Rodzina Actinoceratidae Saemann, 1853
Opis Depressed shell with eccentric slphuncle, ontogenetically decreasing in diameter inflation of connecting rings; septal necks weakly curved. Synonimy Zasięg czasowy Literatura Dzik, J. 1984. Phylogeny of the Nautiloidea. Palaeontologia Polonica 45, 1-255. |
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