• Quaternary of Australia (1 collection), Belgium (1), the Congo-Kinshasa (1), Ecuador (1), Ethiopia (6), Hungary (3), Indonesia (1), Italy (2), Kenya (8), Portugal (1), Tanzania (4), Thailand (1), United States (12: Alabama, California, Nevada, New Mexico, Tennessee)

• Blancan of United States (2: Arizona, California)

• Pliocene to Pleistocene of the Congo-Kinshasa (3), Ecuador (1), Kenya (1)

• Pliocene of Argentina (7), Canada (1: Northwest Territories), Chile (1), Ethiopia (2), Greece (2), Hungary (1), Kenya (5), Malawi (1), Morocco (1), New Zealand (1), South Africa (3), Spain (2), Tanzania (3)

• Huayquerian of Argentina (1)

• Hemphillian of United States (3: Florida, Oregon, Tennessee)

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

• Neogene of Taiwan (1)

• Miocene of Antarctica (1), Austria (1), Brazil (1), Canada (1: Northwest Territories), the Czech Republic (2), France (2), Greece (2), India (1), Jamaica (1), Japan (3), Kenya (3), Namibia (1), Nepal (1), Pakistan (7), Peru (2), Romania (2), Slovakia (1), Slovenia (1), South Africa (1), Spain (1), Turkey (1), United States (7: California, Georgia, Nebraska, Texas, Virginia)

• Oligocene of Australia (3), Canada (2: Saskatchewan), France (1), Germany (1), Libya (1), Pakistan (1), Peru (1), United States (7: Oregon, Puerto Rico, Washington)

• Eocene of Algeria (4), Antarctica (2), Argentina (1), China (2), Egypt (3), India (1), Jamaica (1), Madagascar (1), Peru (1), Spain (8), Tonga (1), Turkey (1), Ukraine (1), United States (14: Alaska, California, Oregon, South Carolina, Texas, Utah, Washington, Wyoming), Uzbekistan (1), Western Sahara (2)

• Paleocene of Canada (1: Alberta), China (1), France (1), Pakistan (1), Romania (4), United States (7: Alabama, Arkansas, California, New Jersey, Wyoming)

• Cretaceous of Angola (1), Argentina (18), Australia (4), Brazil (21), Cameroon (1), Canada (42: Alberta, British Columbia, Northwest Territories, Saskatchewan), Chile (4), China (12), Colombia (1), Cuba (1), Egypt (2), France (6), Germany (1), Hungary (1), India (4), Italy (1), Japan (6), Libya (1), Madagascar (2), Malawi (1), Mali (1), Mexico (1), Mongolia (16), Morocco (5), Niger (1), Romania (2), the Russian Federation (6), South Africa (1), South Korea (1), Spain (23), Sweden (1), Thailand (2), the United Kingdom (6), United States (106: Alabama, Alaska, Arizona, California, Colorado, Idaho, Montana, New Jersey, New Mexico, North Carolina, North Dakota, Oklahoma, South Carolina, South Dakota, Texas, Utah, Wyoming), Venezuela (1)

• Jurassic to Cretaceous of the United Kingdom (1)

• Jurassic of China (1), France (2), Germany (1), India (1), Japan (3), Kyrgyzstan (2), Lesotho (1), Madagascar (8), Niger (1), Portugal (2), Spain (1), Switzerland (2), Tanzania (1), the United Kingdom (8), United States (6: Oklahoma, Utah, Wyoming), Uruguay (2), Venezuela (1)

• Triassic to Jurassic of Madagascar (1), United States (1: Utah)

• Triassic of Belgium (1), Canada (17: British Columbia), Chile (1), China (10), India (1), Indonesia (2), Japan (2), Poland (3), Spain (1), Switzerland (1), Thailand (1), the United Kingdom (1), United States (30: Arizona, Colorado, New Mexico, Texas, Virginia)

• Permian of Australia (1), Brazil (1), Iran (1), United States (29: California, Idaho, Kansas, Montana, Nevada, Utah, Wyoming)

• Carboniferous of the United Kingdom (13), United States (4: Illinois, Indiana, Kansas, New Mexico)

• Devonian of Brazil (1), Canada (1: Ontario), United States (1: Colorado)

Total: 680 collections including 716 occurrences