• Quaternary of Antarctica (1 collection), Argentina (1), Brazil (20), Canada (4: Nunavut, Quebec, Yukon), Chile (1), the Congo-Kinshasa (2), Ecuador (2), Egypt (2), Ethiopia (6), Greece (1), Italy (1), Kenya (36), New Zealand (1), North Pacific (1), the Philippines (4), the Russian Federation (1), South Africa (18), Sudan (4), Tanzania (5), the United Kingdom (1), United States (1: California), Venezuela (1), Zambia (3)

• Blancan of United States (4: California)

• Pliocene to Pleistocene of Australia (1), China (1), the Congo-Kinshasa (13), Ethiopia (1), South Africa (6)

• Pliocene of Argentina (8), Chile (1), Ethiopia (2), France (1), Kenya (1), Malawi (1), South Africa (2), Tanzania (16), Venezuela (1)

• Huayquerian of Argentina (3)

• Miocene to Pleistocene of Ethiopia (1)

• Miocene to Pliocene of Brazil (1), Ethiopia (2), South Africa (1), Tanzania (2)

• Miocene of Argentina (2), Brazil (2), Egypt (1), Japan (3), Kenya (2), Nepal (5), New Zealand (1), Pakistan (14), Panama (1), Slovakia (2), Switzerland (1), United States (6: California, Louisiana, Texas, Wyoming), Venezuela (2)

• Oligocene to Miocene of Pakistan (2)

• Oligocene of Colombia (1), Kenya (2), Mongolia (1), Oman (1), Pakistan (4), Peru (1), Spain (1), United States (1: Mississippi)

• Eocene to Pliocene of Brazil (3)

• Eocene of Algeria (7), Antarctica (4), China (1), India (3), Japan (1), Kyrgyzstan (3), Mexico (1), Mongolia (2), Pakistan (3), Peru (2), the Russian Federation (1), Somalia (1), Spain (2), Tunisia (1), Turkey (1), the United Kingdom (8), United States (8: Alabama, California, Oregon, Utah, Virginia, Washington, Wyoming)

• Paleogene of Peru (1)

• Cenozoic of Brazil (5), Mongolia (1)

• Paleocene of Argentina (1), Canada (1: Alberta), China (3), France (1), Mongolia (1), Morocco (2), United States (22: Colorado, Montana, New Mexico, South Carolina)

• Cretaceous of Argentina (4), Australia (4), Bolivia (1), Brazil (5), Cameroon (1), Canada (25: Alberta, British Columbia, Saskatchewan), Chile (1), China (5), France (3), Libya (1), Madagascar (2), Mongolia (11), the Russian Federation (2), Spain (2), Tunisia (1), the United Kingdom (4), United States (52: California, Colorado, Maryland, Montana, New Mexico, North Dakota, Texas, Utah, Wyoming), Uzbekistan (1)

• Jurassic to Cretaceous of Morocco (5)

• Jurassic of China (1), France (1), Kyrgyzstan (1), the Russian Federation (1), the United Kingdom (8), United States (21: Colorado, Utah, Wyoming)

• Triassic of China (1), Greenland (2), United States (2: Colorado)

Total: 500 collections including 566 occurrences