• Miocene of Japan (1 collection)

• Eocene of United States (2: Colorado, Oregon)

• Paleocene of United States (27: Colorado, Montana, North Dakota, Wyoming)

• Givetian of Canada (1: Northwest Territories)

• Devonian of Canada (4: Northwest Territories, Nunavut)

• Silurian of Brazil (1), China (2), Paraguay (1), the United Kingdom (4)

• Dobrotivian of Czechia (2), France (4), Morocco (1), Portugal (4), Spain (8)

• Whitlandian of the United Kingdom (3)

• Klabava of France (1)

• Arenig of Argentina (8), Bolivia (2), China (1), France (7), Morocco (2), the United Kingdom (1)

• Ordovician of Argentina (5), Australia (6), China (19), Czechia (11), France (7), Morocco (11), Norway (1), Portugal (1), Spain (11), Sweden (1), Türkiye (1), the United Kingdom (8), United States (13: Indiana, Kentucky, Minnesota, Minnesota, Illinois, Iowa, Ohio)

Total: 182 collections including 232 occurrences