Coroniceras

From Wikipedia, the free encyclopedia

Coroniceras
Temporal range: Early Jurassic, Sinemurian[1]
Coroniceras rotiforme.JPG
Coroniceras rotiforme
Scientific classification e
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: †Ammonoidea
Order: †Ammonitida
Family: †Arietitidae
Subfamily: †
Genus: †Coroniceras
Hyatt, 1867
Species[2]
  • 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 .

Fossils of Coroniceras bucklandi are commonly found at Lyme Regis, Dorset Coast, England in the higher limestones of the Blue Lias.[3]

References[]

  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.
  2. ^ "Paleobiology Database - Coroniceras". Retrieved 17 December 2021.
  3. ^ Davies, G. M. 1964. The Dorset Coast London: Adam and Charles Black.
Retrieved from ""