• Oligocene of Colombia (1 collection)

• Eocene of Italy (1), Nigeria (1)

• Paleocene of Mali (2)

• Cretaceous of Antarctica (1), Argentina (4), Canada (1: British Columbia), Egypt (1), France (7), Hungary (1), Oman (1), Portugal (1), South Africa (4), Sweden (1), the United Kingdom (1), United States (5: Texas)

• Jurassic of France (1), India (1)

• Triassic of Canada (1: British Columbia), China (1), Indonesia (1), Papua New Guinea (1), the Russian Federation (3), United States (11: Alaska, Idaho, Nevada, nevada)

• Permian of China (4), Greece (1), Iran (2), Malaysia (1), the Russian Federation (1), United States (3: Arizona, Texas), Venezuela (2)

• Namurian of Poland (1)

• Carboniferous of Antarctica (1), the Czech Republic (2), France (1), Ireland (3), the United Kingdom (35), United States (103: Alabama, Arkansas, California, Illinois, Indiana, Iowa, Kentucky, Montana, New Mexico, Oklahoma, Texas, Utah, Virginia)

• Givetian of China (1)

• Devonian of Australia (22), Austria (2), Canada (4: Northwest Territories, Nunavut, Yukon), China (2), the Czech Republic (22), Germany (12), Italy (2), Libya (2), Mongolia (1), Morocco (1), New Zealand (4), Poland (2), the Russian Federation (1), Tajikistan (3), Ukraine (2), United States (34: Colorado, Illinois, Montana, New York, Ohio, Tennessee), Venezuela (1)

• Silurian to Devonian of Argentina (1), Austria (1), the Czech Republic (1), Poland (1), United States (1: Oklahoma)

• Silurian of Argentina (2), Australia (11), Canada (4: Nova Scotia, Nunavut), China (3), the Czech Republic (15), France (1), Ireland (1), Italy (3), Jordan (4), Kazakhstan (1), Latvia (1), Lithuania (1), Norway (1), the Russian Federation (4), Svalbard and Jan Mayen (2), Ukraine (1), the United Kingdom (17), United States (44: Illinois, Indiana, Iowa, Missouri, New York, Ohio, Wisconsin)

• Dobrotivian of Portugal (1)

• Whiterockian of United States (1: Nevada)

• Chazyan of Canada (1: Northwest Territories), United States (2: Vermont)

• Arenig of Canada (2: Newfoundland and Labrador), United States (1: North Dakota)

• Arenigian of United States (1: Virginia)

• Canadian of United States (2: Virginia)

• Ordovician of Australia (1), Canada (4: Manitoba, Northwest Territories, Ontario), China (3), the Czech Republic (2), Estonia (2), Ireland (1), Morocco (2), Norway (2), South Africa (1), Sweden (1), the United Kingdom (2), United States (83: Alaska, Indiana, Iowa, Kentucky, Minnesota, Nevada, New York, Ohio, Pennsylvania, Tennessee, Utah, Virginia)

• Tremadoc of China (1), United States (1: Utah)

• Ibexian of United States (1: New York)

Total: 570 collections including 571 occurrences