Acompsoceras

Systematic Paleontology

Class: Cephalopoda

Subclass: Ammonoidea

Order: Ammonitida

Family: Acanthoceratidae

Subfamily: Mantelliceratinae

Genus: Acompsoceras

Acompsoceras is an ammonoid cephalopod genus included in the Acanthoceratidae that lived during the early Cenomanian stage at the beginning of the Late Cretaceous.

Acompsoceras - speaking of the animal - produced a compressed, sub-evolute shell with whorls partly overlapping. The outer rim, or venter is flat with clavate ventral-lateral tubercles running along either side. The body chamber smooth; ribbing in young strong and distinct.