• Triassic of Italy (1 collection)

• Permian of Australia (2), Indonesia (3), Iran (3), United States (1: Alaska)

• Chesterian of United States (1: Arkansas)

• Osagean of United States (1: Kentucky)

• Carboniferous of France (1), Germany (2), Ireland (1), Morocco (1), Ukraine (1), the United Kingdom (4), United States (2: Georgia, Kentucky)

• Couvinien of Australia (1)

• Devonian of Afghanistan (15), Australia (58), Austria (7), Belgium (9), Canada (55: Manitoba, New Brunswick, Northwest Territories, Nunavut, Ontario, Quebec, Yukon), China (22), Colombia (1), the Czech Republic (5), France (3), Germany (42), Italy (2), Japan (3), Kazakhstan (1), Kyrgyzstan (1), Laos (1), Mongolia (21), Morocco (16), New Zealand (7), Poland (4), the Russian Federation (48), Saudi Arabia (1), South Africa (1), Spain (34), Tajikistan (25), Thailand (4), Ukraine (3), the United Kingdom (10), United States (211: Alaska, California, Illinois, Indiana, Kentucky, Montana, Nevada, New Jersey, New York, Ohio, Pennsylvania, Tennessee), Uzbekistan (4), Venezuela (1), Vietnam (19), Western Sahara (1)

• Clinton of Canada (11: British Columbia)

• Silurian to Devonian of Australia (1), Pakistan (1), the Russian Federation (1), South Pacific (1), Tajikistan (1), Ukraine (1), United States (2: Oklahoma, Virginia)

• Silurian of Afghanistan (2), Argentina (1), Australia (19), Belarus (2), Canada (144: Manitoba, New Brunswick, Northwest Territories, Northwest Territories and Yukon, Nunavut, Ontario, Quebec, Québec, Yukon), China (70), the Czech Republic (9), Estonia (125), Greenland (8), India (5), Ireland (2), Jordan (2), Kazakhstan (4), Lithuania (1), Malaysia (1), Mexico (1), Mongolia (11), Norway (19), Paraguay (1), Poland (1), the Russian Federation (122), Svalbard and Jan Mayen (2), Sweden (28), Tajikistan (5), Ukraine (19), the United Kingdom (19), United States (185: Alaska, California, Illinois, Indiana, Iowa, Kentucky, Maryland, Michigan, Missouri, Nebraska, New Hampshire, New York, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, West Virginia, Wisconsin), Uzbekistan (1)

• Niagaran of United States (3: Indiana, New York, Ohio)

• Ordovician to Devonian of Canada (1: Nunavut)

• Ordovician to Silurian of Canada (9: British Columbia, Northwest Territories, Québec), United States (1: Alaska)

• Ordovician of Australia (7), Canada (44: Manitoba, Northwest Territories, Nunavut, Ontario, Quebec, Québec), China (10), Estonia (33), France (1), Mongolia (1), Norway (1), the Russian Federation (20), Sweden (1), the United Kingdom (5), United States (39: Alaska, Colorado, Georgia, Kentucky, Michigan, Nevada, New Mexico, Tennessee, Texas, Wyoming)

Total: 1664 collections including 3044 occurrences