• Quaternary of the Congo-Kinshasa (1 collection), Greenland (1), United States (3: California, Nevada, Washington)

• Pliocene to Pleistocene of China (1)

• Pliocene of United States (1: Idaho)

• Miocene to Oligocene of United States (1: Montana)

• Miocene of Canada (1: Northwest Territories), China (3), Ecuador (2), Poland (1), Switzerland (1), United States (8: California, Idaho, Montana, Nebraska, Nevada, Washington)

• Oligocene to Eocene of United States (1: Oregon)

• Oligocene to Miocene of Australia (1)

• Oligocene of India (1), United States (3: Montana, Oregon)

• Eocene of Canada (2: British Columbia), China (1), United States (59: Colorado, Idaho, North Dakota, Washington, Wyoming)

• Clarkforkian of United States (20: North Dakota, Wyoming)

• Paleocene of Canada (3: Alberta), the United Kingdom (1), United States (17: Colorado, Montana, North Dakota, Wyoming)

• Cretaceous of Argentina (5), Belgium (1), Brazil (1), Canada (10: Alberta, British Columbia, Saskatchewan), China (1), Germany (1), India (4), Japan (1), Kazakhstan (2), the Russian Federation (4), Svalbard and Jan Mayen (2), the United Kingdom (3), United States (41: Alaska, Montana, North Dakota, Oregon, Utah, Virginia, Wyoming)

• Jurassic to Cretaceous of Antarctica (1), Argentina (1), Canada (1: British Columbia), Egypt (1), India (2), Malaysia (1), Peru (2), the Russian Federation (7)

• Jurassic of Afghanistan (2), Antarctica (2), Argentina (12), Australia (4), Belarus (4), Chile (1), China (126), Egypt (1), France (3), Georgia (14), Germany (2), Greenland (6), India (15), Iran (3), Israel (2), Italy (2), Japan (6), Kazakhstan (20), Kyrgyzstan (2), Madagascar (1), Mexico (6), Mongolia (7), New Zealand (4), Poland (3), Portugal (3), Romania (28), the Russian Federation (184), Serbia and Montenegro (1), South Africa (1), South Korea (1), Sweden (1), Tajikistan (27), Turkmenistan (1), Ukraine (3), the United Kingdom (46), United States (10: Colorado, Montana, Oregon/Idaho, Utah, Wyoming), Uzbekistan (7)

• Triassic to Jurassic of Australia (1), Canada (3: Northwest Territories), Georgia (2), Honduras (1), Kazakhstan (1), Mexico (1), Sweden (1), Ukraine (1), the United Kingdom (1)

• Triassic of Afghanistan (1), Antarctica (2), Argentina (7), Australia (5), Austria (2), Brazil (1), Chile (7), China (121), France (7), Germany (27), Greenland (17), Hungary (3), India (5), Iran (6), Italy (10), Japan (4), Kazakhstan (2), Kyrgyzstan (3), Lesotho (2), Malaysia (1), Mexico (20), Mongolia (6), the Russian Federation (35), Serbia and Montenegro (1), South Africa (46), South Korea (6), Spain (2), Svalbard and Jan Mayen (3), Sweden (2), Switzerland (1), Tajikistan (6), Thailand (1), Ukraine (5), the United Kingdom (4), United States (17: Arizona, New Mexico, North Carolina, Texas, Utah, Virginia, Virginia/North Carolina), Vietnam (1)

• Permian to Triassic of India (2), South Africa (14)

• Permian of Antarctica (6), Argentina (7), Australia (33), Brazil (14), Canada (1: Prince Edward Island), China (110), the Congo-Kinshasa (1), the Czech Republic (4), Falkland Islands (Malvinas) (1), France (10), Germany (19), India (74), Indonesia (1), Italy (1), Madagascar (5), Malaysia (4), Mexico (2), Mongolia (13), Morocco (5), North Korea (8), Oman (1), Portugal (1), the Russian Federation (85), Saudi Arabia (2), South Africa (37), South Korea (6), Spain (3), Tanzania (3), the United Kingdom (4), United States (16: Arizona, Colorado, Michigan, Oklahoma, Texas), Venezuela (1), Zambia (1), Zimbabwe (5)

• Namurian of Germany (1), Spain (1)

• Carboniferous to Permian of Morocco (1), Spain (2), United States (1: New Mexico)

• Carboniferous of Belgium (1), Belize (2), Canada (23: New Brunswick, Newfoundland and Labrador, Nova Scotia, Nunavut, Prince Edward Island), Egypt (1), France (1), Germany (6), India (1), the Netherlands (1), Portugal (3), Spain (10), Turkey (3), Ukraine (4), the United Kingdom (21), United States (112: Alabama, Arizona, Colorado, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Missouri, Nebraska, New Mexico, Ohio, Oklahoma, Pennsylvania, Texas, Utah, West Virginia)

• Devonian of United States (4: Alaska, Indiana)

Total: 1886 collections including 3478 occurrences