Opis

Exogastric to secondarily endogastric, bulgy shell with circular to depressed cross section; ventral to secondarily
central or subdorsal siphuncle with inflated connecting rings and strongly developed radial lamellae confined to septal
necks,

Synonimy
Acleistoceratidae FLOWER, 1950; Brevicoccratidae FLOWER, 1941; Diestoceratidae FOERsTE. 1926; Valcouroceratidae FLOWER. 1945

Zasięg czasowy

Literatura

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