Rząd Oncoceratida Flower, 1950
Opis Mostly exogastrically curved shells, ventral siphuncle with inflated connecting rings and short living chamber. Synonimy Zasięg czasowy arenig – wizen Literatura Dzik, J. 1984. Phylogeny of the Nautiloidea. Palaeontologia Polonica 45, 1-255 |
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