Opis

Subcentral, cylindrical siphuncle with long septal necks; connecting rings disintegrated during life, in result cameral deposits in continuity with siphuncular ones. A tendency to exogastric bending or coiling of the apical part of the conch.

Synonimy

Zasięg czasowy

Literatura

Dzik, J. 1984a. Phylogeny of the Nautiloidea. Palaeontologia Polonica 45, 1-255