Perisphinctes

Perisphinctes; Temporal range:
	Exhibit from the Museum of Natural History in Berlin.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	†Ammonoidea
Order:	†Ammonitida
Family:	†Perisphinctidae
Subfamily:	†Perisphinctinae
Genus:	†Perisphinctes; Waagen, 1869
Type species
	Ammonites variocostatus; Buckland, 1836
Species
	P. abadiensis; P. arussiorum; P. birmensdorfensis; P. choffati; P. gallarum; P. hillebrandti; P. jubailensis; P. parandieri; P. picteti; P. roubyanus; P. stenocyclus; P. variocostatus;

Perisphinctes is an extinct genus of ammonite cephalopod. They lived during the Middle to Late Jurassic epochs and serve as an index fossil for that time period.^[5] The species P. boweni was named after the English chemist and geologist E. J. Bowen (1898–1980).^[6]

^ "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology. 2002. pp. 1–560. Archived from the original on 2016-02-25. Retrieved 2017-10-18.
^ Cite error: The named reference Waagen, 1869 was invoked but never defined (see the help page).
^ "Paleobiology Database - Perisphinctes". Retrieved 17 December 2021.
^ Cite error: The named reference Hemming, 1954 was invoked but never defined (see the help page).
^ Index Fossils, United States Geological Service, USA.
^ 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. 27: 83–101. doi:10.1098/rsbm.1981.0004. JSTOR 769866.

[1] "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology. 2002. pp. 1–560. Archived from the original on 2016-02-25. Retrieved 2017-10-18.

[Waagen,_1869-2] Cite error: The named reference Waagen, 1869 was invoked but never defined (see the help page).

[fossilworks-3] "Paleobiology Database - Perisphinctes". Retrieved 17 December 2021.

[Hemming,_1954-4] Cite error: The named reference Hemming, 1954 was invoked but never defined (see the help page).

[5] Index Fossils, United States Geological Service, USA.

[6] 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. 27: 83–101. doi:10.1098/rsbm.1981.0004. JSTOR 769866.

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