• Devonian of Belgium (46 collections), Canada (1: Manitoba), China (5), France (18), Germany (1), the Russian Federation (10), Tajikistan (1), United States (21: Alaska, Missouri, Montana, New York, Pennsylvania), Uzbekistan (1), Vietnam (3)

• Silurian to Devonian of Morocco (1)

• Silurian of United States (3: California)

Total: 111 collections including 113 occurrences