Cingentolium
partitum
(Sowerby, 1840 †)
(FOSSIL)

Cingentolium
clipeus
Yamani, 1983 †
(FOSSIL)

Cingentolium
von
W. Von Teppner, 1922 †
(FOSSIL)

Cingentolium
partitum
(Sowerby, 1840 †)
(FOSSIL)

Cingentolium
clipeus
Yamani, 1983 †
(FOSSIL)

Cingentolium
von
W. Von Teppner, 1922 †
(FOSSIL)

Entolium
corneolum
(A.T. Young & Bird, 1828 †)
(FOSSIL)

Entolium
cornutum
(F.A. von Quenstedt, 1858 †)
(FOSSIL)

Entolium
disciforme
(Schubler, 1833 †)
(FOSSIL)

Entolium
callosum
Lundgren, 1895 †
(FOSSIL)

Entolium
demissus
(B. Phillips, 1835 †)
(FOSSIL)

Entolium
discites
(Schlotheim, 1820 †)
(FOSSIL)

Entolium
fossatum
J. Marwick, 1953 †
(FOSSIL)

Entolium
irenense
McLearn, 1933 †
(FOSSIL)

Entolium
lunare
(F.A. Roemer, 1839 †)
(FOSSIL)

Entolium
mapuche
Damborenea, 2002 †
(FOSSIL)

Entolium
membranaceum
(S. Nilsson, 1827 †)
(FOSSIL)

Entolium
microtis
Bittner, 1899 †
(FOSSIL)

Entolium
minor
C. Chen, 1976 †
(FOSSIL)

Entolium
piriformis
(H.X. Liu, 1976 †)
(FOSSIL)

Entolium
proeteus
(A.V.M.D. D'Orbigny, 1847 †)
(FOSSIL)

Entolium
renevieri
(Oppel, 1856 †)
(FOSSIL)

Entolium
solidum
(F.A. Roemer, 1836 †)
(FOSSIL)

Entolium
utukokense
Imlay, 1961 †
(FOSSIL)

Entolium
ceruleus
Smith, 1927 †
(FOSSIL)

Entolium
pittensis
Smith, 1927 †
(FOSSIL)

Entolium
yukonensis
Smith, 1927 †
(FOSSIL)

Entolium
aviculatum
Shumard & Swallow, 1858 †
(FOSSIL)

Entolium
prosseri
Mark, 1912 †
(FOSSIL)

Entolium
orbiculare
Sowerby †
(FOSSIL)

Entolium
inequivalve
I. Hayami, 1959 †
(FOSSIL)

Entolium
demissus
Whidborne †
(FOSSIL)

Entolium
alaskanum
McRoberts, 2017 †
(FOSSIL)

Entolium
ussuricus
(Bittner 1899) †
(FOSSIL)

Pectinella
aequoris
H.H. Dijkstra, 1991

Scythentolium
scutigerulus
Hautmann & al., 2011 †
(FOSSIL)

Scythentolium
tirolicum
(Wittenburg, 1908 †)
(FOSSIL)

Syncyclonema
gibsonia
Skwarko, 1967 †
(FOSSIL)

Syncyclonema
kingi
L.W. Stephenson, 1941 †
(FOSSIL)

Syncyclonema
inconspicuus
(Cragin, 1895 †)
(FOSSIL)

Syncyclonema
inconspicuus
Stanton, 1947 †
(FOSSIL)