Dimorphoceratidae is one of two families included in the
Dimorphoceratoidea, a superfamily of
ammonoid cephalopods belonging to the
Goniatitida
Goniatids, informally goniatites, are ammonoid cephalopods that form the order Goniatitida, derived from the more primitive Agoniatitida during the Middle Devonian some 390 million years ago (around Eifelian stage). Goniatites (goniatitids) su ...
that lived during the Late Paleozoic. They are dimorphocerataceans in which the external lateral lobes and prongs of the ventral lobe are bifid. The shells are strongly involute, subdiscoidal to lenticular.
References
*Miller, A.K. et al. Paleozoic Ammonoidea.
Treatise on Invertebrate Paleontology
The ''Treatise on Invertebrate Paleontology,'' published from 1953–2007 by the Geological Society of America and the University of Kansas, then 2009–present by the University of Kansas Paleontological Institute, is a definitive multi-authore ...
. Geological Society of America and University of Kansas Press.
*Dimorphoceratidae i
GONIAT Online5/30/12
The Paleobiology Database10/01/07
Goniatitida families
Dimorphocerataceae
{{Goniatitida-stub