Arabitrigonia
pillayi
M.R. Cooper, 2016 †
(FOSSIL)

Arabitrigonia
schneideri
M.R. Cooper, 2016 †
(FOSSIL)

Arabitrigonia
pseudocrenulata
(Noetling 1886) †
(FOSSIL)

Gabbigonia
marionensis
(Stephenson, 1923) †
(FOSSIL)

Linotrigonia
linifera
van Hoepen, 1929 †
(FOSSIL)

Linotrigonia
nibelaensis
M. Cooper, 1989 †
(FOSSIL)

Linotrigonia
plumosa
van Hoepen, 1929 †
(FOSSIL)

Linotrigonia
venusta
van Hoepen, 1929 †
(FOSSIL)

Linotrigonia
chongi
A.M. Pérez & Reyes, 1983 †
(FOSSIL)

Notoscabrotrigonia
coheni
Leanza 1993 †
(FOSSIL)

Oistotrigonia
lima
Glaessner, 1958 †
(FOSSIL)

Oistotrigonia
austronana
J.D. Stilwell & J.L. Gallagher, 2009 †
(FOSSIL)

Oistotrigonia
alekseitschiki
(Saveliev, 1958 †)
(FOSSIL)

Oistotrigonia
convexa
(Saveliev, 1958 †)
(FOSSIL)

Oistotrigonia
dragunovi
(Saveliev, 1958 †)
(FOSSIL)

Oistotrigonia
prima
Kobayashi & Tamura, 1955 †
(FOSSIL)

Oistotrigonia
rectaespinosa
(Saveliev, 1958 †)
(FOSSIL)

Oistotrigonia
sangmilensis
(Repman, 1967 †)
(FOSSIL)

Oistotrigonia
tamalakensis
(Saveliev, 1958 †)
(FOSSIL)

Oistotrigonia
pumila
(Nilsson, 1827) †
(FOSSIL)

Oistotrigonia
subovata
(Lycett, 1877) †
(FOSSIL)

Oistotrigonia
vicaryana
(Lycett, 1875) †
(FOSSIL)

Oistotrigonia
asiatica
(Saveliev, 1958) †
(FOSSIL)

Oistotrigonia
spinosa
(Parkinson, 1811) †
(FOSSIL)

Oistotrigonia
upwarensis
(Lycett, 1875) †
(FOSSIL)

Oistotrigonia
lamarckii
(Matheron, 1842) †
(FOSSIL)

Oistotrigonia
verneuili
(Vilanova, 1863) †
(FOSSIL)

Oistotrigonia
pavlovi
(Stremooukhov, 1896) †
(FOSSIL)

Oistotrigonia
tenuisulcata
(Dujardin, 1837) †
(FOSSIL)

Oistotrigonia
pseudospinosa
(de Loriol, 1882) †
(FOSSIL)

Pisotrigonia
feruglioi
(Pianitzky, 1938 †)
(FOSSIL)

Pisotrigonia
kraussi
(Kitchin, 1908 †)
(FOSSIL)

Pisotrigonia
lopezensis
(Fuenzalida, 1965 †)
(FOSSIL)

Pisotrigonia
reayi
(Fleming, 1987 †)
(FOSSIL)

Pisotrigonia
salebrosa
van Hoepen, 1929 †
(FOSSIL)

Pisotrigonia
subventricosa
(Stanton, 1901 †)
(FOSSIL)

Pisotrigonia
verrucosa
(Skwarko, 1968 †)
(FOSSIL)

Pterotrigonia
mashikensis
Tamura & Tashiro, 1967 †
(FOSSIL)

Pterotrigonia
monobeana
Tashiro & Kozai, 1982 †
(FOSSIL)

Pterotrigonia
pustulosa
(T. Nagao, 1930 †)
(FOSSIL)

Pterotrigonia
thoracica
(Morton, 1834 †)
(FOSSIL)

Pterotrigonia
eufaulensis
(W.M. Gabb, 1860 †)
(FOSSIL)

Pterotrigonia
cristata
van Hoepen, 1929 †
(FOSSIL)

Pterotrigonia
eufaulensis
(L.W. Stephenson, 1941 †)
(FOSSIL)

Pterotrigonia
eufaulensis
(L.W. Stephenson, 1941 †)
(FOSSIL)

Pterotrigonia
aliformis
(Parkinson †)
(FOSSIL)

Pterotrigonia
scabra
(J.B.P.A. Lamarck, 1819 †)
(FOSSIL)

Pterotrigonia
pseudocaudata
van Hoepen 1929 †
(FOSSIL)

Pterotrigonia
borgesi
(Rennie, 1945 †)
(FOSSIL)

Pterotrigonia
cazadoriana
(R.O. Wilckens, 1907 †)
(FOSSIL)

Pterotrigonia
shepstonei
(Griesbach, 1871 †)
(FOSSIL)

Pterotrigonia
jubata
van Hoepen, 1929 †
(FOSSIL)

Pterotrigonia
setosa
van Hoepen, 1929 †
(FOSSIL)

Pterotrigonia
flava
Griffin & Valera, 2012 †
(FOSSIL)

Pterotrigonia
aliformis
J. Lycett, 1875 †
(FOSSIL)

Pterotrigonia
etheridgi
(Lycett) †
(FOSSIL)

Pterotrigonia
scabricola
(Lycett) †
(FOSSIL)

Pterotrigonia
vectiana
(Lycett) †
(FOSSIL)

Pterotrigonia
limbata
(d'Orbigny, 1844) †
(FOSSIL)

Pterotrigonia
melhasei
(F.M. Anderson, 1958) †
(FOSSIL)

Pterotrigonia
moriana
(Yehara 1927) †
(FOSSIL)

Pterotrigonia
transatlantica
(Behrendsen 1892) †
(FOSSIL)

Pterotrigonia
thomsoni
Kelly 1995 †
(FOSSIL)

Pterotrigonia
mashikensis
Tamura & Tashiro, 1967 †
(FOSSIL)

Pterotrigonia
monobeana
Tashiro & Kozai, 1982 †
(FOSSIL)

Pterotrigonia
pustulosa
(T. Nagao, 1930 †)
(FOSSIL)

Pterotrigonia
thoracica
(Morton, 1834 †)
(FOSSIL)

Pterotrigonia
eufaulensis
(W.M. Gabb, 1860 †)
(FOSSIL)

Pterotrigonia
cristata
van Hoepen, 1929 †
(FOSSIL)

Pterotrigonia
eufaulensis
(L.W. Stephenson, 1941 †)
(FOSSIL)

Pterotrigonia
eufaulensis
(L.W. Stephenson, 1941 †)
(FOSSIL)

Pterotrigonia
aliformis
(Parkinson †)
(FOSSIL)

Pterotrigonia
scabra
(J.B.P.A. Lamarck, 1819 †)
(FOSSIL)

Pterotrigonia
pseudocaudata
van Hoepen 1929 †
(FOSSIL)

Pterotrigonia
borgesi
(Rennie, 1945 †)
(FOSSIL)

Pterotrigonia
cazadoriana
(R.O. Wilckens, 1907 †)
(FOSSIL)

Pterotrigonia
shepstonei
(Griesbach, 1871 †)
(FOSSIL)

Pterotrigonia
jubata
van Hoepen, 1929 †
(FOSSIL)

Pterotrigonia
setosa
van Hoepen, 1929 †
(FOSSIL)

Pterotrigonia
flava
Griffin & Valera, 2012 †
(FOSSIL)

Pterotrigonia
aliformis
J. Lycett, 1875 †
(FOSSIL)

Pterotrigonia
etheridgi
(Lycett) †
(FOSSIL)

Pterotrigonia
scabricola
(Lycett) †
(FOSSIL)

Pterotrigonia
vectiana
(Lycett) †
(FOSSIL)

Pterotrigonia
limbata
(d'Orbigny, 1844) †
(FOSSIL)

Pterotrigonia
melhasei
(F.M. Anderson, 1958) †
(FOSSIL)

Pterotrigonia
moriana
(Yehara 1927) †
(FOSSIL)

Pterotrigonia
transatlantica
(Behrendsen 1892) †
(FOSSIL)

Pterotrigonia
thomsoni
Kelly 1995 †
(FOSSIL)

Pterotrigonia
mashikensis
Tamura & Tashiro, 1967 †
(FOSSIL)

Pterotrigonia
monobeana
Tashiro & Kozai, 1982 †
(FOSSIL)

Pterotrigonia
pustulosa
(T. Nagao, 1930 †)
(FOSSIL)

Pterotrigonia
thoracica
(Morton, 1834 †)
(FOSSIL)

Pterotrigonia
eufaulensis
(W.M. Gabb, 1860 †)
(FOSSIL)

Pterotrigonia
cristata
van Hoepen, 1929 †
(FOSSIL)

Pterotrigonia
eufaulensis
(L.W. Stephenson, 1941 †)
(FOSSIL)

Pterotrigonia
eufaulensis
(L.W. Stephenson, 1941 †)
(FOSSIL)

Pterotrigonia
aliformis
(Parkinson †)
(FOSSIL)

Pterotrigonia
scabra
(J.B.P.A. Lamarck, 1819 †)
(FOSSIL)

Pterotrigonia
pseudocaudata
van Hoepen 1929 †
(FOSSIL)

Pterotrigonia
borgesi
(Rennie, 1945 †)
(FOSSIL)

Pterotrigonia
cazadoriana
(R.O. Wilckens, 1907 †)
(FOSSIL)

Pterotrigonia
shepstonei
(Griesbach, 1871 †)
(FOSSIL)

Pterotrigonia
jubata
van Hoepen, 1929 †
(FOSSIL)

Pterotrigonia
setosa
van Hoepen, 1929 †
(FOSSIL)

Pterotrigonia
flava
Griffin & Valera, 2012 †
(FOSSIL)

Pterotrigonia
aliformis
J. Lycett, 1875 †
(FOSSIL)

Pterotrigonia
etheridgi
(Lycett) †
(FOSSIL)

Pterotrigonia
scabricola
(Lycett) †
(FOSSIL)

Pterotrigonia
vectiana
(Lycett) †
(FOSSIL)

Pterotrigonia
limbata
(d'Orbigny, 1844) †
(FOSSIL)

Pterotrigonia
melhasei
(F.M. Anderson, 1958) †
(FOSSIL)

Pterotrigonia
moriana
(Yehara 1927) †
(FOSSIL)

Pterotrigonia
transatlantica
(Behrendsen 1892) †
(FOSSIL)

Pterotrigonia
thomsoni
Kelly 1995 †
(FOSSIL)

Ptilotrigonia
bullennewtoni
van Hoepen, 1929 †
(FOSSIL)

Ptilotrigonia
lauta
van Hoepen, 1929 †
(FOSSIL)

Ptilotrigonia
lautissima
van Hoepen, 1929 †
(FOSSIL)

Ptilotrigonia
plebeia
van Hoepen, 1929 †
(FOSSIL)

Ptilotrigonia
ogawai
(Yehara 1923) †
(FOSSIL)

Rinetrigonia
baccifera
(R.A. Philippi, 1899 †)
(FOSSIL)

Rinetrigonia
delafossei
(C.É. Bayle & Coquand, 1851 †)
(FOSSIL)

Rinetrigonia
ghuneriensis
(Rudra & Bardhan, 2006 †)
(FOSSIL)

Rinetrigonia
glaphyra
(R.A. Philippi, 1899 †)
(FOSSIL)

Rinetrigonia
kitchini
(Rudra & Bardhan, 2006 †)
(FOSSIL)

Rinetrigonia
laevicosta
(Cooper, 1989 †)
(FOSSIL)

Rinetrigonia
mccarthyi
(Cooper, 1989 †)
(FOSSIL)

Rinetrigonia
muelleri
(Dietrich, 1933 †)
(FOSSIL)

Rinetrigonia
nullorum
(J.L. Levy, 1985 †)
(FOSSIL)

Rinetrigonia
parva
(van Hoepen, 1929 †)
(FOSSIL)

Rinetrigonia
tuberculifera
(F. Stoliczka, 1871 †)
(FOSSIL)

Rinetrigonia
ventricosa
(C.F.F. von Krauss, 1843 †)
(FOSSIL)