• Hildoceratidae Hildoceras Ancyloceratidae
  • Nostoceratidae Nostoceras Nostoceratidae
  • Polymorphitidae Tropidoceras Polymorphitidae
  • Amaltheidae Peronoceras Amaltheidae
  • Dactylioceratidae Collina Dactylioceratidae
  • Dactylioceratidae Zugodactylites Dactylioceratidae
  • Ostreidae Ostreidae
  • Limidae Limidae
  • Pholadomyidae Pholadomyidae
  • Arcidae Arcidae
  • Tellinidae Tellinidae
  • Conidae Conidae