{{Short description|Genus of molluscs (fossil)}} {{Automatic taxobox | fossil_range = Early Jurassic, {{fossil range|Sinemurian|ref=<ref name="Sepkoski Ceph">{{cite journal|last=Sepkoski |first=Jack |title=A compendium of fossil marine animal genera (Cephalopoda entry) | journal=Bulletins of American Paleontology |volume=363 |pages=1–560 | year=2002 | url=http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=231&rank=class |accessdate=2017-10-18 |url-status=dead | archiveurl=https://web.archive.org/web/20080507014300/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=231&rank=class | archivedate=2008-05-07 }}</ref>}} | image = Coroniceras rotiforme.JPG | image_caption = ''Coroniceras rotiforme'' | taxon = Coroniceras | authority = Hyatt, 1867 | subdivision_ranks = Species | subdivision_ref = <ref name="fossilworks">{{cite web | title= Paleobiology Database - Coroniceras | year = | url = https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=14719 | access-date = 17 December 2021 }}</ref> | subdivision = * ''C. bucklandi'' * ''C. charlesi'' * ''C. rotiforme'' * ''C. validanfractum'' | synonyms = * ''Arnioceratoides'' <small>Spath, 1922</small> * ''Epammonites'' <small>Spath, 1922</small> * ''Pararnioceras'' * ''Primarietites'' <small>Buckman, 1926 </small> * ''Saccaiaceras'' <small>Nannarone, 2002</small> * ''Venturi'' <small>Nannarone, 2002</small> }}

'''''Coroniceras''''' is a genus in the Arietitidae, a family in the ammonitid superfamily Psiloceratoidea, from the lower Sinermurian stage in the Lower Jurassic. It is a sub zone ammonite of the ''Arnioceras semicostatum'' Zone.

''Coroniceras'' has a thin discoidal form with a circular whorl section, arched venter, single tall keel, and few but strong ribs. ''Coroniceras'' is included in the subfamily Arietitinae.

Fossils of ''Coroniceras bucklandi'' are commonly found at Lyme Regis, Dorset Coast, England in the higher limestones of the Blue Lias.<ref>Davies, G. M. 1964. ''The Dorset Coast'' London: Adam and Charles Black.</ref>

==References== {{Reflist}}

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Category:Jurassic ammonites Category:Ammonitida genera Category:Early Jurassic ammonites of Europe Category:Sinemurian life Category:Arietitidae