Rodzaj Cochlioceras Eichwald , 1860
Gatunek typowy Opis Very thick outer spherulitic-prismatic layer of connecting rings; subspherical embryonic conch. Synonimy Zasięg czasowy Literatura Dzik, J. 1984. Phylogeny of the Nautiloidea. Palaeontologia Polonica 45, 1–255. Mutvei, H. 2002. Connecting ring structure and its significance for classification of the orthoceratid cephalopods. Acta Palaeontologica Polonica 52, 823–827. |
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