Dimorphoceratidae

Dimorphoceratidae Temporal range: Late Paleozoic
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Goniatitida
Suborder:	Goniatitina
Superfamily:	Dimorphocerataceae
Family:	Dimorphoceratidae Hyatt 1884
Subfamilies
Dimorphoceratinae Glyphiolobinae

Dimorphoceratidae is one of two families included in the Dimorphocerataceae, a superfamily of ammonoid cephalopods belonging to the Goniatitida 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. Geological Society of America and University of Kansas Press.
• Dimorphoceratidae in GONIAT Online 5/30/12
• The Paleobiology Database 10/01/07