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.
| Trachyceras Temporal range: | |
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| Trachyceras fossil at the New Mexico Museum of Natural History and Science | |
Scientific classification  | |
| 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
edit- Notes
- ↑ Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 28 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.
External links
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Media related to Trachyceras at Wikimedia Commons
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