• Devonian of Australia (8 collections), Belgium (6), Canada (78: Alberta, Alberta, Saskatchewan, Mackenzie, British Colombia-Alberta, British Columbia, British Columbia-Alberta, Manitoba, Northwest Territories, Ontario), China (7), Czechia (5), France (3), Germany (7), Kazakhstan (8), Poland (6), the Russian Federation (11), Spain (8), Thailand (2), the United Kingdom (1), United States (34: Alaska, Arizona, California, Iowa, Nevada, New Mexico, New York), Vietnam (3)

• Silurian to Devonian of Tajikistan (1)

• Silurian of Canada (5: Northwest Territories and Yukon, Ontario, Quebec), China (14), Estonia (8), Japan (1), Mongolia (1), Poland (1), the Russian Federation (14), Sweden (1), Ukraine (4), United States (18: California, Kentucky, Ohio)

• Ordovician of Canada (1: Quebec), Estonia (5)

Total: 261 collections including 407 occurrences