• Quaternary of Peru (1 collection)

• Miocene of Australia (1)

• Oligocene of Oman (1)

• Eocene of Italy (1)

• Paleocene of United States (2: California)

• Cretaceous of Chile (1)

• Jurassic of Argentina (1), Chile (2), Italy (4)

• Triassic of Serbia and Montenegro (1)

• Permian of Iran (1)

• Carboniferous of China (1), Germany (1), the United Kingdom (5)

• Devonian of Austria (2), Canada (1: Northwest Territories), the Czech Republic (4), Germany (1), Morocco (2), Spain (1)

• Silurian of Canada (3: Northwest Territories, Quebec), Greenland (1), the United Kingdom (1)

• Ordovician of India (1), Norway (1), Spain (1)

• Cambrian of China (3), the Russian Federation (1), United States (1: Utah)

• Poundian of Canada (1: Newfoundland and Labrador)

• Neoproterozoic of China (2)

Total: 50 collections including 51 occurrences