• Triassic of China (3 collections)

• Carboniferous of Australia (2), China (1), France (1), Ireland (3), Spain (1), the United Kingdom (1)

• Devonian of Afghanistan (4), Australia (5), Austria (1), Canada (6: Alberta, Nunavut), China (5), the Czech Republic (2), France (1), Germany (6), Morocco (2), the Russian Federation (7), Tajikistan (1), Thailand (1), the United Kingdom (1), United States (2: Alaska, Nevada)

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

• Silurian of Canada (3: Nunavut, Ontario, Quebec), the Russian Federation (1), Sweden (1), United States (3: Alaska, Indiana, Ohio)

• Arenig of Canada (2: Newfoundland and Labrador), United States (6: Oklahoma)

• Ordovician of Canada (3: Newfoundland and Labrador, Ontario), China (4), Kazakhstan (2), the Russian Federation (3), United States (4: Oklahoma, Texas)

• Tremadoc of China (1)

• Cambrian of Antarctica (2), Australia (9), Canada (9: British Columbia, Newfoundland and Labrador, Northwest Territories, Yukon), China (5), Germany (4), Italy (9), Mexico (6), Mongolia (9), Morocco (12), the Russian Federation (39), Spain (4), United States (10: Montana, Nevada, Texas, Wyoming)

• Solvan of United States (1: Tennessee)

• Ediacaran of India (1), the Russian Federation (1)

Total: 211 collections including 230 occurrences

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