• Carboniferous of United States (1: Utah collection)

• Givetian of Morocco (2)

• Couvinien of Australia (1)

• Devonian of Afghanistan (14), Australia (21), Austria (3), Canada (22: Manitoba, Yukon), China (5), Czechia (5), Germany (35), Japan (4), Mongolia (11), Morocco (6), Poland (2), the Russian Federation (15), Spain (8), Tajikistan (1), Thailand (1), the United Kingdom (4), United States (16: Alaska, Indiana, Kentucky, New Jersey, New York), Vietnam (11), Western Sahara (1)

• Niagaran of United States (2: Indiana, Ohio)

• Silurian of Australia (5), Canada (12: British Columbia, Nunavut, Ontario, Quebec), China (5), Czechia (1), Estonia (5), India (2), Norway (2), the Russian Federation (7), Sweden (11), the United Kingdom (5), United States (5: Indiana, Iowa, Kentucky, New York, Ohio), Venezuela (1)

Total: 252 collections including 311 occurrences