Delphinulopsis
pustulosa
(Münster, 1841 †)
(FOSSIL)

Delphinulopsis
esinensis
E.A.L. Kittl, 1894 †
(FOSSIL)

Marmolatella
ampliata
B. Phillips, 1836 †
(FOSSIL)

Marmolatella
complanata
(Stoppani, 1857 †)
(FOSSIL)

Marmolatella
fenestrata
(Laube, 1869 †)
(FOSSIL)

Marmolatella
implicata
E.A.L. Kittl, 1894 †
(FOSSIL)

Marmolatella
obtusangula
E.F.R.K. Koken, 1897 †
(FOSSIL)

Marmolatella
picta
Böhm, 1895 †
(FOSSIL)

Marmolatella
profunda
E.A.L. Kittl, 1899 †
(FOSSIL)

Marmolatella
sigaretiformis
(de Koninck, 1881 †)
(FOSSIL)

Marmolatella
stomatia
(Stoppani, 1858 †)
(FOSSIL)

Marmolatella
subovata
(F.B. Meek & A.H. Worthen, 1873 †)
(FOSSIL)

Marmolatella
applanata
E.A.L. Kittl, 1894 †
(FOSSIL)

Marmolatella
imoensis
Jeffery & al., 1994 †
(FOSSIL)

Marmolatella
macgordoni
Jeffery & al., 1994 †
(FOSSIL)

Marmolatella
plana
E.F.R.K. Koken, 1898 †
(FOSSIL)

Marmolatella
ingens
E.A.L. Kittl, 1894 †
(FOSSIL)

Naticopsis
brevispira
F.A. Roemer, 1880 †
(FOSSIL)

Naticopsis
antiqua
G.A. Goldfuss, 1844 †
(FOSSIL)

Naticopsis
macrostoma
C.L.F. von Sandberger & C.L.F. von Sandberger, 1854 †
(FOSSIL)

Naticopsis
nana
F.B. Meek & A.H. Worthen, 1860 †
(FOSSIL)

Naticopsis
nodosa
F.B. Meek & A.H. Worthen, 1860 †
(FOSSIL)

Naticopsis
wheeleri
Swallow, 1860 †
(FOSSIL)

Naticopsis
kinkelini
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
uhligi
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
zitteli
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
inaequiplicata
Klipstein, 1843 †
(FOSSIL)

Naticopsis
meridionalis
B. Phillips, 1841 †
(FOSSIL)

Naticopsis
monilifera
White, 1880 †
(FOSSIL)

Naticopsis
cassiana
Wissmann, 1841 †
(FOSSIL)

Naticopsis
antiquata
J. Perner, 1903 †
(FOSSIL)

Naticopsis
pseudoangusta
E.A.L. Kittl, 1894 †
(FOSSIL)

Naticopsis
altonensis
Norwood & Pratten, 1855 †
(FOSSIL)

Naticopsis
ventricosa
Norwood & Pratten, 1855 †
(FOSSIL)

Naticopsis
buttsi
Gordon Jr. & E.L. Yochelson, 1982 †
(FOSSIL)

Naticopsis
clinovata
W.J. Gordon & E.L. Yochelson, 1987 †
(FOSSIL)

Naticopsis
consimilis
de Koninck, 1881 †
(FOSSIL)

Naticopsis
elongata
(B. Phillips, 1836 †)
(FOSSIL)

Naticopsis
excentrica
(A. Römer, 1843 †)
(FOSSIL)

Naticopsis
globulina
de Koninck, 1881 †
(FOSSIL)

Naticopsis
glomerosa
W.J. Gordon & E.L. Yochelson, 1983 †
(FOSSIL)

Naticopsis
heshanensis
Pan & Erwin, 2002 †
(FOSSIL)

Naticopsis
khurensis
(L. Waagen, 1880 †)
(FOSSIL)

Naticopsis
lilydalensis
Cresswell, 1893 †
(FOSSIL)

Naticopsis
minuta
C. Gemmellaro, 1889 †
(FOSSIL)

Naticopsis
ninglangensis
Pan & Erwin, 2002 †
(FOSSIL)

Naticopsis
piriformis
Mansuy, 1912 †
(FOSSIL)

Naticopsis
planispira
(B. Phillips, 1836 †)
(FOSSIL)

Naticopsis
praealta
J. Wanner, 1922 †
(FOSSIL)

Naticopsis
shizishanensis
Pan & Erwin, 2002 †
(FOSSIL)

Naticopsis
shumardi
(McChesney, 1859 †)
(FOSSIL)

Naticopsis
signata
E.F.R.K. Koken, 1900 †
(FOSSIL)

Naticopsis
utahensis
Batten & A. Stokes, 1986 †
(FOSSIL)

Naticopsis
ziczac
R.P. Whitfield, 1882 †
(FOSSIL)

Naticopsis
sublimneiformis
E.A.L. Kittl, 1894 †
(FOSSIL)

Naticopsis
ableptis
Batten, 1974 †
(FOSSIL)

Naticopsis
aequistriata
(F.B. Meek, 1873 †)
(FOSSIL)

Naticopsis
altoni
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
apachensis
Winters, 1963 †
(FOSSIL)

Naticopsis
apollinis
J. Perner, 1907 †
(FOSSIL)

Naticopsis
bowsheri
Blodgett, 1992 †
(FOSSIL)

Naticopsis
carleyana
(J.W. Hall, 1856 †)
(FOSSIL)

Naticopsis
carlyana
(J.W. Hall, 1856 †)
(FOSSIL)

Naticopsis
chesterensis
(Swallow, 1863 †)
(FOSSIL)

Naticopsis
comperta
(J.W. Hall, 1879 †)
(FOSSIL)

Naticopsis
confusa
J. Perner, 1903 †
(FOSSIL)

Naticopsis
consobrina
J. Perner, 1903 †
(FOSSIL)

Naticopsis
convoluta
Heidelberger, 2001 †
(FOSSIL)

Naticopsis
cretacea
(J.W. Hall & R.P. Whitfield, 1873 †)
(FOSSIL)

Naticopsis
deformis
Girty, 1909 †
(FOSSIL)

Naticopsis
depressa
(Stache, 1877 †)
(FOSSIL)

Naticopsis
dianae
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
efossa
(G.A. Goldfuss, 1844 †)
(FOSSIL)

Naticopsis
elegantula
Fliegel, 1901 †
(FOSSIL)

Naticopsis
elliptica
(B. Phillips, 1836 †)
(FOSSIL)

Naticopsis
errans
J. Perner, 1903 †
(FOSSIL)

Naticopsis
eruca
(J. Perner, 1907 †)
(FOSSIL)

Naticopsis
expansa
(Laube, 1868 †)
(FOSSIL)

Naticopsis
extensa
C.O. Waterhouse, 1963 †
(FOSSIL)

Naticopsis
fasciata
I. Hayasaka, 1943 †
(FOSSIL)

Naticopsis
gaderana
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
gaillardoti
(Lefroy, 1826 †)
(FOSSIL)

Naticopsis
genevievensis
(F.B. Meek & A.H. Worthen, 1867 †)
(FOSSIL)

Naticopsis
globosa
(Hoeninghaus, 1829 †)
(FOSSIL)

Naticopsis
gracilis
R.M. Branson, 1930 †
(FOSSIL)

Naticopsis
guizhouensis
Pan, 1982 †
(FOSSIL)

Naticopsis
hallii
Whidborne, 1892 †
(FOSSIL)

Naticopsis
indica
L. Waagen, 1880 †
(FOSSIL)

Naticopsis
inflata
(A. Römer, 1843 †)
(FOSSIL)

Naticopsis
inornata
J.J.F. Whiteaves, 1892 †
(FOSSIL)

Naticopsis
insculpta
J. Perner, 1903 †
(FOSSIL)

Naticopsis
involuta
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
irregularis
J. Perner, 1903 †
(FOSSIL)

Naticopsis
judithae
Knight, 1933 †
(FOSSIL)

Naticopsis
kaibabensis
Chronic, 1952 †
(FOSSIL)

Naticopsis
kansuensis
Yin, 1932 †
(FOSSIL)

Naticopsis
kayseri
Holzapfel, 1895 †
(FOSSIL)

Naticopsis
koljanuriensis
Mazaev, 2015 †
(FOSSIL)

Naticopsis
ladina
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
laeta
J. Perner, 1903 †
(FOSSIL)

Naticopsis
laubei
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
levis
(F.B. Meek, 1873 †)
(FOSSIL)

Naticopsis
limneiformis
(Laube, 1868 †)
(FOSSIL)

Naticopsis
manitobensis
J.J.F. Whiteaves, 1892 †
(FOSSIL)

Naticopsis
marginata
(A. Römer, 1843 †)
(FOSSIL)

Naticopsis
mariona
Thein & Nitecki, 1974 †
(FOSSIL)

Naticopsis
marthaae
Knight, 1933 †
(FOSSIL)

Naticopsis
mediterranea
C. Gemmellaro, 1889 †
(FOSSIL)

Naticopsis
microtricha
(A. Römer, 1843 †)
(FOSSIL)

Naticopsis
minima
(J. Brown, 1841 †)
(FOSSIL)

Naticopsis
minoensis
I. Hayasaka, 1943 †
(FOSSIL)

Naticopsis
naticaeformis
Karczewski, 1989 †
(FOSSIL)

Naticopsis
nexicosta
(B. Phillips, 1841 †)
(FOSSIL)

Naticopsis
oncochiliformis
C. Gemmellaro, 1889 †
(FOSSIL)

Naticopsis
opimavoluta
E.G. Linsley, 1968 †
(FOSSIL)

Naticopsis
osbornei
E.K. Yoo, 1988 †
(FOSSIL)

Naticopsis
ovoidea
de Koninck, 1881 †
(FOSSIL)

Naticopsis
ovulum
L. Waagen, 1880 †
(FOSSIL)

Naticopsis
paucivolutus
Weller, 1906 †
(FOSSIL)

Naticopsis
pegmihumerosa
E.G. Linsley, 1968 †
(FOSSIL)

Naticopsis
oblatus
Winters, 1963 †
(FOSSIL)

Naticopsis
petricola
C. Gemmellaro, 1889 †
(FOSSIL)

Naticopsis
phillipsi
(F. McCoy, 1844 †)
(FOSSIL)

Naticopsis
planapicula
Wang, 1980 †
(FOSSIL)

Naticopsis
planifrons
E.G. Linsley, 1968 †
(FOSSIL)

Naticopsis
plebeia
J. Perner, 1903 †
(FOSSIL)

Naticopsis
plena
J. Perner, 1903 †
(FOSSIL)

Naticopsis
plicatella
C. Gemmellaro, 1889 †
(FOSSIL)

Naticopsis
plicatula
J. Perner, 1903 †
(FOSSIL)

Naticopsis
primigenia
(d'Eichwald, 1859 †)
(FOSSIL)

Naticopsis
priscus
C. Gemmellaro, 1889 †
(FOSSIL)

Naticopsis
protei
(G.A. Goldfuss, 1844 †)
(FOSSIL)

Naticopsis
protogaea
(G.A. Goldfuss, 1844 †)
(FOSSIL)

Naticopsis
purpura
(A. Römer, 1850 †)
(FOSSIL)

Naticopsis
remex
(White, 1876 †)
(FOSSIL)

Naticopsis
ribletella
Tong & Erwin, 2001 †
(FOSSIL)

Naticopsis
ruchholzi
(Gischler & al., 2004 †)
(FOSSIL)

Naticopsis
scintilla
Girty, 1915 †
(FOSSIL)

Naticopsis
semistriata
(G.G. Münster, 1840 †)
(FOSSIL)

Naticopsis
sessilis
Reed, 1944 †
(FOSSIL)

Naticopsis
sirodoti
(E.C. Munier-Chalmas, 1876 †)
(FOSSIL)

Naticopsis
spallanzanii
C. Gemmellaro, 1889 †
(FOSSIL)

Naticopsis
spectata
Reed, 1944 †
(FOSSIL)

Naticopsis
sumatrensis
F.A. Roemer, 1880 †
(FOSSIL)

Naticopsis
suturicompta
E.L. Yochelson & Dutro, 1960 †
(FOSSIL)

Naticopsis
taemasensis
Tassell, 1982 †
(FOSSIL)

Naticopsis
tayloriana
Girty, 1910 †
(FOSSIL)

Naticopsis
telleri
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
tortum
(F.B. Meek, 1872 †)
(FOSSIL)

Naticopsis
transversa
(Beede, 1907 †)
(FOSSIL)

Naticopsis
trautscholdi
Fliegel, 1901 †
(FOSSIL)

Naticopsis
trevorpaticiciorum
Peel, 1975 †
(FOSSIL)

Naticopsis
tschernyschewi
Yakowlew, 1899 †
(FOSSIL)

Naticopsis
tumescens
J. Perner, 1903 †
(FOSSIL)

Naticopsis
variata
(B. Phillips, 1836 †)
(FOSSIL)

Naticopsis
velox
J. Perner, 1903 †
(FOSSIL)

Naticopsis
virgata
Knight, 1933 †
(FOSSIL)

Naticopsis
waageni
C. Gemmellaro, 1889 †
(FOSSIL)

Naticopsis
wakehami
A.H. Clarke, 1908 †
(FOSSIL)

Naticopsis
wakimizui
I. Hayasaka, 1943 †
(FOSSIL)

Naticopsis
waterlooensis
Weller, 1916 †
(FOSSIL)

Naticopsis
wortheniana
Knight, 1934 †
(FOSSIL)

Naticopsis
yinganensis
Qiao, 1983 †
(FOSSIL)

Naticopsis
gigantea
J.W. Hall & R.P. Whitfield, 1873 †
(FOSSIL)

Naticopsis
impressa
Münster, 1841 †
(FOSSIL)

Naticopsis
arenicola
(L. Waagen, 1880 †)
(FOSSIL)

Naticopsis
minuta
E.K. Yoo, 1994 †
(FOSSIL)

Naticopsis
minuta
Tolmachoff, 1930 †
(FOSSIL)

Naticopsis
oblata
Winters, 1963 †
(FOSSIL)

Naticopsis
depressa
(Winchell, 1863 †)
(FOSSIL)

Naticopsis
inornata
Walcott, 1884 †
(FOSSIL)

Naticopsis
deformis
Yin, 1932 †
(FOSSIL)

Naticopsis
ambiensis
Reed, 1944 †
(FOSSIL)

Naticopsis
meeki
Knight, 1933 †
(FOSSIL)

Naticopsis
declivis
(F. McCoy, 1844 †)
(FOSSIL)

Naticopsis
depresispirus
(F. McCoy, 1844 †)
(FOSSIL)

Naticopsis
eyerichi
(F. McCoy, 1844 †)
(FOSSIL)

Naticopsis
minuta
L. Waagen 1880 †
(FOSSIL)

Naticopsis
brevispira
F.A. Roemer, 1880 †
(FOSSIL)

Naticopsis
antiqua
G.A. Goldfuss, 1844 †
(FOSSIL)

Naticopsis
macrostoma
C.L.F. von Sandberger & C.L.F. von Sandberger, 1854 †
(FOSSIL)

Naticopsis
nana
F.B. Meek & A.H. Worthen, 1860 †
(FOSSIL)

Naticopsis
nodosa
F.B. Meek & A.H. Worthen, 1860 †
(FOSSIL)

Naticopsis
wheeleri
Swallow, 1860 †
(FOSSIL)

Naticopsis
kinkelini
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
uhligi
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
zitteli
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
inaequiplicata
Klipstein, 1843 †
(FOSSIL)

Naticopsis
meridionalis
B. Phillips, 1841 †
(FOSSIL)

Naticopsis
monilifera
White, 1880 †
(FOSSIL)

Naticopsis
cassiana
Wissmann, 1841 †
(FOSSIL)

Naticopsis
antiquata
J. Perner, 1903 †
(FOSSIL)

Naticopsis
pseudoangusta
E.A.L. Kittl, 1894 †
(FOSSIL)

Naticopsis
altonensis
Norwood & Pratten, 1855 †
(FOSSIL)

Naticopsis
ventricosa
Norwood & Pratten, 1855 †
(FOSSIL)

Naticopsis
buttsi
Gordon Jr. & E.L. Yochelson, 1982 †
(FOSSIL)

Naticopsis
clinovata
W.J. Gordon & E.L. Yochelson, 1987 †
(FOSSIL)

Naticopsis
consimilis
de Koninck, 1881 †
(FOSSIL)

Naticopsis
elongata
(B. Phillips, 1836 †)
(FOSSIL)

Naticopsis
excentrica
(A. Römer, 1843 †)
(FOSSIL)

Naticopsis
globulina
de Koninck, 1881 †
(FOSSIL)

Naticopsis
glomerosa
W.J. Gordon & E.L. Yochelson, 1983 †
(FOSSIL)

Naticopsis
heshanensis
Pan & Erwin, 2002 †
(FOSSIL)

Naticopsis
khurensis
(L. Waagen, 1880 †)
(FOSSIL)

Naticopsis
lilydalensis
Cresswell, 1893 †
(FOSSIL)

Naticopsis
minuta
C. Gemmellaro, 1889 †
(FOSSIL)

Naticopsis
ninglangensis
Pan & Erwin, 2002 †
(FOSSIL)

Naticopsis
piriformis
Mansuy, 1912 †
(FOSSIL)

Naticopsis
planispira
(B. Phillips, 1836 †)
(FOSSIL)

Naticopsis
praealta
J. Wanner, 1922 †
(FOSSIL)

Naticopsis
shizishanensis
Pan & Erwin, 2002 †
(FOSSIL)

Naticopsis
shumardi
(McChesney, 1859 †)
(FOSSIL)

Naticopsis
signata
E.F.R.K. Koken, 1900 †
(FOSSIL)

Naticopsis
utahensis
Batten & A. Stokes, 1986 †
(FOSSIL)

Naticopsis
ziczac
R.P. Whitfield, 1882 †
(FOSSIL)

Naticopsis
sublimneiformis
E.A.L. Kittl, 1894 †
(FOSSIL)

Naticopsis
ableptis
Batten, 1974 †
(FOSSIL)

Naticopsis
aequistriata
(F.B. Meek, 1873 †)
(FOSSIL)

Naticopsis
altoni
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
apachensis
Winters, 1963 †
(FOSSIL)

Naticopsis
apollinis
J. Perner, 1907 †
(FOSSIL)

Naticopsis
bowsheri
Blodgett, 1992 †
(FOSSIL)

Naticopsis
carleyana
(J.W. Hall, 1856 †)
(FOSSIL)

Naticopsis
carlyana
(J.W. Hall, 1856 †)
(FOSSIL)

Naticopsis
chesterensis
(Swallow, 1863 †)
(FOSSIL)

Naticopsis
comperta
(J.W. Hall, 1879 †)
(FOSSIL)

Naticopsis
confusa
J. Perner, 1903 †
(FOSSIL)

Naticopsis
consobrina
J. Perner, 1903 †
(FOSSIL)

Naticopsis
convoluta
Heidelberger, 2001 †
(FOSSIL)

Naticopsis
cretacea
(J.W. Hall & R.P. Whitfield, 1873 †)
(FOSSIL)

Naticopsis
deformis
Girty, 1909 †
(FOSSIL)

Naticopsis
depressa
(Stache, 1877 †)
(FOSSIL)

Naticopsis
dianae
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
efossa
(G.A. Goldfuss, 1844 †)
(FOSSIL)

Naticopsis
elegantula
Fliegel, 1901 †
(FOSSIL)

Naticopsis
elliptica
(B. Phillips, 1836 †)
(FOSSIL)

Naticopsis
errans
J. Perner, 1903 †
(FOSSIL)

Naticopsis
eruca
(J. Perner, 1907 †)
(FOSSIL)

Naticopsis
expansa
(Laube, 1868 †)
(FOSSIL)

Naticopsis
extensa
C.O. Waterhouse, 1963 †
(FOSSIL)

Naticopsis
fasciata
I. Hayasaka, 1943 †
(FOSSIL)

Naticopsis
gaderana
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
gaillardoti
(Lefroy, 1826 †)
(FOSSIL)

Naticopsis
genevievensis
(F.B. Meek & A.H. Worthen, 1867 †)
(FOSSIL)

Naticopsis
globosa
(Hoeninghaus, 1829 †)
(FOSSIL)

Naticopsis
gracilis
R.M. Branson, 1930 †
(FOSSIL)

Naticopsis
guizhouensis
Pan, 1982 †
(FOSSIL)

Naticopsis
hallii
Whidborne, 1892 †
(FOSSIL)

Naticopsis
indica
L. Waagen, 1880 †
(FOSSIL)

Naticopsis
inflata
(A. Römer, 1843 †)
(FOSSIL)

Naticopsis
inornata
J.J.F. Whiteaves, 1892 †
(FOSSIL)

Naticopsis
insculpta
J. Perner, 1903 †
(FOSSIL)

Naticopsis
involuta
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
irregularis
J. Perner, 1903 †
(FOSSIL)

Naticopsis
judithae
Knight, 1933 †
(FOSSIL)

Naticopsis
kaibabensis
Chronic, 1952 †
(FOSSIL)

Naticopsis
kansuensis
Yin, 1932 †
(FOSSIL)

Naticopsis
kayseri
Holzapfel, 1895 †
(FOSSIL)

Naticopsis
koljanuriensis
Mazaev, 2015 †
(FOSSIL)

Naticopsis
ladina
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
laeta
J. Perner, 1903 †
(FOSSIL)

Naticopsis
laubei
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
levis
(F.B. Meek, 1873 †)
(FOSSIL)

Naticopsis
limneiformis
(Laube, 1868 †)
(FOSSIL)

Naticopsis
manitobensis
J.J.F. Whiteaves, 1892 †
(FOSSIL)

Naticopsis
marginata
(A. Römer, 1843 †)
(FOSSIL)

Naticopsis
mariona
Thein & Nitecki, 1974 †
(FOSSIL)

Naticopsis
marthaae
Knight, 1933 †
(FOSSIL)

Naticopsis
mediterranea
C. Gemmellaro, 1889 †
(FOSSIL)

Naticopsis
microtricha
(A. Römer, 1843 †)
(FOSSIL)

Naticopsis
minima
(J. Brown, 1841 †)
(FOSSIL)

Naticopsis
minoensis
I. Hayasaka, 1943 †
(FOSSIL)

Naticopsis
naticaeformis
Karczewski, 1989 †
(FOSSIL)

Naticopsis
nexicosta
(B. Phillips, 1841 †)
(FOSSIL)

Naticopsis
oncochiliformis
C. Gemmellaro, 1889 †
(FOSSIL)

Naticopsis
opimavoluta
E.G. Linsley, 1968 †
(FOSSIL)

Naticopsis
osbornei
E.K. Yoo, 1988 †
(FOSSIL)

Naticopsis
ovoidea
de Koninck, 1881 †
(FOSSIL)

Naticopsis
ovulum
L. Waagen, 1880 †
(FOSSIL)

Naticopsis
paucivolutus
Weller, 1906 †
(FOSSIL)

Naticopsis
pegmihumerosa
E.G. Linsley, 1968 †
(FOSSIL)

Naticopsis
oblatus
Winters, 1963 †
(FOSSIL)

Naticopsis
petricola
C. Gemmellaro, 1889 †
(FOSSIL)

Naticopsis
phillipsi
(F. McCoy, 1844 †)
(FOSSIL)

Naticopsis
planapicula
Wang, 1980 †
(FOSSIL)

Naticopsis
planifrons
E.G. Linsley, 1968 †
(FOSSIL)

Naticopsis
plebeia
J. Perner, 1903 †
(FOSSIL)

Naticopsis
plena
J. Perner, 1903 †
(FOSSIL)

Naticopsis
plicatella
C. Gemmellaro, 1889 †
(FOSSIL)

Naticopsis
plicatula
J. Perner, 1903 †
(FOSSIL)

Naticopsis
primigenia
(d'Eichwald, 1859 †)
(FOSSIL)

Naticopsis
priscus
C. Gemmellaro, 1889 †
(FOSSIL)

Naticopsis
protei
(G.A. Goldfuss, 1844 †)
(FOSSIL)

Naticopsis
protogaea
(G.A. Goldfuss, 1844 †)
(FOSSIL)

Naticopsis
purpura
(A. Römer, 1850 †)
(FOSSIL)

Naticopsis
remex
(White, 1876 †)
(FOSSIL)

Naticopsis
ribletella
Tong & Erwin, 2001 †
(FOSSIL)

Naticopsis
ruchholzi
(Gischler & al., 2004 †)
(FOSSIL)

Naticopsis
scintilla
Girty, 1915 †
(FOSSIL)

Naticopsis
semistriata
(G.G. Münster, 1840 †)
(FOSSIL)

Naticopsis
sessilis
Reed, 1944 †
(FOSSIL)

Naticopsis
sirodoti
(E.C. Munier-Chalmas, 1876 †)
(FOSSIL)

Naticopsis
spallanzanii
C. Gemmellaro, 1889 †
(FOSSIL)

Naticopsis
spectata
Reed, 1944 †
(FOSSIL)

Naticopsis
sumatrensis
F.A. Roemer, 1880 †
(FOSSIL)

Naticopsis
suturicompta
E.L. Yochelson & Dutro, 1960 †
(FOSSIL)

Naticopsis
taemasensis
Tassell, 1982 †
(FOSSIL)

Naticopsis
tayloriana
Girty, 1910 †
(FOSSIL)

Naticopsis
telleri
E.A.L. Kittl, 1892 †
(FOSSIL)

Naticopsis
tortum
(F.B. Meek, 1872 †)
(FOSSIL)

Naticopsis
transversa
(Beede, 1907 †)
(FOSSIL)

Naticopsis
trautscholdi
Fliegel, 1901 †
(FOSSIL)

Naticopsis
trevorpaticiciorum
Peel, 1975 †
(FOSSIL)

Naticopsis
tschernyschewi
Yakowlew, 1899 †
(FOSSIL)

Naticopsis
tumescens
J. Perner, 1903 †
(FOSSIL)

Naticopsis
variata
(B. Phillips, 1836 †)
(FOSSIL)

Naticopsis
velox
J. Perner, 1903 †
(FOSSIL)

Naticopsis
virgata
Knight, 1933 †
(FOSSIL)

Naticopsis
waageni
C. Gemmellaro, 1889 †
(FOSSIL)

Naticopsis
wakehami
A.H. Clarke, 1908 †
(FOSSIL)

Naticopsis
wakimizui
I. Hayasaka, 1943 †
(FOSSIL)

Naticopsis
waterlooensis
Weller, 1916 †
(FOSSIL)

Naticopsis
wortheniana
Knight, 1934 †
(FOSSIL)

Naticopsis
yinganensis
Qiao, 1983 †
(FOSSIL)

Naticopsis
gigantea
J.W. Hall & R.P. Whitfield, 1873 †
(FOSSIL)

Naticopsis
impressa
Münster, 1841 †
(FOSSIL)

Naticopsis
arenicola
(L. Waagen, 1880 †)
(FOSSIL)

Naticopsis
minuta
E.K. Yoo, 1994 †
(FOSSIL)

Naticopsis
minuta
Tolmachoff, 1930 †
(FOSSIL)

Naticopsis
oblata
Winters, 1963 †
(FOSSIL)

Naticopsis
depressa
(Winchell, 1863 †)
(FOSSIL)

Naticopsis
inornata
Walcott, 1884 †
(FOSSIL)

Naticopsis
deformis
Yin, 1932 †
(FOSSIL)

Naticopsis
ambiensis
Reed, 1944 †
(FOSSIL)

Naticopsis
meeki
Knight, 1933 †
(FOSSIL)

Naticopsis
declivis
(F. McCoy, 1844 †)
(FOSSIL)

Naticopsis
depresispirus
(F. McCoy, 1844 †)
(FOSSIL)

Naticopsis
eyerichi
(F. McCoy, 1844 †)
(FOSSIL)

Naticopsis
minuta
L. Waagen 1880 †
(FOSSIL)

Platychilina
obliqua
Tong & Erwin, 2001 †
(FOSSIL)

Platychilina
pustulosa
(Münster, 1841 †)
(FOSSIL)

Platychilina
sinensis
Tong & Erwin, 2001 †
(FOSSIL)

Platychilina
singularis
E.A.L. Kittl, 1894 †
(FOSSIL)

Platychilina
tuberculata
E.A.L. Kittl, 1894 †
(FOSSIL)