Trachyceras

Trachyceras Temporal range: Carnian[1] PreꞒ Ꞓ O S D C P T J K Pg N
Trachyceras fossil at the New Mexico Museum of Natural History and Science
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	†Ammonoidea
Order:	†Ceratitida
Family:	†Trachyceratidae
Subfamily:	†Trachyceratinae
Genus:	†Trachyceras Laube 1869

Trachyceras is a genus of ammonoid cephalopods belonging to the order Ceratitida. The type species is Trachyceras aon, which was first described by Georg zu Münster in 1834 as a species of Ceratites. The genus includes many species found in Afghanistan, Bosnia and Herzegovina, Canada, China, Germany, Hungary, India, Indonesia, Italy, the Russian Federation, Slovenia, and the United States.

The family to which Trachyceras belongs, the Trachyceratidae, has more or less involute, highly ornamented shells and ceratitic to ammonitic sutures.

References

Notes

1. Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 28 May 2014.
2. Paleobiology Database - Austrotrachyceras. 29 May 2014.

Bibliography

• Arkell, W.J.; Kummel, B.; Wright, C.W. (1957). Mesozoic Ammonoidea. Treatise on Invertebrate Paleontology, Part L, Mollusca 4. Lawrence, Kansas: Geological Society of America and University of Kansas Press.