Anematina
conica
(Winchell, 1863 †)
(FOSSIL)

Anematina
micula
(Girty, 1909 †)
(FOSSIL)

Anematina
nordhusiana
(Dietz, 1911 †)
(FOSSIL)

Anematina
parva
A. Nützel & Nakazawa, 2012 †
(FOSSIL)

Anematina
permiana
(Jakowlew, 1899 †)
(FOSSIL)

Anematina
proutana
(J.W. Hall, 1856 †)
(FOSSIL)

Anematina
rockymontanum
(Shimer, 1926 †)
(FOSSIL)

Anematina
rugoza
Mazaev, 2015 †
(FOSSIL)

Anematina
subconica
(J.W. Hall, 1860 †)
(FOSSIL)

Anematina
minutissimus
Knight, 1933 †
(FOSSIL)

Discordichilus
conus
(Kindle, 1900 †)
(FOSSIL)

Discordichilus
dalli
(Lindström, 1884 †)
(FOSSIL)

Discordichilus
globrous
Xi & Yu, 1990 †
(FOSSIL)

Discordichilus
harmonia
(Billings, 1865 †)
(FOSSIL)

Discordichilus
kolmodini
(Lindström, 1884 †)
(FOSSIL)

Discordichilus
mollis
(Lindström, 1884 †)
(FOSSIL)

Discordichilus
normalis
(J. Perner, 1903 †)
(FOSSIL)

Discordichilus
obesum
(Lindström, 1884 †)
(FOSSIL)

Discordichilus
venalis
(J. Perner, 1903 †)
(FOSSIL)

Elasmonema
amabile
J. Perner, 1903 †
(FOSSIL)

Elasmonema
bellatula
(J.W. Hall, 1861 †)
(FOSSIL)

Elasmonema
clarki
(Nettelroth, 1889 †)
(FOSSIL)

Elasmonema
corrugata
(Stauffer, 1909 †)
(FOSSIL)

Elasmonema
elegans
(J.W. Hall, 1860 †)
(FOSSIL)

Elasmonema
filosum
A.H. Clarke, 1904 †
(FOSSIL)

Elasmonema
gracilis
Tolmachoff, 1930 †
(FOSSIL)

Elasmonema
hermitei
(E.C. Munier-Chalmas, 1876 †)
(FOSSIL)

Elasmonema
imitator
(J.W. Hall & R.P. Whitfield, 1872 †)
(FOSSIL)

Elasmonema
improbum
J. Perner, 1907 †
(FOSSIL)

Elasmonema
lichas
(J.W. Hall, 1861 †)
(FOSSIL)

Elasmonema
rotundum
Whidborne, 1892 †
(FOSSIL)

Elasmonema
surgens
J. Perner, 1903 †
(FOSSIL)

Hawletrochus
pragensis
Frýda & K. Bandel, 1997 †
(FOSSIL)

Kimina
globosa
E.K. Yoo, 1994 †
(FOSSIL)

Kimina
minor
E.K. Yoo, 1994 †
(FOSSIL)

Kimina
yooi
Frýda & K. Bandel, 1997 †
(FOSSIL)

Streptotrochus
amicus
(J. Perner, 1903 †)
(FOSSIL)

Streptotrochus
cyclostoma
(J.J.F. Whiteaves, 1884 †)
(FOSSIL)

Streptotrochus
deciduus
(Williams & M. Breger, 1916 †)
(FOSSIL)

Streptotrochus
densestriatus
(Lindström, 1884 †)
(FOSSIL)

Streptotrochus
incisus
(Lindström, 1884 †)
(FOSSIL)

Streptotrochus
mercurius
J. Perner, 1907 †
(FOSSIL)

Streptotrochus
pressulus
(Tschernischeff, 1885 †)
(FOSSIL)

Streptotrochus
rugulosus
J. Perner, 1907 †
(FOSSIL)

Streptotrochus
visbeyensis
Lindstrom, 1884 †
(FOSSIL)

Streptotrochus
lundgreni
(Lindstrom, 1884 †)
(FOSSIL)