Actinopteria
pumila
Bogolepova & Kríž, 1995 †
(FOSSIL)

Actinopteria
resplendens
Talent, 1963 †
(FOSSIL)

Actinopteria
problematica
C. Chen & T.C. Lan, 1976 †
(FOSSIL)

Actinopteria
mackayi
Fleming, 1957 †
(FOSSIL)

Actinopteria
boydi
Prosser & Kindle, 1913 †
(FOSSIL)

Actinopteria
crenatissima
Whidborne †
(FOSSIL)

Actinopteria
dilatata
Whidborne †
(FOSSIL)

Actinopteria
hirundella
(Whidborne) †
(FOSSIL)

Actinopteria
persulcata
(McCoy) †
(FOSSIL)

Actinopteria
placida
Whidborne †
(FOSSIL)

Actinopteria
robertsii
Whidborne †
(FOSSIL)

Actinopteria
subradiata
(J. de C. Sowerby †)
(FOSSIL)

Actinopteria
sulcata
(F. McCoy, 1844 †)
(FOSSIL)

Actinopteria
lepida
(G.A. Goldfuss, 1835 †)
(FOSSIL)

Actinopteria
dakryodes
Kriz 2005 †
(FOSSIL)

Caneyella
richardsoni
(Girty, 1909 †)
(FOSSIL)

Caneyella
wapanuckensis
(Girty, 1909 †)
(FOSSIL)

Cornellites
confluentinus
Eichele, 2014 †
(FOSSIL)

Cornellites
quinquecostatus
Eichele, 2014 †
(FOSSIL)

Cornellites
siegeniensis
Eichele, 2014 †
(FOSSIL)

Cyrtodontarca
gouldii
Beede, 1902 †
(FOSSIL)

Cyrtodontarca
bakewelloides
Jakovlev 1903 †
(FOSSIL)

Glyptodesma
cancellata
Nettelroth †
(FOSSIL)

Glyptodesma
buchanensis
(Talent 1956) †
(FOSSIL)

Guichiella
styliformis
Li & Ding, 1981 †
(FOSSIL)

Guichiella
subrotunda
Li & Ding, 1981 †
(FOSSIL)

Leptodesma
australis
R. Etheridge jr., 1898 †
(FOSSIL)

Leptodesma
carrandibbiensis
Dickins, 1957 †
(FOSSIL)

Leptodesma
consimilis
C. Gemmellaro, 1896 †
(FOSSIL)

Leptodesma
elegans
A. De Gregorio, 1930 †
(FOSSIL)

Leptodesma
inflata
C. Gemmellaro, 1896 †
(FOSSIL)

Leptodesma
verrucosa
(C. Gemmellaro, 1892 †)
(FOSSIL)

Leptodesma
aviculaeformis
Stuckenberg, 1898 †
(FOSSIL)

Leptodesma
bonaerensis
Harrington, 1955 †
(FOSSIL)

Leptodesma
buhaheensis
C.C. Lu, 1986 †
(FOSSIL)

Leptodesma
dutoiti
Harrington, 1955 †
(FOSSIL)

Leptodesma
zhangi
Li, 1995 †
(FOSSIL)

Leptodesma
adaroi
Amler, 2010 †
(FOSSIL)

Leptodesma
anatinum
Whidborne, 1897 †
(FOSSIL)

Leptodesma
cultellata
Whidborne, 1897 †
(FOSSIL)

Leptodesma
falcata
Boyd & Newell, 2001 †
(FOSSIL)

Leptodesma
matheri
Elias, 1957 †
(FOSSIL)

Leptodesma
occidentale
Girty, 1927 †
(FOSSIL)

Leptodesma
potens
J.W. Hall, 1883 †
(FOSSIL)

Leptodesma
rhysema
Hoare, 2007 †
(FOSSIL)

Leptodesma
bakewellioides
(Y.M. Yakovlev, 1903 †)
(FOSSIL)

Leptodesma
chidruensis
(L. Waagen, 1881 †)
(FOSSIL)

Leptodesma
eolus
Kindle, 1909 †
(FOSSIL)

Leptodesma
gouldii
(Beede, 1902 †)
(FOSSIL)

Leptodesma
guadalupensis
(Girty, 1909 †)
(FOSSIL)

Leptodesma
indistincta
Biakov, 2002 †
(FOSSIL)

Leptodesma
rogersi
J.W. Hall, 1883 †
(FOSSIL)

Leptodesma
welleri
Sayre, 1930 †
(FOSSIL)

Leptodesma
wupperanum
Dahmer, 1943 †
(FOSSIL)

Leptodesma
wupperanum
Dahmer, 1943 †
(FOSSIL)

Leptodesma
spinigerus
T.A. Conrad †
(FOSSIL)

Leptodesma
citimum
Whidborne †
(FOSSIL)

Leptodesma
lunulata
(B. Phillips, 1836 †)
(FOSSIL)

Leptodesma
murata
Whidborne, 1896 †
(FOSSIL)

Leptodesma
laminosa
(B. Phillips, 1836 †)
(FOSSIL)

Leptodesma
inconspicuum
(B. Phillips, 1836 †)
(FOSSIL)

Leptodesma
australis
R. Etheridge jr., 1898 †
(FOSSIL)

Leptodesma
carrandibbiensis
Dickins, 1957 †
(FOSSIL)

Leptodesma
consimilis
C. Gemmellaro, 1896 †
(FOSSIL)

Leptodesma
elegans
A. De Gregorio, 1930 †
(FOSSIL)

Leptodesma
inflata
C. Gemmellaro, 1896 †
(FOSSIL)

Leptodesma
verrucosa
(C. Gemmellaro, 1892 †)
(FOSSIL)

Leptodesma
aviculaeformis
Stuckenberg, 1898 †
(FOSSIL)

Leptodesma
bonaerensis
Harrington, 1955 †
(FOSSIL)

Leptodesma
buhaheensis
C.C. Lu, 1986 †
(FOSSIL)

Leptodesma
dutoiti
Harrington, 1955 †
(FOSSIL)

Leptodesma
zhangi
Li, 1995 †
(FOSSIL)

Leptodesma
adaroi
Amler, 2010 †
(FOSSIL)

Leptodesma
anatinum
Whidborne, 1897 †
(FOSSIL)

Leptodesma
cultellata
Whidborne, 1897 †
(FOSSIL)

Leptodesma
falcata
Boyd & Newell, 2001 †
(FOSSIL)

Leptodesma
matheri
Elias, 1957 †
(FOSSIL)

Leptodesma
occidentale
Girty, 1927 †
(FOSSIL)

Leptodesma
potens
J.W. Hall, 1883 †
(FOSSIL)

Leptodesma
rhysema
Hoare, 2007 †
(FOSSIL)

Leptodesma
bakewellioides
(Y.M. Yakovlev, 1903 †)
(FOSSIL)

Leptodesma
chidruensis
(L. Waagen, 1881 †)
(FOSSIL)

Leptodesma
eolus
Kindle, 1909 †
(FOSSIL)

Leptodesma
gouldii
(Beede, 1902 †)
(FOSSIL)

Leptodesma
guadalupensis
(Girty, 1909 †)
(FOSSIL)

Leptodesma
indistincta
Biakov, 2002 †
(FOSSIL)

Leptodesma
rogersi
J.W. Hall, 1883 †
(FOSSIL)

Leptodesma
welleri
Sayre, 1930 †
(FOSSIL)

Leptodesma
wupperanum
Dahmer, 1943 †
(FOSSIL)

Leptodesma
wupperanum
Dahmer, 1943 †
(FOSSIL)

Leptodesma
spinigerus
T.A. Conrad †
(FOSSIL)

Leptodesma
citimum
Whidborne †
(FOSSIL)

Leptodesma
lunulata
(B. Phillips, 1836 †)
(FOSSIL)

Leptodesma
murata
Whidborne, 1896 †
(FOSSIL)

Leptodesma
laminosa
(B. Phillips, 1836 †)
(FOSSIL)

Leptodesma
inconspicuum
(B. Phillips, 1836 †)
(FOSSIL)

Molinicola
gotlandica
Liljedahl, 1984 †
(FOSSIL)

Pseudobakewellia
ceratophagaeformis
Noinskyi, 1913 †
(FOSSIL)

Pseudobakewellia
antiquaeformis
Noinskyi 1913 †
(FOSSIL)

Pterinea
undata
E. Emmons, 1842 †
(FOSSIL)

Pterinea
triqueter
T.A. Conrad, 1838 †
(FOSSIL)

Pterinea
laevis
G.A. Goldfuss, 1832 †
(FOSSIL)

Pterinea
desmissa
(T.A. Conrad, 1842 †)
(FOSSIL)

Pterinea
exasperata
Salter, 1873 †
(FOSSIL)

Pterinea
asperula
F. McCoy, 1852 †
(FOSSIL)

Pterinea
hians
F. McCoy, 1851 †
(FOSSIL)

Pterinea
adjuncta
Reed, 1927 †
(FOSSIL)

Pterinea
condor
Reed, 1902 ex Salter MS †
(FOSSIL)

Pterinea
sowerbyi
F. McCoy, 1852 †
(FOSSIL)

Pterinea
macroptera
Morris, 1845 †
(FOSSIL)

Pterinea
prolifica
Billings, 1866 †
(FOSSIL)

Pterinea
demissa
T.A. Conrad, 1842 †
(FOSSIL)

Pterinea
waylandsmithi
Fisher, 1957 †
(FOSSIL)

Pterinea
mclearni
Northrop, 1939 †
(FOSSIL)

Pterinea
anisota
(Phillips) †
(FOSSIL)

Pterinea
condor
†
(FOSSIL)

Pterinea
megaloba
McCoy †
(FOSSIL)

Pterinea
mortensis
Hicks †
(FOSSIL)

Pterinea
tenuistriata
McCoy †
(FOSSIL)

Pterinea
undata
E. Emmons, 1842 †
(FOSSIL)

Pterinea
triqueter
T.A. Conrad, 1838 †
(FOSSIL)

Pterinea
laevis
G.A. Goldfuss, 1832 †
(FOSSIL)

Pterinea
desmissa
(T.A. Conrad, 1842 †)
(FOSSIL)

Pterinea
exasperata
Salter, 1873 †
(FOSSIL)

Pterinea
asperula
F. McCoy, 1852 †
(FOSSIL)

Pterinea
hians
F. McCoy, 1851 †
(FOSSIL)

Pterinea
adjuncta
Reed, 1927 †
(FOSSIL)

Pterinea
condor
Reed, 1902 ex Salter MS †
(FOSSIL)

Pterinea
sowerbyi
F. McCoy, 1852 †
(FOSSIL)

Pterinea
macroptera
Morris, 1845 †
(FOSSIL)

Pterinea
prolifica
Billings, 1866 †
(FOSSIL)

Pterinea
demissa
T.A. Conrad, 1842 †
(FOSSIL)

Pterinea
waylandsmithi
Fisher, 1957 †
(FOSSIL)

Pterinea
mclearni
Northrop, 1939 †
(FOSSIL)

Pterinea
anisota
(Phillips) †
(FOSSIL)

Pterinea
condor
†
(FOSSIL)

Pterinea
megaloba
McCoy †
(FOSSIL)

Pterinea
mortensis
Hicks †
(FOSSIL)

Pterinea
tenuistriata
McCoy †
(FOSSIL)

Pteronitella
elongata
H.X. Liu, 1983 †
(FOSSIL)

Pteronitella
hunanensis
Zhang, 1977 †
(FOSSIL)

Pteronitella
improcera
Sinitsyna, 1976 †
(FOSSIL)

Pteronitella
inexpectata
Reed, 1917 †
(FOSSIL)

Pteronitella
liuyangensis
Zhang, 1977 †
(FOSSIL)

Pteronitella
longshanensis
Zhang, 1984 †
(FOSSIL)

Pteronitella
quadrata
Williams & M. Breger, 1916 †
(FOSSIL)

Pteronitella
retroflexa
(Wahlenberg †)
(FOSSIL)

Pteronitella
rhomboides
Zhang 1977 †
(FOSSIL)

Pteronitella
rugosa
Sherrard, 1960 †
(FOSSIL)

Ptychopteria
pusilla
Hoare, 1993 †
(FOSSIL)

Ptychopteria
vespertilio
Talent, 1963 †
(FOSSIL)

Ptychopteria
bellula
(Whidborne) †
(FOSSIL)

Ptychopteria
damnoniensis
(J. de C. Sowerby) †
(FOSSIL)

Ptychopteria
zhongguoensis
Zhang 1977 †
(FOSSIL)