Bivalvia Linnaeus, 1758
Janacekiiidae
Manzanellidae Chronic, 1952
Nucinellidae H. Vokes, 1956
Ovatoconcha Cope, 1996
Palaeosolemya
Solemyidae J. E. Gray, 1840
Vorkutella Muromzeva & Guskov, 1984
