Orthosphinctes

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Orthosphinctes
Temporal range: Kimmeridgian[1]
Gasteropods - Ammonites - Orthosphinctes sp.JPG
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[edit]

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

Gallery[edit]

References[edit]

Notes
  1. ^ Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2014-05-28. 
  2. ^ a b "Paleobiology Database - Pectinatites". Retrieved 2014-05-28. 
Weblinks