• Triassic to Jurassic of United States (1: Alaska collection)

• Carboniferous of China (1), the United Kingdom (1)

• Devonian of Australia (4), Canada (13: Alberta, Manitoba, Northwest Territories, Nunavut, Ontario, Quebec), China (17), Colombia (1), Czechia (2), France (3), Germany (7), Italy (1), Japan (1), Libya (1), Luxembourg (1), Morocco (1), the Russian Federation (4), Türkiye (1), the United Kingdom (6), United States (165: Alaska, Indiana, Iowa, Maryland, Missouri, Nevada, New York, Ohio, Pennsylvania, West Virginia), Venezuela (3), Vietnam (2)

• Silurian of Mongolia (1), the Russian Federation (1), the United Kingdom (6)

• Ordovician of China (2)

Total: 246 collections including 282 occurrences