Global InformationCleviceras information
| Cleviceras Temporal range: Early Jurassic,
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| Cleviceras exaratum | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Family: | †Hildoceratidae |
| Subfamily: | †Harpoceratinae |
| Genus: | †Cleviceras Howarth, 1992 |
| Type species | |
| Ammonites exaratus Young & Bird, 1828
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| Species | |
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Cleviceras is an extinct genus of cephalopod belonging to the family Hildoceratidae. These cephalopods existed in the Jurassic period, during Toarcian and possibly even uppermost Pliensbachian age.[1][2] Sometimes, it is considered to be a synonym of Eleganticeras.[3]
- ^ M. K. Howarth 2013. Treatise on Invertebrate Paleontology, Part L, Revised, Volume 3B, Chapter 4: Psiloceratoidea, Eoderoceratoidea, Hildoceratoidea.
- ^ KAMATA, Yoshihito; MIZOBE, Shin-Ichi; SATO, Tadashi. An Early Jurassic ammonite from a limestone conglomerate in the Kuzu Complex of the Ashio Belt. Paleontological Research, 2003, 7.3: 185-194.
- ^ Marc BÉCAUD (2006) LES HARPOCERATINAE, HILDOCERATINAE ET PARONICERATINAE DU TOARCIEN DE LA VENDÉE ET DES DEUX-SÈVRES (FRANCE).