• Quaternary of Italy (5 collections), United States (1: California)

• Pliocene to Pleistocene of Italy (1)

• Pliocene of Spain (1)

• Miocene of Saudi Arabia (2), United States (1: Nebraska)

• Eocene of United States (1: Wyoming)

• Cretaceous of Canada (1: Saskatchewan), France (2), India (1), Portugal (1), the United Kingdom (3), United States (21: Colorado, Montana, North Dakota, Texas, Wyoming)

• Jurassic of the United Kingdom (2), United States (1: Wyoming)

• Triassic of the United Kingdom (1)

Total: 45 collections including 49 occurrences