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Requieniidae DOUVILLÉ 1915
genera assigned to the family (link to taxonomic database)
for a recent revision see Masse 1994
Requienia ammonia (Goldfuss, 1840); upper Barremian, Orgon, France (from Cestari & Sartorio 1995)
Antillocaprinidae
Caprinidae
Caprotinidae
Diceratidae
Dictyoptychidae
Hippuritidae
Ichthyosarcolitidae
Plagioptychidae
Polyconitidae
Radiolitidae
Requieniidae
Family uncertain