Query: Prehistoric bivalves
Relevant documents:
Fordilloidea
Megalodontoidea
Chesapecten jeffersonius
Trigonioidea
Gryphaea dilatata
Tuarangia
Concavodontinae
Praenuculinae
Trigoniida
Cyprina ligeriensis
Arca mailleana
Hippurites atheniensis
Hippurites cornuvaccinum
Modiomorphida
Swiftopecten djoserus
Inoceramus cuvieri