Dimeroceratoidea

Dimeroceratoidea, formerly Dimerocerataceae, is one of six superfamilies in the goniatitid suborder Tornoceratina which lived during the Devonian. Five families are included, the Dimeroceratidae being the type family.

Dimeroceratoidea Temporal range: Devonian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	†Ammonoidea
Order:	†Goniatitida
Suborder:	†Tornoceratina
Superfamily:	†Dimeroceratoidea Hyatt 1884
Families
Dimeroceratidae Cheiloceratidae Prolobitidae Phenacoceratidae
Synonyms
Dimerocerataceae

Gonitites, to which they belong, are primitive ammonites sensu lato, extinct shelled cephalopods more closely related to living animals like squids and octopodes than to similarly shelled nautiloids such as the modern genus Nautilus.

References

• Taxonomy GONIAT-online 10/28/10
• Paleobiology Database - Dimerocerataceae 10/28/10
• Saunders, Work, and Nikoleava 1999. Evolution of Complexity in Paleozoic Ammonoid Sutures, Science Magazine