Trachyceras is a genus belonging to the extinct subclass of cephalopods known as ammonites. Specifically it belongs in the order Ceratitida. They are distributed in Afghanistan, Bosnia and Herzegovina, Canada, China, Germany, Hungary, India, Indonesia, Italy, the Russian Federation, Slovenia, United States.

Trachyceras
Temporal range: Carnian[1]
Trachyceras fossil at the New Mexico Museum of Natural History and Science
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ceratitida
Family: Trachyceratidae
Subfamily: Trachyceratinae
Genus: Trachyceras
Laube 1869

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

References

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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.