Anulifera
yunnanensis
Pan, 1977 †
(FOSSIL)

Anulifera
sigmoidea
Ferrari & Damborenea, 2015 †
(FOSSIL)

Atorcula
acuta
A. Nützel, 1998 †
(FOSSIL)

Atorcula
anoptychopsis
A. Nützel, 1998 †
(FOSSIL)

Atorcula
apicostata
A. Nützel, 1998 †
(FOSSIL)

Moerkeia
praefecta
(E.A.L. Kittl, 1894 †)
(FOSSIL)

Moerkeia
rudis
E.A.L. Kittl, 1894 †
(FOSSIL)

Protorcula
frydai
A. Nützel & al., 2003 †
(FOSSIL)

Protorcula
larica
E.A.L. Kittl, 1899 †
(FOSSIL)

Protorcula
loxonemoides
(E.A.L. Kittl, 1894 †)
(FOSSIL)

Protorcula
matthioli
(Stoppani, 1858 †)
(FOSSIL)

Protorcula
obliquelineata
(E.A.L. Kittl, 1894 †)
(FOSSIL)

Protorcula
permiana
A. Nützel & Nakazawa, 2012 †
(FOSSIL)

Protorcula
pusilla
(Stoppani, 1858 †)
(FOSSIL)

Protorcula
quadricostata
J. Gründel, 2007 †
(FOSSIL)

Protorcula
subpunctata
(Münster, 1841 †)
(FOSSIL)

Protorcula
unicarinata
E.A.L. Kittl, 1899 †
(FOSSIL)

Protorcula
densepunctata
E.A.L. Kittl, 1894 †
(FOSSIL)

Protorcula
excavata
(Laube, 1868 †)
(FOSSIL)

Protorcula
marshalli
A. Nützel, 1998 †
(FOSSIL)

Protorcula
concava
A. Nützel & Erwin, 2004 †
(FOSSIL)

Protorcula
iranica
A. Nützel & al., 2012 †
(FOSSIL)

Undularia
obliquelineata
E.A.L. Kittl, 1894 †
(FOSSIL)

Undularia
ambrosinii
Stoppani, 1858 †
(FOSSIL)

Undularia
brevissima
(E.A.L. Kittl, 1894 †)
(FOSSIL)

Undularia
concava
(Stoppani, 1857 †)
(FOSSIL)

Undularia
fusoides
(Stoppani, 1857 †)
(FOSSIL)

Undularia
pillae
Stoppani, 1858 †
(FOSSIL)

Undularia
brocchi
Stoppani, 1857 †
(FOSSIL)

Undularia
gracilis
F. Haas, 1953 †
(FOSSIL)

Undularia
uniformis
Stoppani, 1858 †
(FOSSIL)

Undularia
bisculpta
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
jaculum
Stoppani, 1858 †
(FOSSIL)

Undularia
ontragnana
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
perspicua
Böhm, 1895 †
(FOSSIL)

Undularia
striifera
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
telescopia
Böhm, 1895 †
(FOSSIL)

Undularia
transitoria
E.A.L. Kittl, 1894 †
(FOSSIL)

Undularia
disputata
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
americana
A. Nützel & Erwin, 2004 †
(FOSSIL)

Undularia
microfurcata
A. Nützel & Senowbari-Daryan, 1999 †
(FOSSIL)

Undularia
obliquelineata
E.A.L. Kittl, 1894 †
(FOSSIL)

Undularia
ambrosinii
Stoppani, 1858 †
(FOSSIL)

Undularia
brevissima
(E.A.L. Kittl, 1894 †)
(FOSSIL)

Undularia
concava
(Stoppani, 1857 †)
(FOSSIL)

Undularia
fusoides
(Stoppani, 1857 †)
(FOSSIL)

Undularia
pillae
Stoppani, 1858 †
(FOSSIL)

Undularia
brocchi
Stoppani, 1857 †
(FOSSIL)

Undularia
gracilis
F. Haas, 1953 †
(FOSSIL)

Undularia
uniformis
Stoppani, 1858 †
(FOSSIL)

Undularia
bisculpta
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
jaculum
Stoppani, 1858 †
(FOSSIL)

Undularia
ontragnana
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
perspicua
Böhm, 1895 †
(FOSSIL)

Undularia
striifera
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
telescopia
Böhm, 1895 †
(FOSSIL)

Undularia
transitoria
E.A.L. Kittl, 1894 †
(FOSSIL)

Undularia
disputata
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
americana
A. Nützel & Erwin, 2004 †
(FOSSIL)

Undularia
microfurcata
A. Nützel & Senowbari-Daryan, 1999 †
(FOSSIL)

Undularia
obliquelineata
E.A.L. Kittl, 1894 †
(FOSSIL)

Undularia
ambrosinii
Stoppani, 1858 †
(FOSSIL)

Undularia
brevissima
(E.A.L. Kittl, 1894 †)
(FOSSIL)

Undularia
concava
(Stoppani, 1857 †)
(FOSSIL)

Undularia
fusoides
(Stoppani, 1857 †)
(FOSSIL)

Undularia
pillae
Stoppani, 1858 †
(FOSSIL)

Undularia
brocchi
Stoppani, 1857 †
(FOSSIL)

Undularia
gracilis
F. Haas, 1953 †
(FOSSIL)

Undularia
uniformis
Stoppani, 1858 †
(FOSSIL)

Undularia
bisculpta
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
jaculum
Stoppani, 1858 †
(FOSSIL)

Undularia
ontragnana
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
perspicua
Böhm, 1895 †
(FOSSIL)

Undularia
striifera
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
telescopia
Böhm, 1895 †
(FOSSIL)

Undularia
transitoria
E.A.L. Kittl, 1894 †
(FOSSIL)

Undularia
disputata
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
americana
A. Nützel & Erwin, 2004 †
(FOSSIL)

Undularia
microfurcata
A. Nützel & Senowbari-Daryan, 1999 †
(FOSSIL)

Undularia
obliquelineata
E.A.L. Kittl, 1894 †
(FOSSIL)

Undularia
ambrosinii
Stoppani, 1858 †
(FOSSIL)

Undularia
brevissima
(E.A.L. Kittl, 1894 †)
(FOSSIL)

Undularia
concava
(Stoppani, 1857 †)
(FOSSIL)

Undularia
fusoides
(Stoppani, 1857 †)
(FOSSIL)

Undularia
pillae
Stoppani, 1858 †
(FOSSIL)

Undularia
brocchi
Stoppani, 1857 †
(FOSSIL)

Undularia
gracilis
F. Haas, 1953 †
(FOSSIL)

Undularia
uniformis
Stoppani, 1858 †
(FOSSIL)

Undularia
bisculpta
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
jaculum
Stoppani, 1858 †
(FOSSIL)

Undularia
ontragnana
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
perspicua
Böhm, 1895 †
(FOSSIL)

Undularia
striifera
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
telescopia
Böhm, 1895 †
(FOSSIL)

Undularia
transitoria
E.A.L. Kittl, 1894 †
(FOSSIL)

Undularia
disputata
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
americana
A. Nützel & Erwin, 2004 †
(FOSSIL)

Undularia
microfurcata
A. Nützel & Senowbari-Daryan, 1999 †
(FOSSIL)

Undularia
obliquelineata
E.A.L. Kittl, 1894 †
(FOSSIL)

Undularia
ambrosinii
Stoppani, 1858 †
(FOSSIL)

Undularia
brevissima
(E.A.L. Kittl, 1894 †)
(FOSSIL)

Undularia
concava
(Stoppani, 1857 †)
(FOSSIL)

Undularia
fusoides
(Stoppani, 1857 †)
(FOSSIL)

Undularia
pillae
Stoppani, 1858 †
(FOSSIL)

Undularia
brocchi
Stoppani, 1857 †
(FOSSIL)

Undularia
gracilis
F. Haas, 1953 †
(FOSSIL)

Undularia
uniformis
Stoppani, 1858 †
(FOSSIL)

Undularia
bisculpta
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
jaculum
Stoppani, 1858 †
(FOSSIL)

Undularia
ontragnana
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
perspicua
Böhm, 1895 †
(FOSSIL)

Undularia
striifera
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
telescopia
Böhm, 1895 †
(FOSSIL)

Undularia
transitoria
E.A.L. Kittl, 1894 †
(FOSSIL)

Undularia
disputata
E.A.L. Kittl, 1899 †
(FOSSIL)

Undularia
americana
A. Nützel & Erwin, 2004 †
(FOSSIL)

Undularia
microfurcata
A. Nützel & Senowbari-Daryan, 1999 †
(FOSSIL)