• Miocene of Bulgaria (1 collection), France (2)

• Eocene to Oligocene of Germany (1)

• Eocene of Ukraine (1)

• Paleocene of United States (1: Texas)

• Cretaceous of Greenland (1), New Zealand (1), United States (2: California, Minnesota)

• Jurassic of Canada (3: British Columbia, Yukon), France (2), Germany (2), Greenland (27), United States (1: California)

• Triassic of Austria (1), Canada (4: British Columbia), China (10), Germany (5), Greenland (5), Hungary (1), Italy (1), Japan (4), New Zealand (1), Pakistan (3), Poland (1), the Russian Federation (20), Svalbard and Jan Mayen (1), the United Kingdom (1), United States (3: Idaho)

• Permian of Australia (3), Bolivia (8), Bosnia and Herzegovina (1), Canada (2: Nunavut, Yukon), China (33), Greenland (1), Italy (1), Japan (6), Lithuania (2), Mexico (7), Mongolia (1), New Zealand (1), Pakistan (2), Peru (1), the Russian Federation (22), the United Kingdom (6), United States (56: Alaska, Idaho, Kansas, Montana, Texas, Utah, Wyoming)

• Carboniferous of Argentina (6), Australia (5), Belgium (1), Belize (2), Bolivia (2), Canada (2: Alberta, Northwest Territories), Czechia (2), Germany (4), Ireland (2), Peru (4), Spain (1), Ukraine (2), the United Kingdom (47), United States (157: Alabama, Arizona, Arkansas, California, Idaho, Illinois, Indiana, Iowa, Iowa/Illinois, Kansas, Kentucky, Maryland, Missouri, Montana, Nevada, New Mexico, Ohio, Oklahoma, Texas, Utah, Virginia, Wyoming)

• Devonian of Antarctica (5), Argentina (2), Australia (2), Bolivia (1), Brazil (38), Canada (20: Manitoba, New Brunswick, Northwest Territories and Yukon, Nunavut, Quebec, Yukon Territory), China (10), Czechia (11), France (4), Germany (5), Libya (2), Mauritania (2), Morocco (1), New Zealand (1), Poland (5), South Africa (8), the United Kingdom (1), United States (92: Alaska, Indiana, Iowa, Missouri, Montana, Nevada, New York, Ohio, Pennsylvania, Wisconsin), Uruguay (1), Vietnam (2)

• Silurian to Devonian of Poland (1)

• Silurian of Australia (5), Belarus (1), Brazil (1), Canada (8: Nova Scotia, Ontario, Québec), China (2), Czechia (8), Latvia (1), Lithuania (11), Mexico (1), Norway (2), Poland (2), Sweden (7), the United Kingdom (43), United States (26: Illinois, Maryland, Michigan, Missouri, New York, Wisconsin)

• Uhaku of Sweden (6)

• Dobrotivian of Portugal (2), Spain (2)

• Letna of Czechia (1)

• Chazyan of United States (1: Alabama)

• Arenig of China (3), the United Kingdom (2)

• Dawan of China (1)

• Ordovician to Silurian of Canada (1: Québec), South Africa (1)

• Ordovician of Argentina (1), Australia (8), Bolivia (2), Canada (8: Ontario), China (21), Czechia (7), Estonia (11), Iran (1), Ireland (3), Kazakhstan (9), Norway (20), Poland (1), South Africa (1), Spain (2), Sweden (32), the United Kingdom (80), United States (75: Alaska, Illinois, Iowa, Indiana, Iowa, Kentucky, Maine, Michigan, Minnesota, Missouri, New York, Ohio, Oklahoma, Tennessee, Utah, Virginia)

Total: 1130 collections including 1251 occurrences