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Vascoceratidae

Turrilitidae

Scaphitidae

Placenticeratidae

Pachydiscidae

Nostoceratidae

Hamitidae

Gaudryceratidae

Forbesiceratidae

Engonoceratidae

Diplomoceratidae

Desmoceratidae

Collignoniceratidae

Coilopoceratidae

Binneyitidae

Belemnitellidae

Baculitidae

Acanthoceratidae

Anomiidae

Arcidae

Arcticidae

Bakevelliidae

Cardiidae

Corbiculidae

Corbulidae

Crassatellidae

Cucullaeidae

Entoliidae

Gryphaeidae

Hiatellidae

Hippuritidae

Inoceramidae

Limopsidae

Lucinidae

Mactridae

Mactromyidae

Malletiidae

Mytilidae

Nuculanidae

Nuculidae

Ostreidae

Oxytomidae

Parallelodontidae

Pectinoidae

Pharidae

Pholadoyidae

Pteriidae

Radiolitidae

Solemyidae

Tancrediidae

Tellinidae

Trigoniidae

Veneridae

Yoldiidae

Anorthopygidae

Conulidae

Hemiasteridae

Holectypidae

Uintacrinidae

Ichthyodectidae

Pholidosauridae