Rodzina Pseudorthoceratidae Flower & Caster, 1935
Opis Smooth, depressed, straight to endogastrically? curved shell; siphuncle between center and the convex side, moderately inflated connecting rings. Synonimy Zasięg czasowy Literatura Dzik, J. 1984. Phylogeny of the Nautiloidea. Palaeontologia Polonica 45, 1-255. |
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