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