Coroniceras

Coroniceras; Temporal range: Sinemurian PreꞒ Ꞓ O S D C P T J K Pg N
	Coroniceras rotiforme
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Ammonitida
Superfamily:	Psiloceratoidea
Family:	Arietitidae
Subfamily:	Arietitinae
Genus:	Coroniceras; Arkell (1947)
Species
	C. bucklandi; C. charlesi; C. rotiforme; C. validanfractum;
Synonyms
	Arnioceratoides Spath, 1922; Epammonites Spath, 1922; Pararnioceras; Primarietites Buckman, 1926 ; Saccaiaceras Nannarone, 2002; Venturi Nannarone, 2002;

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.^[3]

References

^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology. 363: 1–560. Archived from the original on 2008-05-07. Retrieved 2017-10-18.
^ "Paleobiology Database - Coroniceras". Retrieved 2014-05-28. {{cite web}}: Cite has empty unknown parameter: |coauthors= (help)
^ Davies, G. M. 1964. The Dorset Coast London: Adam and Charles Black.

[Sepkoski_Ceph-1] Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology. 363: 1–560. Archived from the original on 2008-05-07. Retrieved 2017-10-18.

[fossilworks-2] "Paleobiology Database - Coroniceras". Retrieved 2014-05-28. {{cite web}}: Cite has empty unknown parameter: |coauthors= (help)

[3] Davies, G. M. 1964. The Dorset Coast London: Adam and Charles Black.

[1]

[2]

[3]