Opis

Siphuncle with strongly inflated connecting rings and well developed deposits subdivided into radial blocks; protoconch exceeding 10 mm in diameter; long and straight shell with siphuncle between shell center and ventral? side.

Synonimy

Zasięg czasowy

Literatura

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