Cymatonota acuminata (FOSSIL) Ulrich 1894 †
Goniophora alei (FOSSIL) Liljedahl, 1994 †
Modiomorpha alta (FOSSIL) (T.A. Conrad, 1841 †)
Semicorallidomus altidorsata (FOSSIL) Isberg, 1934 †
Modiolopsis alvae (FOSSIL) Liljedahl, 1994 †
Goniophora andersoni (FOSSIL) Clark & J.W. Durham,1946 †
Modiolopsis anodontoides (FOSSIL) (E. Emmons, 1842 †)
Orthodesma approximatum (FOSSIL) Foerste, 1914 †
Modiolopsis arguta (FOSSIL) Ulrich, 1894 †
Goniophora ascia (FOSSIL) Kríž, 2008 †
Modiolopsis atava (FOSSIL) E.F.R.K. Koken 1902 †
Mimerodonta atlei (FOSSIL) Liljedahl, 1994 †
Liromytilus attenuata (FOSSIL) (J.J.F. Whiteaves,1894 †)
Colpomya audae (FOSSIL) Liljedahl, 1994 †
Colpomya balderi (FOSSIL) Liljedahl, 1994 †
Modiolopsis barricanensis (FOSSIL) Hicks †
Modiomorpha barricanensis (FOSSIL) (Hicks) †
Cosmogoniophora bellula (FOSSIL) (Billings, 1874 †)
Modiolopsis borealis (FOSSIL) Foerste, 1924 †
Goniophora bragei (FOSSIL) Liljedahl, 1994 †
Modiolopsis brevantica (FOSSIL) Foerste, 1916 †
Goniophora brimeri (FOSSIL) Liljedahl, 1994 †
Madrynomya brunet (FOSSIL) Griffin & Pastorino 2006 †,
Aleodonta burei (FOSSIL) Liljedahl, 1994 †
Orthodesma canaliculatum (FOSSIL) Ulrich, 1894 †
Megambonia cardiiformis (FOSSIL) (J.W. Hall, 1843 †)
Taimyria carinata (FOSSIL) Lutkevich, 1951 †
Pholadomorpha chambliensis (FOSSIL) Foerste, 1914 †
Whiteavesia cincinnatiensis (FOSSIL) (J.W. Hall& R.P. Whitfield, 1875 †)
Cymatonota compressum (FOSSIL) Ulrich, 1894 †
Goniophora compta (FOSSIL) Kríž, 2008 †
Modiolopsis concava (FOSSIL) Ulrich, 1894 †
Modiolopsis concentrica (FOSSIL) J.W. Hall& R.P. Whitfield, 1875 †
Modiomorpha concentrica (FOSSIL) (T.A. Conrad, 1838 †)
Modiolopsis concentricus (FOSSIL) R.P. Whitfield 1893 †