Gastrodonta
interna
(T. Say, 1822)

Gastrodonta
aldrichiana
W.F. Clapp, 1907

Gastrodonta
saludensis
J.P.E. Morrison, 1937

Gastrodonta
evanstonensis
T.D.A. Cockerell, 1912

Gastrodonta
evanstonensis
White, 1878 †
(FOSSIL)

Gastrodonta
interna
(T. Say, 1822)

Gastrodonta
aldrichiana
W.F. Clapp, 1907

Gastrodonta
saludensis
J.P.E. Morrison, 1937

Gastrodonta
evanstonensis
T.D.A. Cockerell, 1912

Gastrodonta
evanstonensis
White, 1878 †
(FOSSIL)

Janulus
pompylius
(R.J. Shuttleworth, 1852)

Janulus
stephanophorus
(G.P. Deshayes, 1835)

Janulus
bifrons
(R.T. Lowe, 1831)

Janulus
spadinii
G. Manganelli & al., 2011 †
(FOSSIL)

Janulus
pompilius
(R.J. Shuttleworth, 1852)

Janulus
gottschicki
(Jooss, 1912) †
(FOSSIL)

Janulus
moersingensis
Jooss, 1918 †
(FOSSIL)

Janulus
supracostatus
(Sandberger, 1872) †
(FOSSIL)

Janulus
austriacus
Harzhauser & Binder, 2004 †
(FOSSIL)

Janulus
traviesus
Castro, Yanes, García, Alonso & Ibáñez, 2014

Poecilozonites
blandi
H.A. Pilsbry, 1924

Poecilozonites
gulicki
H.A. Pilsbry, 1924

Poecilozonites
reinianus
L. Pfeiffer

Poecilozonites
vanattai
H.A. Pilsbry, 1924

Poecilozonites
acutissimus
H.A. Pilsbry, 1924

Poecilozonites
circumfirmatus
(J.H. Redfield, 1853)

Poecilozonites
blandi
H.A. Pilsbry, 1924

Poecilozonites
gulicki
H.A. Pilsbry, 1924

Poecilozonites
reinianus
L. Pfeiffer

Poecilozonites
vanattai
H.A. Pilsbry, 1924

Poecilozonites
acutissimus
H.A. Pilsbry, 1924

Poecilozonites
circumfirmatus
(J.H. Redfield, 1853)

Poecilozonites
blandi
H.A. Pilsbry, 1924

Poecilozonites
gulicki
H.A. Pilsbry, 1924

Poecilozonites
reinianus
L. Pfeiffer

Poecilozonites
vanattai
H.A. Pilsbry, 1924

Poecilozonites
acutissimus
H.A. Pilsbry, 1924

Poecilozonites
circumfirmatus
(J.H. Redfield, 1853)

Striatura
exigua
(W. Stimpson, 1850)

Striatura
ferrea
E.S. Morse, 1864

Striatura
meridionalis
H.A. Pilsbry & J.H. Ferriss, 1906

Striatura
milium
(E.S. Morse, 1859)

Striatura
pugetensis
W.H. Dall, 1895

Striatura
chishimana
H.A. Pilsbry & Y. Hirase, 1904

Striatura
discus
H.B. Baker, 1941

Striatura
meniscus
C.M.F. Ancey, 1904

Striatura
umbratilis
(R.J.L. Guppy, 1868)

Striatura
kawaiensis
(L. Pfeiffer, 1854)

Striatura
exigua
(W. Stimpson, 1850)

Striatura
ferrea
E.S. Morse, 1864

Striatura
meridionalis
H.A. Pilsbry & J.H. Ferriss, 1906

Striatura
milium
(E.S. Morse, 1859)

Striatura
pugetensis
W.H. Dall, 1895

Striatura
chishimana
H.A. Pilsbry & Y. Hirase, 1904

Striatura
discus
H.B. Baker, 1941

Striatura
meniscus
C.M.F. Ancey, 1904

Striatura
umbratilis
(R.J.L. Guppy, 1868)

Striatura
kawaiensis
(L. Pfeiffer, 1854)

Striatura
exigua
(W. Stimpson, 1850)

Striatura
ferrea
E.S. Morse, 1864

Striatura
meridionalis
H.A. Pilsbry & J.H. Ferriss, 1906

Striatura
milium
(E.S. Morse, 1859)

Striatura
pugetensis
W.H. Dall, 1895

Striatura
chishimana
H.A. Pilsbry & Y. Hirase, 1904

Striatura
discus
H.B. Baker, 1941

Striatura
meniscus
C.M.F. Ancey, 1904

Striatura
umbratilis
(R.J.L. Guppy, 1868)

Striatura
kawaiensis
(L. Pfeiffer, 1854)

Ventridens
arcellus
L.R. Hubricht, 1976

Ventridens
brittsi
H.A. Pilsbry, 1892

Ventridens
cerinoideus
(J.G. Anthony, 1865)

Ventridens
coelaxis
H.A. Pilsbry, 1899

Ventridens
collisella
H.A. Pilsbry, 1896

Ventridens
decussatus
B. Walker & H.A. Pilsbry, 1902

Ventridens
demissus
(A. Binney, 1843)

Ventridens
eutropis
H.A. Pilsbry, 1946

Ventridens
gularis
(T. Say, 1822)

Ventridens
intertextus
(A. Binney, 1841)

Ventridens
lasmodon
(B. Phillips, 1841)

Ventridens
lawae
W.G. Binney, 1892

Ventridens
ligera
(T. Say, 1821)

Ventridens
monodon
L.R. Hubricht, 1964

Ventridens
percallosus
H.A. Pilsbry, 1898

Ventridens
pilsbryi
L.R. Hubricht, 1964

Ventridens
suppressus
(T. Say, 1829)

Ventridens
theloides
B. Walker & H.A. Pilsbry, 1902

Ventridens
virginicus
E.G. Vanatta, 1936

Ventridens
volusiae
H.A. Pilsbry, 1900

Ventridens
collissella
H.A. Pilsbry, 1896

Ventridens
arcellus
L.R. Hubricht, 1976

Ventridens
brittsi
H.A. Pilsbry, 1892

Ventridens
cerinoideus
(J.G. Anthony, 1865)

Ventridens
coelaxis
H.A. Pilsbry, 1899

Ventridens
collisella
H.A. Pilsbry, 1896

Ventridens
decussatus
B. Walker & H.A. Pilsbry, 1902

Ventridens
demissus
(A. Binney, 1843)

Ventridens
eutropis
H.A. Pilsbry, 1946

Ventridens
gularis
(T. Say, 1822)

Ventridens
intertextus
(A. Binney, 1841)

Ventridens
lasmodon
(B. Phillips, 1841)

Ventridens
lawae
W.G. Binney, 1892

Ventridens
ligera
(T. Say, 1821)

Ventridens
monodon
L.R. Hubricht, 1964

Ventridens
percallosus
H.A. Pilsbry, 1898

Ventridens
pilsbryi
L.R. Hubricht, 1964

Ventridens
suppressus
(T. Say, 1829)

Ventridens
theloides
B. Walker & H.A. Pilsbry, 1902

Ventridens
virginicus
E.G. Vanatta, 1936

Ventridens
volusiae
H.A. Pilsbry, 1900

Ventridens
collissella
H.A. Pilsbry, 1896

Ventridens
arcellus
L.R. Hubricht, 1976

Ventridens
brittsi
H.A. Pilsbry, 1892

Ventridens
cerinoideus
(J.G. Anthony, 1865)

Ventridens
coelaxis
H.A. Pilsbry, 1899

Ventridens
collisella
H.A. Pilsbry, 1896

Ventridens
decussatus
B. Walker & H.A. Pilsbry, 1902

Ventridens
demissus
(A. Binney, 1843)

Ventridens
eutropis
H.A. Pilsbry, 1946

Ventridens
gularis
(T. Say, 1822)

Ventridens
intertextus
(A. Binney, 1841)

Ventridens
lasmodon
(B. Phillips, 1841)

Ventridens
lawae
W.G. Binney, 1892

Ventridens
ligera
(T. Say, 1821)

Ventridens
monodon
L.R. Hubricht, 1964

Ventridens
percallosus
H.A. Pilsbry, 1898

Ventridens
pilsbryi
L.R. Hubricht, 1964

Ventridens
suppressus
(T. Say, 1829)

Ventridens
theloides
B. Walker & H.A. Pilsbry, 1902

Ventridens
virginicus
E.G. Vanatta, 1936

Ventridens
volusiae
H.A. Pilsbry, 1900

Ventridens
collissella
H.A. Pilsbry, 1896

Zonitoides
elliotti
(J.H. Redfield, 1856)

Zonitoides
excavatus
(J. Alder, 1830)

Zonitoides
kirbyi
W. Fullington, 1974

Zonitoides
lateumbilicatus
H.A. Pilsbry, 1895

Zonitoides
limatulus
(A. Binney, 1840)

Zonitoides
nitidus
(O.F. Müller, 1774)

Zonitoides
patuloides
H.A. Pilsbry, 1895

Zonitoides
jaccetanicus
J.R. Bourguignat, 1870

Zonitoides
yessoensiis
O.W.H. Reinhardt, 1877

Zonitoides
nitidulus
(O.F. Müller, 1774)

Zonitoides
bregyi
E.G. Vanatta, 1920

Zonitoides
parana
F.C. Baker, 1914

Zonitoides
ostauri
H.A. Pilsbry, 1926

Zonitoides
multivolvis
H.A. Pilsbry, 1926

Zonitoides
bregyl
E.G. Vanatta, 1920

Zonitoides
glomerulus
(E.C. Von Martens, 1892)

Zonitoides
hoffmanni
(E.C. Von Martens, 1892)

Zonitoides
nitidopsis
(P.M.A. Morelet, 1851)

Zonitoides
tehuantepecensis
(J.C.H. Crosse & P.H. Fischer, 1870)

Zonitoides
suevicus
(Jooss, 1918 †)
(FOSSIL)

Zonitoides
wenzi
(Royo Gómez, 1928) †
(FOSSIL)

Zonitoides
schaireri
Schlickum, 1978 †
(FOSSIL)

Zonitoides
elliotti
(J.H. Redfield, 1856)

Zonitoides
excavatus
(J. Alder, 1830)

Zonitoides
kirbyi
W. Fullington, 1974

Zonitoides
lateumbilicatus
H.A. Pilsbry, 1895

Zonitoides
limatulus
(A. Binney, 1840)

Zonitoides
nitidus
(O.F. Müller, 1774)

Zonitoides
patuloides
H.A. Pilsbry, 1895

Zonitoides
jaccetanicus
J.R. Bourguignat, 1870

Zonitoides
yessoensiis
O.W.H. Reinhardt, 1877

Zonitoides
nitidulus
(O.F. Müller, 1774)

Zonitoides
bregyi
E.G. Vanatta, 1920

Zonitoides
parana
F.C. Baker, 1914

Zonitoides
ostauri
H.A. Pilsbry, 1926

Zonitoides
multivolvis
H.A. Pilsbry, 1926

Zonitoides
bregyl
E.G. Vanatta, 1920

Zonitoides
glomerulus
(E.C. Von Martens, 1892)

Zonitoides
hoffmanni
(E.C. Von Martens, 1892)

Zonitoides
nitidopsis
(P.M.A. Morelet, 1851)

Zonitoides
tehuantepecensis
(J.C.H. Crosse & P.H. Fischer, 1870)

Zonitoides
suevicus
(Jooss, 1918 †)
(FOSSIL)

Zonitoides
wenzi
(Royo Gómez, 1928) †
(FOSSIL)

Zonitoides
schaireri
Schlickum, 1978 †
(FOSSIL)

Zonitoides
elliotti
(J.H. Redfield, 1856)

Zonitoides
excavatus
(J. Alder, 1830)

Zonitoides
kirbyi
W. Fullington, 1974

Zonitoides
lateumbilicatus
H.A. Pilsbry, 1895

Zonitoides
limatulus
(A. Binney, 1840)

Zonitoides
nitidus
(O.F. Müller, 1774)

Zonitoides
patuloides
H.A. Pilsbry, 1895

Zonitoides
jaccetanicus
J.R. Bourguignat, 1870

Zonitoides
yessoensiis
O.W.H. Reinhardt, 1877

Zonitoides
nitidulus
(O.F. Müller, 1774)

Zonitoides
bregyi
E.G. Vanatta, 1920

Zonitoides
parana
F.C. Baker, 1914

Zonitoides
ostauri
H.A. Pilsbry, 1926

Zonitoides
multivolvis
H.A. Pilsbry, 1926

Zonitoides
bregyl
E.G. Vanatta, 1920

Zonitoides
glomerulus
(E.C. Von Martens, 1892)

Zonitoides
hoffmanni
(E.C. Von Martens, 1892)

Zonitoides
nitidopsis
(P.M.A. Morelet, 1851)

Zonitoides
tehuantepecensis
(J.C.H. Crosse & P.H. Fischer, 1870)

Zonitoides
suevicus
(Jooss, 1918 †)
(FOSSIL)

Zonitoides
wenzi
(Royo Gómez, 1928) †
(FOSSIL)

Zonitoides
schaireri
Schlickum, 1978 †
(FOSSIL)