Rodzina Orthoceratidae M'Coy, 1844
Opis Long and straight conch with subspherical embryonic part and long living chamber, subcentral siphuncle; thin connecting rings cylindrical to at most a little inflated. Synonimy Zasięg czasowy Literatura Dzik, J. 1984. Phylogeny of the Nautiloidea. Palaeontologia Polonica 45, 1-255. |
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