• Quaternary of Argentina (1 collection), Australia (6), the Bahamas (1), Canada (3: British Columbia, Northwest Territories, Yukon), Cook Islands (1), Ecuador (1), Egypt (4), Hungary (1), Italy (1), Jamaica (3), Japan (2), Mauritius (1), New Caledonia (4), Peru (1), Poland (1), Portugal (1), Romania (2), the Russian Federation (1), Saudi Arabia (2), South Africa (1), United States (5: Alaska, California, Michigan, South Dakota)

• Blancan of United States (1: Arizona)

• Pliocene to Pleistocene of United States (1: California)

• Pliocene of Egypt (1), Greece (1), Italy (2), Japan (1), Kenya (1), Romania (9), Spain (2), Taiwan (1)

• Huayquerian of Argentina (1)

• Miocene to Pliocene of Jamaica (1)

• Miocene of Argentina (1), Austria (3), Colombia (1), France (2), Georgia (1), Greece (1), India (2), Indonesia (1), Iran (1), Italy (1), Japan (2), Kenya (1), Mexico (1), New Zealand (2), Panama (5), Peru (1), Portugal (1), Saudi Arabia (1), Slovakia (3), Spain (2), Switzerland (1), United States (4: California, Maryland, Texas)

• Oligocene to Miocene of New Zealand (2), Peru (2), the Philippines (1)

• Oligocene of Italy (6), Peru (2), Spain (2), Switzerland (1)

• Eocene of Antarctica (1), Australia (1), Belgium (1), Belize (1), Italy (2), Jamaica (1), Libya (1), New Zealand (1), Pakistan (2), Peru (1), Spain (2), the United Kingdom (7), United States (5: Florida, Georgia, Texas, Wyoming)

• Paleogene of Libya (1)

• Cenozoic of Peru (3)

• Paleocene of the Russian Federation (1), United States (3: Texas)

• Cretaceous to Paleogene of Belize (2), India (1)

• Cretaceous of Angola (1), Argentina (6), Australia (1), Austria (3), Brazil (1), Canada (1: Alberta), Croatia (1), India (2), Italy (2), Japan (1), Mexico (2), Mongolia (10), Portugal (1), the Russian Federation (1), Spain (1), Switzerland (1), Tunisia (1), United States (9: Arizona, Montana, New Jersey, New Mexico, South Dakota, Utah)

• Jurassic of China (1), Germany (1), Mongolia (1), New Caledonia (1), New Zealand (2), Poland (2), Portugal (2), Slovenia (2), Spain (1), the United Kingdom (15), United States (2: Nevada, Utah)

• Triassic of Greece (8), Italy (1), Slovenia (1), Switzerland (1), the United Kingdom (1), United States (16: Alaska, Colorado, Nevada, Texas)

• Permian of Tunisia (2), United States (1: Nevada)

• Carboniferous to Permian of United States (1: New Mexico)

• Carboniferous of China (1), United States (1: New Mexico)

• Devonian of Australia (1), Germany (3), Italy (1)

• Silurian of Australia (1), Libya (1), Norway (1), the United Kingdom (1), United States (4: Indiana, Iowa, Tennessee, Wisconsin)

• Dobrotivian of Spain (1)

• Ordovician of China (11), Estonia (3), India (1), Spain (1)

• Amgan of the Russian Federation (3)

• Solvan of the Russian Federation (3)

• Paleozoic of United States (1: Alaska)

• Cambrian of Antarctica (1), China (1), the Russian Federation (1), United States (3: Nevada, Pennsylvania)

Total: 308 collections each including a single occurrence