Orthosphinctes

Orthosphinctes Temporal range: Kimmeridgian^[1] PreЄ Є O S D C P T J K Pg N

Orthosphinctes sp., from Montejunto (Portugal), at the Museu Nacional de História Natural, Lisboa
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Ammonitida
Family:	Ataxioceratidae
Genus:	Orthosphinctes
Species ^[2]
O. alternans

Orthosphinctes is a genus of ammonites belonging to the order Ammonitida family Ataxioceratidae.

They lived in the late Jurassic period, in the Kimmeridgian age, which occurred 155.7-150.8 million years ago. These shelled ammonoids were nektonic, fast-moving and carnivore.

Fossils distribution

Jurassic of Algeria, France, India, Iran, Italy, Madagascar, Spain, Yemen. ^[2]

Gallery

Orthosphinctes colubrinus, from Mount Lochen near Balingen, Germany

References

Notes

↑ Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2014-05-28.
1 2 "Paleobiology Database - Pectinatites". Retrieved 2014-05-28.

Weblinks

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