliginosa, Lithasia geniculata fuliginosa Lea
fuscocincta, Goniobasis fuscocincta (Anthony, 1854)
fusiformis, Elimia fusiformis Lea, 1861
gabbiana, Pleurocera gabbiana (Lea, 1862)
gaji, Holandriana gaji (Brusina, 1878) † (FOSSIL)
geniculata, Lithasia geniculata (Haldeman, 1840)
geniculata fuliginosa, Lithasia geniculata fuliginosa Lea, 1841
geniculata pinguis, Lithasia geniculata pinguis Lea, 1852
geniculata venusta, Lithasia geniculata venusta Lea, 1841
georgiana, Elimia caelatura georgiana Lea
gerhardti, Anculosa gerhardti Lea, 1862 - syn of: Elimia gerhardtii Lea, 1862
gerhardtii, Elimia gerhardtii Lea, 1862
germana, Goniobasis germana (Anthony, 1860)
gibbera, Elimia gibbera Goodrich, 1922
gibbosa, Pleurocera gibbosa (Say, 1825)
gigantea, Holandriana gigantea (Bourguignat, 1884)
gigantea, Melanella gigantea Bourguignat, 1884 - syn of: Holandriana gigantea (Bourguignat, 1884)
glarea, Elimia glarea Mihalcik & Thompson, 2002
godwini, Elimia godwini Thompson, 2000
gracillor, Elimia livescens gracillor Lea
gradata, Pleurocera gradata Anthony, 1854
grata, Goniobasis grata (Anthony, 1860)
gravida, Goniobasis gravida (Anthony, 1860)
griffithiana, Gyrotoma griffithiana Lea, 1860
grisea, Goniobasis grisea (Anthony, 1860)
haldeman, Goniobasis haldeman Tryon, 1865
haldemani, Elimia livescens haldemani Tryon
hartmaniana, Elimia hartmaniana Lea, 1861
hastata, Pleurocera uncialis hastata Anthony
haysiana, Elimia haysiana (Lea, 1843)
heckneri, Holandriana heckneri (Koch, 1917) † (FOSSIL)
hellespontica, Holandriana hellespontica (Calvert & Neumayr, 1880) † (FOSSIL)
hinkleyi, Elimia acuta hinkleyi Goodrich
hinkleyi, Lithasiopsis hinkleyi Pilsbry, 1910
hispanica, Holandriana hispanica Westerlund, 1898
holandrii, Holandriana holandrii (Pfeiffer, 1828)
holandrii aequata, Holandriana holandrii aequata Rossmässler, 1837 - syn of: Holandriana holandrii agnata Pfeiffer, 1828
holandrii afra, Holandriana holandrii afra (Rossmässler, 1837)
holandrii agnata, Holandriana holandrii agnata Pfeiffer, 1828
holandrii costulata, Holandriana holandrii costulata (Schmidt, 1847)
holandrii laevigata, Holandriana holandrii laevigata (Rossmässler, 1839)
holandrii legitima, Holandriana holandrii legitima (Rossmässler, 1839)
holandrii montenegrina, Holandriana holandrii montenegrina (Walderdorff, 1864)
hollandrii, Holandriana hollandrii Pfeiffer, 1828 - syn of: Holandriana holandrii (Pfeiffer, 1828)
housei, Adamietta housei Lea, 1856 - syn of: Sulcospira housei (Lea, 1856)
hubrichti, Lithasia hubrichti Clench, 1956
hydei, Elimia hydei (Conrad, 1834)
impressa, Elimia impressa (Lea, 1841)
incisum, Gyrotoma incisum (Lea, 1842)
inclinans, Goniobasis catenaria inclinans Lea
induta, Goniobasis induta Lea, 1862
induta, Holandriana induta Westerlund, 1898
infuscata, Elimia caelatura infuscata Lea
inosculata, Elimia inosculata Lea, 1862
interrupta, Elimia interrupta (Haldeman, 1840)
interveniens, Elimia interveniens Lea, 1862
jayana, Lithasia jayana Lea, 1841
jonesi, Elimia jonesi Goodrich, 1936
krambergeri, Holandriana krambergeri (Brusina, 1892) † (FOSSIL)
krapinensis, Holandriana krapinensis (Bourguignat, 1884)
krapinensis, Melanella krapinensis Bourguignat, 1884 - syn of: Holandriana krapinensis (Bourguignat, 1884)
lachryma, Elimia lachryma Reeve, 1861
laciniata, Gyrotoma laciniata (Lea, 1845)
laeta, Elimia laeta (Jay, 1839)
laevigata, Goniobasis laevigata (Lea, 1842)
laevigata, Holandriana holandrii laevigata Rossmässler
laqueata, Goniobasis laqueata (Say, 1829)
laqueata castanea, Goniobasis laqueata castanea (Lea, 1841)
laqueata costulata, Goniobasis laqueata costulata (Lea, 1841)
laqueata mutata, Goniobasis laqueata mutata Brot
laqueata tortum, Goniobasis laqueata tortum (Lea, 1845)
larvaeformis, Goniobasis larvaeformis (Reeve, 1860)
lecontiana, Elimia caelatura lecontiana Lea
legitima, Holandriana holandrii legitima Rossmässler
lewisi, Elimia acuta lewisi Lea
lewisii, Gyrotoma lewisii Lea, 1869
ligata, Leptoxis ligata Anthony, 1860
lima, Lithasia lima (Conrad, 1834)
lirata, Leptoxis lirata (Smith, 1922)
livescens, Elimia livescens (Menke, 1830)
livescens gracillor, Elimia livescens gracillor Lea, 1861
livescens haldemani, Elimia livescens haldemani Tryon, 1865
louisvillensis, Goniobasis louisvillensis Lea, 1863
lucida, Holandriana lucida Cossmann, 1886 † (FOSSIL)
lucida, Leptoxis taeniata lucida Goodrich
lumila, Gyrotoma lumila Lea, 1860
luteocella, Elimia caelatura luteocella Lea
macedonica, Holandriana macedonica (Burgerstein, 1877) † (FOSSIL)
macglameriana, Elimia macglameriana Goodrich, 1936
melanoides, Leptoxis melanoides Conrad, 1834
mexicanus, Lithasiopsis mexicanus Pilsbry, 1910
mihalcikae, Elimia mihalcikae Thompson, 1998
mimica, Leptoxis mimica (Smith, 1922)
minima, Pleurocera minima Smith, 1908
minor, Leptoxis minor Hinkley, 1912
modesta, Pleurocera modesta Lea, 1860
montenegrina, Holandriana holandrii montenegrina Walderdorff
moriforme, Pleurocera canaliculata moriforme Lea
murrayensis, Goniobasis murrayensis Lea
mutabilis, Goniobasis mutabilis Lea, 1862
mutabilis timidus, Goniobasis mutabilis timidus Goodrich, 1942 - syn of: Goniobasis floridensis timidus (Goodrich, 1942)
mutata, Goniobasis laqueata mutata Brot
nassula, Elimia nassula (Conrad, 1834)
nickliniana, Leptoxis carinata nickliniana Lea
nobilis, Pleurocera nobilis Lea, 1845
nobilis nodosa, Pleurocera nobilis nodosa Lea, 1861
nodosa, Pleurocera nobilis nodosa Lea
obovata, Lithasia obovata (Say, 1829)
occultata, Anculosa occultata Smith, 1922
ocoeensis, Elimia ocoeensis (Lea, 1868)
ohioensis, Goniobasis ohioensis (Lea, 1852)
olivula, Elimia olivula (Conrad, 1834)
ornata, Anculosa ornata Lea, 1868
osculata, Goniobasis osculata Lea, 1872
ovoidaea, Melanella ovoidaea Bourguignat, 1884 - syn of: Holandriana ovoidea (Bourguignat, 1884)
ovoidea, Holandriana ovoidea (Bourguignat, 1884)
ovoidea, Gyrotoma ovoidea Shuttleworth, 1845
ozarkensis, Elimia potosiensis ozarkensis Call
pagoda, Gyrotoma pagoda Lea, 1845
pagodiformis, Goniobasis pagodiformis (Anthony, 1854)
pallidula, Goniobasis pallidula (Anthony, 1854)
parva, Pleurocera parva Lea, 1862 - syn of: Pleurocera parvum Lea, 1862
parvum, Pleurocera parvum Lea, 1862
patula, Holandriana patula (Bellardi & Michelotti, 1841) † (FOSSIL)
patula propatula, Holandriana patula propatula (Sacco, 1886) † (FOSSIL)
patula taurostriata, Holandriana patula taurostriata (Sacco, 1895) † (FOSSIL)
patula taurostricta, Holandriana patula taurostricta Sacco, 1895 † - syn of: Holandriana patula taurostriata (Sacco, 1895) † (FOSSIL)
paupercula, Anculosa paupercula Lea, 1862
pecchioli, Holandriana pecchioli (Hörnes, 1856) † (FOSSIL)
pennsylvanica, Goniobasis pennsylvanica (Pilsbry, 1916)
perstriata, Goniobasis perstriata (Lea, 1852)
perstriata clathrata, Goniobasis perstriata clathrata Lea
perstriata crispa, Goniobasis perstriata crispa Lea, 1862
perstriata decampii, Goniobasis perstriata decampii Lea, 1863
picta, Leptoxis picta Conrad, 1834
pilsbryi, Elimia pilsbryi Goodrich, 1927
pinguis, Lithasia geniculata pinguis Lea
pirenoidea, Neoradina pirenoidea (Nevill, 1884)
plebeius, Elimia potosiensis plebeius Anthony
plicata, Leptoxis plicata Conrad, 1834
plicatastriata, Elimia plicatastriata (Wetherby, 1876)
ponderosa, Holandriana ponderosa (Bourguignat, 1884)
ponderosa, Melanella ponderosa Bourguignat, 1884 - syn of: Holandriana ponderosa (Bourguignat, 1884)
porrecta, Elimia porrecta Lea, 1863
postelli, Goniobasis postelli (Lea, 1858)
potosiensis, Elimia potosiensis (Lea, 1841)
potosiensis crandalli, Elimia potosiensis crandalli Pilsbry, 1890
potosiensis ozarkensis, Elimia potosiensis ozarkensis Call, 1886
potosiensis plebeius, Elimia potosiensis plebeius (Anthony, 1850)
praerosa, Leptoxis praerosa Say, 1821
prasinata, Pleurocera prasinata Conrad, 1834
propatula, Holandriana patula propatula Sacco (FOSSIL)
proxima, Anculosa proxima Say, 1825
pulcherrima, Goniobasis pulcherrima (Anthony, 1860)
pumila, Gyrotoma pumila Lea, 1860
pupaeformis, Elimia pupaeformis Lea, 1864
pupoidea, Anculosa pupoidea Anthony, 1854
pybasi, Anculosa pybasi Lea, 1862 - syn of: Elimia pydasii Lea, 1862
pydasii, Elimia pydasii Lea, 1862
pygmaea, Elimia pygmaea Smith, 1936
pyramidata, Gyrotoma pyramidata Shuttleworth, 1845
pyrenella, Pleurocera pyrenella Conrad, 1834
rhombica, Goniobasis rhombica (Anthony, 1854)
ricinus, Holandriana ricinus (Neumayr, 1875) † (FOSSIL)
roanense, Lithasia curta roanense Lea
rubella, Goniobasis rubella Lea, 1862
salebrosa, Lithasia salebrosa (Conrad, 1834)
salebrosa florentiana, Lithasia salebrosa florentiana Lea, 1841
salebrosa subglobosa, Lithasia salebrosa subglobosa Lea, 1861
semicarinata, Goniobasis semicarinata (Say, 1829)
semigradata, Elimia semigradata (Lea, 1862)
serbica, Holandriana serbica (Živkovic, 1893) † (FOSSIL)
showalteri, Elimia showalteri Lea, 1862
showalterii, Anculosa showalterii Lea, 1862 - syn of: Elimia showalteri Lea, 1862
simplex, Goniobasis simplex (Say, 1825)
smithi, Anculosa smithi Goodrich, 1922
sordida, Goniobasis sordida (Lea, 1841)
speciosa, Holandriana speciosa (Bourguignat, 1884)
speciosa, Melanella speciosa Bourguignat, 1884 - syn of: Holandriana speciosa (Bourguignat, 1884)
spicula, Lithasia spicula Minton, Savarese & Campbell, 2005
spillmanii, Goniobasis spillmanii Lea, 1862
spinella, Goniobasis arachnoides spinella Lea
squalida, Leptoxis squalida (Lea, 1845)
stearnsiana, Elimia caelatura stearnsiana Call
strialuta, Goniobasis strialuta (Lea, 1842)
striatula, Elimia striatula (Lea, 1842)
striatum, Pleurocera striatum (Lea, 1863)
strigosa, Elimia strigosa (Lea, 1841)
strombiformis, Pleurocera strombiformis von Schlotheim, 1888 † - syn of: Cassiope branneri (Hill, 1893) † (FOSSIL)
subglobosa, Lithasia salebrosa subglobosa Lea
subglobosa, Anculosa subglobosa Say, 1825
sulcosa, Goniobasis sulcosa (Lea, 1841)
suturalis, Goniobasis suturalis (Haldeman, 1840)
symmetrica, Anculosa symmetrica Haldeman, 1841
taeniata, Leptoxis taeniata Conrad, 1834
taeniata lucida, Leptoxis taeniata lucida Goodrich
tainiata, Anculosa tainiata Conrad, 1834
taitiana, Anculosa taitiana Lea, 1841
taurostriata, Holandriana patula taurostriata Sacco (FOSSIL)
tecta, Elimia tecta (Anthony, 1854)
tenera, Elimia tenera (Anthony, 1861)
teres, Elimia teres (Lea, 1841)
teretria, Elimia teretria Thompson, 2000
timida, Elimia timida (Goodrich, 1942)
timidus, Goniobasis floridensis timidus Goodrich
torrefacta, Leptoxis torrefacta (Goodrich, 1922)
tortum, Goniobasis laqueata tortum Lea
trilineata, Anculosa trilineata Say, 1829
tripartita, Goniobasis tripartita (Reeve, 1860)
trochiformis, Pleurocera trochiformis Conrad, 1834
troostiana, Elimia troostiana (Lea, 1838)
tuomeyi, Goniobasis tuomeyi Lea, 1862
ucheensis, Goniobasis ucheensis Lea, 1862
umbilicata, Anculosa umbilicata Wetherby, 1876
unciale, Elimia clavaeformis unciale Haldeman
uncialis, Pleurocera uncialis (Haldeman, 1841)
uncialis hastata, Pleurocera uncialis hastata Anthony, 1854
undulata, Pleurocera canaliculata undulata Say
vanhyningiana, Goniobasis catenaria vanhyningiana Goodrich
vanuxemiana, Elimia vanuxemiana (Lea, 1843)
varians, Elimia varians Lea, 1861
variata, Anculosa variata Lea, 1861 - syn of: Elimia varians Lea, 1861
venusta, Lithasia geniculata venusta Lea
verrucosa, Lithasia verrucosa (Rafinesque, 1820)
vesicula, Goniobasis vesicula (Lea, 1861)
vestita, Pleurocera vestita Conrad, 1834
vicina, Goniobasis vicina (Anthony, 1854)
vidali, Goniobasis vidali Cossmann, 1906 † - syn of: Peraubium vidali (Cossmann, 1906) † (FOSSIL)
viennaensis, Elimia boykiniana viennaensis Lea
violacea, Goniobasis violacea Lewis - syn of: Elimia violacea Lewis
violacea, Elimia violacea Lewis
virgata, Leptoxis virgata Lea, 1841
virginica, Elimia virginica (Say, 1817)
viridulum, Pleurocera viridulum Anthony, 1854
vittata, Anculosa vittata Lea, 1860
walkeri, Gyrotoma walkeri Smith, 1924
whitei, Goniobasis whitei Lea, 1862
zelebori, Neoradina zelebori (Brot, 1872)
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