• Triassic of China (2 collections), India (1)

• Permian to Triassic of India (3)

• Permian of Afghanistan (5), Armenia (23), Australia (171), Austria (1), Azerbaijan (28), Bhutan (1), Bolivia (13), Brazil (1), Cambodia (1), Canada (27: British Columbia, Northwest Territories, Nunavut, Yukon), China (547), Croatia (1), Germany (1), Greece (23), Greenland (26), Guatemala (2), Hungary (8), India (8), Indonesia (8), Iran (87), Italy (25), Japan (36), Laos (3), Lithuania (3), Malaysia (21), Mexico (23), Mongolia (12), Myanmar (4), Nepal (21), New Zealand (6), Oman (51), Pakistan (279), Peru (8), the Russian Federation (63), Slovenia (4), Svalbard and Jan Mayen (5), Tajikistan (6), Thailand (41), Tunisia (10), Turkey (31), Ukraine (5), the United Arab Emirates (1), the United Kingdom (10), United States (721: Alaska, Arizona, California, Idaho, Kansas, Montana, Nevada, New Mexico, Oregon, Texas, Utah, Wyoming), Venezuela (8), Vietnam (2)

• Namurian of Egypt (1)

• Carboniferous to Permian of China (1), United States (12: California, Texas)

• Carboniferous of Antarctica (1), Argentina (6), Australia (56), Belize (5), Bolivia (5), Brazil (1), Canada (30: Alberta, British Columbia, Northwest Territories, Nunavut, Yukon), Chile (1), China (14), the Czech Republic (2), Egypt (2), Germany (1), India (6), Iran (2), Ireland (4), Italy (1), Libya (5), Malaysia (1), Mexico (1), Morocco (1), Peru (5), the Russian Federation (2), South Korea (4), Spain (1), Svalbard and Jan Mayen (1), Ukraine (2), the United Kingdom (65), United States (717: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Idaho, Illinois, Indiana, Iowa, Iowa/Illinois, Kansas, Kentucky, Maryland, Missouri, Montana, Nebraska, Nevada, New Mexico, Ohio, Oklahoma, Pennsylvania, Tennessee, Texas, Utah, Virginia, Wyoming)

• Devonian to Carboniferous of the United Kingdom (1)

• Devonian of Afghanistan (2), Algeria (2), Australia (27), Belgium (16), Bolivia (29), Brazil (23), Canada (27: Alberta, British Columbia, New Brunswick, Northwest Territories, Nova Scotia, Nunavut, Ontario, Quebec, Yukon), China (13), Colombia (28), France (6), Germany (15), Italy (1), Kazakhstan (1), Libya (4), New Zealand (3), Poland (5), the Russian Federation (8), South Africa (7), Ukraine (1), the United Kingdom (1), United States (209: Alaska, California, Colorado, Indiana, Iowa, Maryland, Maryland, West Virginia, Virginia, Michigan, Missouri, Montana, Nevada, New Mexico, New York, Ohio, Pennsylvania, Virginia, West Virginia, West Virginia, Maryland, Pennsylvania), Uruguay (1), Venezuela (1), Vietnam (4)

• Niagaran of United States (1: Indiana)

• Silurian to Devonian of United States (1: Oklahoma)

• Silurian of Australia (1), Canada (9: Northwest Territories, Yukon), China (1), Greenland (1), Mexico (3), the Russian Federation (1), Sweden (1), the United Kingdom (3), United States (70: Alaska, Indiana, Maryland, Michigan and Ohio, Missouri, New York, Oklahoma, Virginia, West Virginia)

• Ordovician of China (2), United States (4: Illinois, Ohio)

Total: 3876 collections including 5982 occurrences