-
Ambonychia acuticostata
F. McCoy, 1851 † (FOSSIL)
-
Mytilarca acutirostra
(J.W. Hall, 1865 †) (FOSSIL)
-
Ambonychia acutirostris
Ulrich, 1895 † (FOSSIL)
-
Elasmodophora acutirostris
Isberg, 1934 † (FOSSIL)
-
Ambonychiopsis affinis
(Ulrich, 1894 †) (FOSSIL)
-
Ambonychia alata
F.B. Meek, 1872 † (FOSSIL)
-
Opisthoptera alternata
Ulrich, 1895 † (FOSSIL)
-
Mytilarca amii
McLearn, 1924 † (FOSSIL)
-
Ambonychinia amygdalina
(J.W. Hall, 1847 †) (FOSSIL)
-
Cleionychia angusta
(Foerste, 1918 †) (FOSSIL)
-
Mytilarca aphaea
(J.W. Hall, 1865 †) (FOSSIL)
-
Mytilarca arenacea
J.W. Hall & R.P. Whitfield, 1869 † (FOSSIL)
-
Ambonychia arundinea
Tunnicliff, 1982 † (FOSSIL)
-
Cleionychia attenuata
(J.W. Hall, 1847 †) (FOSSIL)
-
Claudeonychia babini
Pojeta Jr., 1997 † (FOSSIL)
-
Ambonychiopsis bellistriata
(J.W. Hall, 1847 †) (FOSSIL)
-
Ambonychia borealis
Foerste 1924 † (FOSSIL)
-
Mytilarca boucoti
Kriz & al., 2011 † (FOSSIL)
-
Claudeonychia byrnesi
(Ulrich, 1895 †) (FOSSIL)
-
Mytilarca canadensis
Billings, 1874 † (FOSSIL)
-
Ambonychia carinata
(G.A. Goldfuss, 1836 †) (FOSSIL)
-
Opisthoptera casei
(F.B. Meek & A.H. Worthen, 1866 †) (FOSSIL)
-
Mytilarca chemungensis
(T.A. Conrad, 1842 †) (FOSSIL)
-
Mytilarca cingulosa
Pohl, 1929 † (FOSSIL)
-
Maryonychia concordensis
(Foerste, 1910 †) (FOSSIL)
-
Lophonychia cordata
C.C. Stewart, 1933 † (FOSSIL)
-
Mytilarca cordiformis
(J.W. Hall, 1859 †) (FOSSIL)
-
Ambonychinia corrugata
Isberg, 1934 † (FOSSIL)
-
Cleionychia corrugata
(Lindström, 1880 †) (FOSSIL)
-
Amphicoelia costata
J.W. Hall & R.P. Whitfield, 1875 † (FOSSIL)
-
Mytilarca crassa
Isberg, 1934 † (FOSSIL)
-
Cleionychia crebra
Khalfin, 1958 † (FOSSIL)
-
Cleionychia crispa
Khalfin, 1958 † (FOSSIL)
-
Mytilarca cultellata
Pohl, 1929 † (FOSSIL)
-
Ambonychia cultrata
Ulrich, 1893 † (FOSSIL)
-
Mytilarca cuneatus
Kindle & M. Breger, 1903 † (FOSSIL)
-
Cleionychia curta
Foerste, 1924 † (FOSSIL)
-
Ambonychiopsis curvata
(W.J. Raymond, 1905 †) (FOSSIL)
-
Ambonychinia cylindrica
Isberg, 1934 † (FOSSIL)
-
Praeanomalodonta dalecarlica
Isberg, 1934 † (FOSSIL)
-
Mytilarca dalhousei
A.H. Clarke, 1907 † (FOSSIL)
-
Ambonychinia demissa
Isberg, 1934 † (FOSSIL)
-
Ambonychiopsis demissa
(T.A. Conrad, 1842 †) (FOSSIL)
-
Mytilarca dentata
Pohl, 1929 † (FOSSIL)
-
Mytilarca dentiversa
Isberg, 1934 † (FOSSIL)
-
Gosseletia devonica
Barrois, 1882 † (FOSSIL)
-
Leconychia doylei
Pojeta & Gilbert-Tomlinson, 1977 † (FOSSIL)
-
Mytilarca dubia
Walcott, 1884 † (FOSSIL)
-
Mytilarca eduliformis
A.H. Clarke & Ruedemann, 1903 † (FOSSIL)
-
Ambonychinia elegans
Isberg, 1934 † (FOSSIL)
-
Notonychia emmae
P. Sánchez, 2001 † (FOSSIL)
-
Cleionychia excavata
Ulrich, 1895 † (FOSSIL)
-
Ambonychinia excelsa
Isberg, 1934 † (FOSSIL)
-
Mytilarca expansa
Isberg, 1934 † (FOSSIL)
-
Ambonychinia extumida
Isberg, 1934 † (FOSSIL)
-
Allonychia flanaganensis
Foerste, 1914 † (FOSSIL)
-
Mytilarca foerstei
A.H. Clarke & Ruedemann, 1903 † (FOSSIL)
-
Praeanomalodonta foerstei
Isberg, 1934 † (FOSSIL)
-
Cleionychia gibbosa
J.J.F. Whiteaves, 1908 † (FOSSIL)
-
Mytilarca gibbosa
J.W. Hall, 1884 † (FOSSIL)
-
Anomalodonta gigantea
Miller, 1874 † (FOSSIL)
-
Ambonychinia glabra
Isberg, 1934 † (FOSSIL)
-
Paramytilarca glabra
Isberg, 1934 † (FOSSIL)
-
Opisthoptera gouldi
(Ulrich in Hussey, 1926 †) (FOSSIL)
-
Ambonychia grandis
Ulrich 1893 † (FOSSIL)
-
Opisthoptera griffini
Hussey, 1926 † (FOSSIL)
-
Gosseletia halfari
Frech, 1891 † (FOSSIL)
-
Pteronychia haupti
Pojeta & Gilbert-Tomlinson, 1977 † (FOSSIL)
-
Cleionychia incognita
Tunniliff, 1982 † (FOSSIL)
-
Mytilarca inflata
J.J.F. Whiteaves, 1892 † (FOSSIL)
-
Mytilarca iniqua
Isberg, 1934 † (FOSSIL)
-
Ambonychia intermedia
F.B. Meek & A.H. Worthen † (FOSSIL)
-
Ambonychinia intermedia
Isberg, 1934 † (FOSSIL)
-
Allonychia jamesi
(F.B. Meek, 1872 †) (FOSSIL)
-
Ambonychinia kallholniensis
Isberg, 1934 † (FOSSIL)
-
Ambonychiopsis kallholniensis
Isberg, 1934 † (FOSSIL)
-
Mytilarca kallholniensis
Isberg, 1934 † (FOSSIL)
-
Mytilarca knappi
J.W. Hall, 1884 † (FOSSIL)
-
Ambonychinia kullsbergensis
Isberg, 1934 † (FOSSIL)
-
Mytilarca kullsbergensis
Isberg, 1934 † (FOSSIL)
-
Cleionychia lamellosa
(R.P. Whitfield, 1882 †) (FOSSIL)
-
Mytilarca lata
J.W. Hall, 1883 † (FOSSIL)
-
Claudeonychia laticostata
(Ulrich, 1895 †) (FOSSIL)
-
Amphicoelia leidyi
J.W. Hall, 1865 † (FOSSIL)
-
Mytilarca leptaenarum
Isberg, 1934 † (FOSSIL)
-
Ambonychinia levis
Isberg, 1934 † (FOSSIL)
-
Paramytilarca levis
Isberg, 1934 † (FOSSIL)
-
Mytilarca lineatus
Reed 1944 † (FOSSIL)
-
Ambonychinia magna
Isberg, 1934 † (FOSSIL)
-
Mytilarca mareki
Kríž & Steinová, 2009 † (FOSSIL)
-
Cleionychia marginalis
W.J. Raymond, 1905 † (FOSSIL)
-
Mytilarca marylandica
Ohern in Ohern & C.J. Maynard, 1913 † (FOSSIL)
-
Ambonychiopsis mclearni
Northrop, 1939 † (FOSSIL)
-
Ambonychinia megumbona
Isberg, 1934 † (FOSSIL)
-
Cleionychia miseneri
Ulrich, 1893 † (FOSSIL)
-
Cleionychia montrealensis
(Billings, 1859 †) (FOSSIL)
-
Mytilarca mytiliformis
(J.W. Hall, 1852 †) (FOSSIL)
-
Cleionychia mytiloides
(J.W. Hall, 1847 †) (FOSSIL)
-
Claudeonychia notabilis
(Ulrich, 1895 †) (FOSSIL)
-
Ambonychia obesa
Ulrich, 1895 † (FOSSIL)
-
Mytilarca obliqua
Weller, 1903 † (FOSSIL)
-
Paramytilarca oblonga
Isberg, 1934 † (FOSSIL)
-
Byssopteria occidentalis
Fenton & Fenton, 1924 † (FOSSIL)
-
Ambonychia orbicularis
(E. Emmons, 1842 †) (FOSSIL)
-
Mytilarca orsae
Isberg, 1934 † (FOSSIL)
-
Ambonychiopsis osmundsbergensis
Isberg, 1934 † (FOSSIL)
-
Cleionychia ottawaensis
J.J.F. Whiteaves, 1908 † (FOSSIL)
-
Cleionychia oviformis
Kobayashi, 1934 † (FOSSIL)
-
Paramytilarca oviformis
Isberg, 1934 † (FOSSIL)
-
Mytilarca parallela
Isberg, 1934 † (FOSSIL)
-
Mytilarca parens
Barrande, 1881 † (FOSSIL)
-
Ambonychinia pediculata
Isberg, 1934 † (FOSSIL)
-
Mytilarca percarinata
R.P. Whitfield, 1882 † (FOSSIL)
-
Ambonychiopsis planistriata
(J.W. Hall, 1861 †) (FOSSIL)
-
Amphicoelia pojetana
Kríž, 2008 † (FOSSIL)
-
Mytilarca ponderosa
J.W. Hall & R.P. Whitfield, 1869 † (FOSSIL)
-
Ambonychia praecursa
Ulrich 1893 † (FOSSIL)
-
Cleionychia primitiva
Isberg, 1934 † (FOSSIL)
-
Ambonychiopsis prolifica
(Billings, 1866 †) (FOSSIL)
-
Cleionychia pulchella
(Lindstrom, 1880 †) (FOSSIL)
-
Mytilarca pyrimadata
J.W. Hall, 1883 † (FOSSIL)
-
Paramytilarca quadrangula
Isberg, 1934 † (FOSSIL)
-
Ambonychinia quadrangulata
Isberg, 1934 † (FOSSIL)
-
Ambonychinia quadrata
(Hind, 1910 †) (FOSSIL)
-
Ambonychia radiata
J.W. Hall 1847 † (FOSSIL)
-
Ambonychinia radiata
Isberg, 1934 † (FOSSIL)
-
Byssopteria radiata
J.W. Hall, 1883 † (FOSSIL)
-
Mytilarca regularis
J.W. Hall, 1883 † (FOSSIL)
-
Plethomytilus retortus
Whidborne, 1892 † (FOSSIL)
-
Gosseletia retusa
J.W. Hall, 1883 † (FOSSIL)
-
Ambonychinia rhomboidalis
Isberg, 1934 † (FOSSIL)
-
Cleionychia rhomboidea
Ulrich, 1892 † (FOSSIL)
-
Ambonychia richmondensis
Ulrich 1893 † (FOSSIL)
-
Mytilarca rowei
Ohern in Ohern & C.J. Maynard 1913 † (FOSSIL)
-
Praeanomalodonta scutulata
Isberg, 1934 † (FOSSIL)
-
Mytilarca semicircularis
Isberg, 1934 † (FOSSIL)
-
Ambonychinia semistriata
Isberg, 1934 † (FOSSIL)
-
Mytilarca sigilla
J.W. Hall, 1876 † (FOSSIL)
-
Mytilarca siluriana
Reed, 1927 † (FOSSIL)
-
Mytilarca simplex
J.W. Hall, 1883 † (FOSSIL)
-
Ambonychinia skalbergensis
Isberg, 1934 † (FOSSIL)
-
Ambonychinia striata
Isberg, 1934 † (FOSSIL)
-
Ambonychia suberecta
Ulrich 1893 † (FOSSIL)
-
Mytilarca suberectus
Ohern in Ohern & C.J. Maynard, 1913 † (FOSSIL)
-
Ambonychinia subiniqua
Isberg, 1934 † (FOSSIL)
-
Ambonychinia subrotunda
Isberg, 1934 † (FOSSIL)
-
Cleionychia subundata
Ulrich, 1895 † (FOSSIL)
-
Cleionychia superba
(Billings, 1866 †) (FOSSIL)
-
Gosseletia tawneyi
Reed, 1917 † (FOSSIL)
-
Mytilarca thorslundi
Isberg, 1934 † (FOSSIL)
-
Cleionychia traingularis
Raasch in Shrock & Raasch, 1937 † (FOSSIL)
-
Amphicoelia transplicata
Isberg, 1934 † (FOSSIL)
-
Anomalocoelia transplicata
Isberg, 1934 † (FOSSIL)
-
Cleionychia transversa
(Portlock, 1843 †) (FOSSIL)
-
Mytilarca triangula
Isberg, 1934 † (FOSSIL)
-
Lophonychia trigonale
(Cleland, 1911 †) (FOSSIL)
-
Gosseletia triquetra
(T.A. Conrad, 1838 †) (FOSSIL)
-
Amphicoelia ulrichi
C.J. Maynard, 1913 † (FOSSIL)
-
Psilonychia ulrichi
Isberg, 1934 † (FOSSIL)
-
Mytilarca umbonata
J.W. Hall, 1883 † (FOSSIL)
-
Paramytilarca umbonella
Isberg, 1934 † (FOSSIL)
-
Cleionychia undata
(E. Emmons, 1842 †) (FOSSIL)
-
Ambonychinia undulata
Isberg, 1934 † (FOSSIL)
-
Ambonychinia unisulcata
Isberg, 1934 † (FOSSIL)
-
Paramytilarca ventricosa
Isberg, 1934 † (FOSSIL)
-
Ambonychia vera
Ulrich 1893 † (FOSSIL)
-
Silurinka vetula
Kriz 2005 † (FOSSIL)
-
Ambonychia volitans
Barrande, 1881 † (FOSSIL)
-
Ambonychinia volvens
Isberg, 1934 † (FOSSIL)
-
Mytilarca wabashensis
Kindle & M. Breger, 1904 † (FOSSIL)
-
Ambonychiopsis waylandsmithi
Fisher, 1957 † (FOSSIL)
-
Glyptonychia wilsoni
Pojeta & Gilbert-Tomlinson, 1977 † (FOSSIL)
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