Indocephalites

Indocephalites is a true ammonite (order Ammonitida) and a possible subgenus of Macrocephalites, belonging to the stephanoceratacean family, Macrocephalitidae. Inner whorls form a cadicone (a barrel shape), outer become more compressed and smoother. Ribs are simple, crossing the venter straight and uninterrupted. Pleurocephalites, another possible subgenus of Macrocephalites, is quite similar.