Perisphinctes

Perisphinctes Temporal range: Callovian–Tithonian[1] PreЄ Є O S D C P T J K Pg N
Exhibit from the Museum of Natural History in Berlin.
Conservation status
Fossil
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Ammonitida
Family:	Perisphinctidae
Genus:	Perisphinctes Waagen, 1869
Species [2]
P. abadiensis P. boweni P. arussiorum P. choffati P. gallarum P. hetaerus P. plicatilis P. roubyanus P. stenocyclus

Perisphinctes is an extinct genus of ammonite cephalopod. They lived during the Jurassic Period and serve as an index fossil for that time period.^[3]

The Perisphinctes boweni ammonite was named after the English chemist and geologist E. J. Bowen (1898–1980).^[4]

Distribution

Shells of species belonging to this genus have been found in the Jurassic of Antarctica, Argentina, Cuba, Ethiopia, France, Germany, India, Iran, Italy, Madagascar, Poland, Portugal, Russia, Saudi Arabia, Spain, Switzerland, the United Kingdom and Yemen.

Gallery

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  Perisphinctes virguloides

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  Perisphinctes choffati

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  Perisphinctes plicatilis

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  Perisphingtes oxfordien

References

1. Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2014-05-28.
2. "Paleobiology Database - Perisphinctes". Retrieved 2014-05-28.
3. Index Fossils, United States Geological Service, USA.
4. Bell, R. P. (November 1981). "Edmund John Bowen 29 April 1898 – 19 November 1980 Elected F.R.S. 1935". Biographical Memoirs of Fellows of the Royal Society (The Royal Society) 27: 83. doi:10.1098/rsbm.1981.0004.