Indocephalites
Encyclopedia
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.
Ammonitida
The Ammonitida is an order of more highly evolved ammonoid cephalopods from the Jurassic and Cretaceous time periods, commonly with intricate ammonitic sutures....
) and a possible subgenus of Macrocephalites
Macrocephalites
Macrocephalites is a genus of the stephanoceratacean ammonite family Macrocephalitidae, diagnostic of the Callovian stage of the Middle Jurassic...
, 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.