• Permian of Germany (1 collection), the United Kingdom (2)

• Carboniferous of United States (11: Indiana)

• Devonian of France (2), Germany (4), Morocco (1), Poland (1)

• Silurian of the United Kingdom (1), United States (4: Indiana, New York)

• Ordovician of Canada (3: Ontario), Estonia (8), France (2), India (1), Norway (2), Sweden (2), the United Kingdom (3), United States (26: New York, Ohio, Oklahoma, Tennessee, Wisconsin)

Total: 74 collections including 85 occurrences