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.
Distribution Jurassic deposits of China, France, India and Madagascar
References
Treatise in Invertebrate Paleontology, Part L (1957), Mesozoic Ammonoidea. p.K294
