Stephanoceras

Distribution:

• Jurassic of Argentina (1 collection), Australia (3), Canada (2: British Columbia), Chile (6), Egypt (1), India (1), Indonesia (1), Italy (1), Mexico (3), Saudi Arabia (5), Spain (2), Tunisia (3), Ukraine (2), United States (4: Idaho, Oregon, Utah)

• Permian of Italy (1)

Total: 36 collections including 46 occurrences

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