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

• Permian of Australia (3), Bolivia (8), 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 (52: Alaska, Idaho, Kansas, Montana, Texas, Utah, Wyoming)

• Carboniferous of Argentina (6), Australia (5), Belgium (1), Belize (2), Bolivia (2), Canada (2: Alberta, Northwest Territories), the Czech Republic (2), Germany (4), Ireland (2), Peru (4), Spain (1), Ukraine (2), the United Kingdom (45), United States (149: 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), the Czech Republic (11), France (4), Germany (4), Libya (2), Mauritania (2), Morocco (1), New Zealand (1), Poland (5), South Africa (8), the United Kingdom (1), United States (93: 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), the Czech Republic (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)

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

• Uhaku of Sweden (6)

• Letna of the Czech Republic (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), the Czech Republic (8), 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 (84: Alaska, Illinois, Iowa, Indiana, Iowa, Kentucky, Maine, Michigan, Minnesota, Missouri, New York, Ohio, Oklahoma, Tennessee, Utah, Virginia)

Total: 1114 collections including 1235 occurrences