• 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), the Czech Republic (5), France (3), Germany (7), Kazakhstan (8), Poland (6), the Russian Federation (11), Spain (8), Thailand (2), the United Kingdom (1), United States (35: 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: 262 collections including 408 occurrences