• Jurassic of Germany (1 collection), Poland (2)

• Triassic of Italy (1)

• Carboniferous of Australia (1)

• Givetian of China (1)

• Devonian of Australia (7), Belgium (2), China (14), the Czech Republic (1), France (1), Germany (8), Kyrgyzstan (1), Morocco (3), the Russian Federation (3)

• Silurian of Estonia (1), the Russian Federation (1), Sweden (13), Ukraine (1), the United Kingdom (3), United States (5: Alaska)

• Chazyan of United States (2: Vermont, Virginia)

• Ordovician of Canada (2: Quebec), China (5), the Russian Federation (3)

• Cambrian of Mongolia (1)

Total: 83 collections including 87 occurrences