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 155.7-152.1 million years ago.

These shelled ammonoids were nektonic, fast-moving and carnivore.

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

This Ammonitina-related article is a stub.