• Quaternary of United States (1: Florida collection)

• Oligocene of Slovenia (1), United States (1: Washington)

• Paleocene of United States (1: New Jersey)

• Jurassic of France (1)

• Permian of New Zealand (1), Oman (1)

• Carboniferous of Canada (2: Alberta), United States (1: New Mexico)

• Devonian of Canada (1: Alberta), United States (6: New York)

• Silurian of the United Kingdom (4)

• Arenig of Norway (1)

• Ordovician of the United Kingdom (5), United States (11: Nevada, New York, Virginia)

• Tremadoc of France (1)

• Cambrian of Morocco (1)

Total: 40 collections including 41 occurrences