Abylea
insolitus
Hoare & al., 1997 †
(FOSSIL)

Abylea
minuta
Sturgeon, 1964 †
(FOSSIL)

Abylea
paradoxus
Hoare & al., 1997 †
(FOSSIL)

Angyomphalus
depressus
G.B. Campbell & H. Engel, 1963 †
(FOSSIL)

Angyomphalus
excavatus
Easton, 1962 †
(FOSSIL)

Angyomphalus
junior
(de Koninck, 1881 †)
(FOSSIL)

Angyomphalus
junius
(Whidborne, 1892 †)
(FOSSIL)

Angyomphalus
kentuckiensis
Thein & Nitecki, 1974 †
(FOSSIL)

Angyomphalus
lens
(J.W. Hall, 1860 †)
(FOSSIL)

Angyomphalus
longicostatus
H. Guo, 1983 †
(FOSSIL)

Angyomphalus
multicostatus
H. Guo, 1983 †
(FOSSIL)

Angyomphalus
northviewensis
(R.M. Branson, 1938 †)
(FOSSIL)

Angyomphalus
penelenticulata
Rollins, 1975 †
(FOSSIL)

Angyomphalus
radianodosus
E.K. Yoo, 1994 †
(FOSSIL)

Angyomphalus
desultoria
Jeffery & al., 1994 †
(FOSSIL)

Angyomphalus
discus
(Girty, 1910 †)
(FOSSIL)

Angyomphalus
radians
(de Koninck, 1843 †)
(FOSSIL)

Angyomphalus
regularis
W.J. Gordon & E.L. Yochelson, 1987 †
(FOSSIL)

Angyomphalus
subplana
Gromczakiewicz-Lomnicka, 1972 †
(FOSSIL)

Angyomphalus
moniliferus
White, 1880 †
(FOSSIL)

Angyomphalus
bella
A.E.M. Cossmann 1915 †
(FOSSIL)

Angyomphalus
congletonensis
Peel, 2016 †
(FOSSIL)

Angyomphalus
minutus
Sayre, 1930 †
(FOSSIL)

Apachella
arizonensis
Winters, 1963 †
(FOSSIL)

Apachella
boydi
Kulas & Batten, 1997 †
(FOSSIL)

Apachella
brachysiphon
Batten, 1972 †
(FOSSIL)

Apachella
capertoni
(Beede, 1907 †)
(FOSSIL)

Apachella
exaggerata
Batten, 1989 †
(FOSSIL)

Apachella
franciscana
(Chronic, 1952 †)
(FOSSIL)

Apachella
glabra
Batten, 1989 †
(FOSSIL)

Apachella
huecoensis
Batten, 1989 †
(FOSSIL)

Apachella
malaysia
Batten, 1972 †
(FOSSIL)

Apachella
mulensis
Batten, 1989 †
(FOSSIL)

Apachella
nodosa
Batten, 1989 †
(FOSSIL)

Apachella
nucleola
Wang, 1980 †
(FOSSIL)

Apachella
powwowensis
Batten, 1995 †
(FOSSIL)

Apachella
prodontia
Winters, 1963 †
(FOSSIL)

Apachella
pseudostrigillata
(Girty, 1934 †)
(FOSSIL)

Apachella
texana
(Girty, 1909 †)
(FOSSIL)

Apachella
translirata
Winters, 1956 †
(FOSSIL)

Apachella
turbiniformis
Winters, 1963 †
(FOSSIL)

Austroneilsonia
gundyensis
E.K. Yoo, 1988 †
(FOSSIL)

Austroneilsonia
yooi
Cook & A. Nützel, 2005 †
(FOSSIL)

Balbinipleura
koninckii
K. Bandel & Frýda, 1996 †
(FOSSIL)

Balbinipleura
krawczynskii
Frýda & Blodgett, 2004 †
(FOSSIL)

Balbinipleura
sextalineata
Heidelberger, 2001 †
(FOSSIL)

Barrealispira
tupensis
Sabattini & al., 1991 †
(FOSSIL)

Baylea
chimbulatiensis
Mazaev, 2015 †
(FOSSIL)

Baylea
coheni
E.L. Yochelson, 1962 †
(FOSSIL)

Baylea
concentrica
(B. Phillips, 1836 †)
(FOSSIL)

Baylea
cordulae
Heidelberger & al., 2009 †
(FOSSIL)

Baylea
delawarensis
(Girty, 1909 †)
(FOSSIL)

Baylea
derongensis
Pan & Yu, 1993 †
(FOSSIL)

Baylea
foraminata
Mazaev, 2015 †
(FOSSIL)

Baylea
giffordi
A.H. Worthen, 1884 †
(FOSSIL)

Baylea
heterocarinata
Pan, 1985 †
(FOSSIL)

Baylea
huecoensis
Batten, 1989 †
(FOSSIL)

Baylea
inclinata
Weller, 1929 †
(FOSSIL)

Baylea
knighti
Weller, 1929 †
(FOSSIL)

Baylea
kuesi
Batten, 1995 †
(FOSSIL)

Baylea
minuta
Weller, 1916 †
(FOSSIL)

Baylea
nemdaensis
Mazaev, 2015 †
(FOSSIL)

Baylea
parva
(A. Thomas, 1940 †)
(FOSSIL)

Baylea
perthensis
Dickins, 1963 †
(FOSSIL)

Baylea
queerlingensis
Wang, 1982 †
(FOSSIL)

Baylea
rigida
Mazaev, 2015 †
(FOSSIL)

Baylea
sinuatus
(Weller, 1916 †)
(FOSSIL)

Baylea
spirolirata
Batten, 1966 †
(FOSSIL)

Baylea
subconstricta
(F.B. Meek & A.H. Worthen, 1860 †)
(FOSSIL)

Baylea
subpenea
Netchaev, 1894 †
(FOSSIL)

Baylea
supercrenata
Weller, 1929 †
(FOSSIL)

Baylea
tabulata
(B. Phillips, 1836 †)
(FOSSIL)

Baylea
teicherti
Cook & al., 2003 †
(FOSSIL)

Baylea
trifibra
Rollins, 1975 †
(FOSSIL)

Baylea
turbinata
Xi, 1980 †
(FOSSIL)

Baylea
verneuili
Heidelberger, 2001 †
(FOSSIL)

Baylea
vjatkensis
Mazaev, 2015 †
(FOSSIL)

Baylea
weiningensis
Xi, 1994 †
(FOSSIL)

Baylea
yabeshigerui
O. Kobayashi, 1931 †
(FOSSIL)

Baylea
yvanii
(Léveillé, 1835 †)
(FOSSIL)

Baylea
durga
(L. Waagen, 1880 †)
(FOSSIL)

Baylea
kirillowensis
de Koninck 1881 †
(FOSSIL)

Baylea
umbilicata
A. Nützel & Ketwetsuriya, 2016 †
(FOSSIL)

Bicarina
euomphaloides
(Spitz, 1907 †)
(FOSSIL)

Bicarina
euomphalus
(F. Sandberger, 1853 †)
(FOSSIL)

Bicarina
fasciatum
(G.A. Goldfuss, 1844 †)
(FOSSIL)

Bicarina
onoi
T. Kase & Nishida, 1986 †
(FOSSIL)

Bicarina
petilitornata
(E.G. Linsley, 1968 †)
(FOSSIL)

Bicarina
vittatum
(G.A. Goldfuss, 1844 †)
(FOSSIL)

Bicarina
coluber
(Spitz, 1907 †)
(FOSSIL)

Bicarinella
bicarinata
(C.O. Waterhouse, 1963 †)
(FOSSIL)

Breizospira
hagenensis
Heidelberger & Koch, 2005 †
(FOSSIL)

Buechelia
goldfussi
F. Schlüter, 1894 †
(FOSSIL)

Buechelia
horizontalis
Heidelberger & K. Bandel, 1999 †
(FOSSIL)

Buechelia
nodifera
Heidelberger & Koch, 2005 †
(FOSSIL)

Buechelia
nodosa
Blodgett, 1992 †
(FOSSIL)

Buechelia
tyrrelli
(J.J.F. Whiteaves, 1892 †)
(FOSSIL)

Buechelia
wachtbergi
Heidelberger, 2001 †
(FOSSIL)

Callistadia
nittida
(J. Wanner, 1922 †)
(FOSSIL)

Callistadia
punjabica
(L. Waagen, 1880 †)
(FOSSIL)

Callistadia
qinglongensis
Pan, 1985 †
(FOSSIL)

Callistadia
qubuergaensis
Pan & S. Shen, 2008 †
(FOSSIL)

Calvibembexia
lethiersi
Blodgett & al., 1999 †
(FOSSIL)

Calvibembexia
sulcomarginata
(T.A. Conrad, 1842 †)
(FOSSIL)

Campbellospira
missouriensis
K. Bandel, 2009 †
(FOSSIL)

Cataschisma
exquisita
(Lindström, 1884 †)
(FOSSIL)

Cataschisma
microsoma
E.F.R.K. Koken & J. Perner, 1925 †
(FOSSIL)

Cataschisma
nitida
E.F.R.K. Koken & J. Perner, 1925 †
(FOSSIL)

Cataschisma
pillula
E.F.R.K. Koken & J. Perner, 1925 †
(FOSSIL)

Cataschisma
typica
R.M. Branson, 1909 †
(FOSSIL)

Cataschisma
ulrichi
(Schuchert, 1900 †)
(FOSSIL)

Cataschisma
winkleri
E.F.R.K. Koken & J. Perner, 1925 †
(FOSSIL)

Cataschisma
typa
R.M. Branson, 1909 †
(FOSSIL)

Cataschisma
acuta
Pitcher 1939 †
(FOSSIL)

Cataschisma
mjoela
(E.L. Yochelson, 1963 †)
(FOSSIL)

Cataschisma
acute
Pitcher †
(FOSSIL)

Champernownia
multispira
(C.L.F. von Sandberger & C.L.F. von Sandberger, 1854 †)
(FOSSIL)

Champernownia
wagneri
Heidelberger, 2001 †
(FOSSIL)

Chlupacispira
queenslandicus
Cook & Camilleri 1997 †
(FOSSIL)