• Cretaceous of Egypt (1 collection), United States (1: Utah)

• Triassic of United States (4: Idaho, Nevada, Oregon)

• Devonian of Argentina (1), Australia (2), Brazil (4), China (15), Libya (1), Luxembourg (1), Morocco (5), New Zealand (1), Poland (1), the Russian Federation (3), Turkey (1), the United Kingdom (2), United States (241: Illinois, Maryland, Michigan, Nevada, New York, Ohio, Pennsylvannia), Vietnam (2)

• Silurian of Canada (1: Manitoba), China (1), Sweden (8), United States (2: New York)

• Ordovician of Canada (2: British Columbia), China (2), Poland (1), the United Kingdom (1)

Total: 304 collections including 311 occurrences