• Cretaceous of Switzerland (1 collection)

• Triassic of Bosnia and Herzegovina (1), China (9), Hungary (2), Indonesia (3), Italy (25), Romania (2), United States (1: Alaska)

• Permian of Cambodia (1), China (7), Indonesia (1), Malaysia (1), Nepal (1), the Russian Federation (2), Tunisia (4), United States (12: Alaska, Arizona, California, Colorado, Texas, Utah)

• Carboniferous to Permian of United States (2: California)

• Carboniferous of Australia (6), Belgium (1), Canada (1: Alberta), China (1), the United Kingdom (10), United States (43: Alabama, California, Indiana, Iowa, Kansas, Nevada, New Mexico, Oklahoma, Texas, Utah, Wyoming)

• Givetian of France (4)

• Couvinien of Australia (1)

• Devonian of Australia (28), Austria (15), Canada (21: Manitoba, New Brunswick, Northwest Territories, Ontario, Quebec), China (4), the Czech Republic (10), France (3), Germany (27), Italy (3), Japan (1), Kyrgyzstan (1), Luxembourg (1), Mauritania (1), Morocco (5), Poland (6), the Russian Federation (1), the United Kingdom (5), United States (44: Alaska, California, Illinois, Maine, Maryland, Michigan, Missouri, Nevada, New York, Ohio)

• Niagaran of United States (2: Indiana, New York)

• Silurian to Devonian of Australia (1)

• Silurian of Argentina (3), Brazil (1), Canada (58: Manitoba, Northwest Territories, Nova Scotia, Nunavut, Ontario, Québec), China (15), the Czech Republic (15), Estonia (2), Germany (1), Greenland (2), Ireland (2), Lithuania (2), Norway (2), Paraguay (2), the Russian Federation (17), Sweden (15), Ukraine (3), the United Kingdom (12), United States (101: Alaska, California, Georgia, Illinois, Indiana, Iowa, Maryland, Michigan, New York, Ohio, Virginia, West Virginia, Wisconsin)

• Chazyan of United States (1: New York)

• Whiterockian of United States (3: California, Minnesota, Nevada)

• Arenigian of United States (3: Virginia)

• Arenig of Australia (1), China (9), United States (2: Montana, Oklahoma)

• Ordovician of Australia (4), Canada (92: British Columbia, Manitoba, Newfoundland, Newfoundland and Labrador, Northwest Territories, Nunavut, Ontario, Quebec, Québec), China (8), Estonia (5), Germany (1), Greenland (3), Ireland (1), Norway (4), Svalbard and Jan Mayen (2), Sweden (1), the United Kingdom (16), United States (208: Alaska, Arkansas, California, Georgia, Illinois, Iowa, Indiana, Iowa, Kentucky, Maryland, Michigan, Minnesota, Missouri, Montana, New York, Ohio, Oklahoma, Tennessee, Texas, Utah, Vermont, Virginia, Wisconsin, Wyoming)

• Tremadoc of China (2), United States (2: Montana, Utah)

Total: 942 collections including 1373 occurrences