• Quaternary of Canada (3: Alberta, Ontario collections), China (2), Italy (1), Mexico (1), Portugal (1), Spain (1), the United Kingdom (2), United States (6: California, Kansas, Michigan, Nevada, Texas)

• Blancan of United States (1: California)

• Pliocene to Pleistocene of Greece (1)

• Pliocene of India (1)

• Hemphillian of United States (2: Indiana, Kansas)

• Miocene of Croatia (3), Georgia (1), Greece (1), Slovakia (1), Spain (1), Turkey (1)

• Oligocene of Germany (1), Turkey (1), United States (3: Montana)

• Eocene of Algeria (1), the United Kingdom (1), United States (1: Nevada)

• Paleocene of Romania (2)

• Cretaceous of Brazil (1), Canada (1: Alberta), India (1)

• Jurassic of India (1)

• Triassic of United States (1: North Carolina)

• Carboniferous of Germany (8)

Total: 53 collections including 89 occurrences

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