# Trachyceras

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{{Short description|Extinct genus of molluscs}}
{{Use dmy dates|date=April 2022}}
{{Automatic taxobox
| fossil_range = {{fossil range|Carnian|ref=<ref name="Sepkoski Ceph">{{cite web
  | last = Sepkoski| first = Jack| title= Sepkoski's Online Genus Database|author-link =| year = 2002| url = http://strata.geology.wisc.edu/jack/showgenera.php?taxon=231&rank=class| accessdate = 28 May 2014 }}</ref>}}
| image = Trachyceras fossil at NMMNHS.jpg
| image_caption = ''Trachyceras'' fossil at the [New Mexico Museum of Natural History and Science](/source/New_Mexico_Museum_of_Natural_History_and_Science)
| taxon = Trachyceras
| authority = Laube 1869
| subdivision_ranks = Species
| subdivision_ref = <ref name="paleodb">[https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=100981 Paleobiology Database - Austrotrachyceras]. 29 May 2014.</ref>
| subdivision =
}}

'''''Trachyceras''''' is a [genus](/source/genus) of [ammonoid](/source/Ammonoidea) [cephalopods](/source/Cephalopoda) belonging to the order [Ceratitida](/source/Ceratitida). The type species is ''Trachyceras aon'', which was first described by [Georg zu Münster](/source/Georg_zu_M%C3%BCnster) in 1834 as a species of ''[Ceratites](/source/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](/source/Trachyceratidae), has more or less involute, highly ornamented shells and ceratitic to ammonitic sutures.

==References==
;Notes
{{Reflist}}
;Bibliography
* {{cite book| first1=W.J. |last1=Arkell |first2=B. |last2=Kummel |first3=C.W. |last3=Wright |series=Treatise on Invertebrate Paleontology, Part L, Mollusca 4| title=Mesozoic Ammonoidea | publisher=Geological Society of America and University of Kansas Press |location=Lawrence, Kansas|year=1957}}

==External links==
{{Commons category-inline|Trachyceras}}

{{Taxonbar|from=Q23839053}}

Category:Trachyceratidae
Category:Triassic ammonites
Category:Carnian genera
Category:Fossils of British Columbia
Category:Fossils of China
Category:Fossils of Italy
Category:Fossils of Germany
Category:Fossils of India
Category:Fossil taxa described in 1869
Category:Prehistoric cephalopod genera
Category:Ceratitida genera

{{Ceratitida-stub}}

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Adapted from the Wikipedia article [Trachyceras](https://en.wikipedia.org/wiki/Trachyceras) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Trachyceras?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.