• Devonian of Algeria (2 collections), Australia (2), Austria (2), Canada (12: Manitoba, Northwest Territories and Yukon, Nunavut, Ontario, Yukon), China (45), the Czech Republic (97), France (2), Germany (6), Italy (2), Malaysia (3), Morocco (39), Myanmar (1), Poland (2), the Russian Federation (9), Spain (16), Tajikistan (6), Thailand (3), United States (21: Alaska, Michigan, New York), Uzbekistan (3), Vietnam (6)

• Silurian of Poland (1), the United Kingdom (1)

Total: 281 collections including 498 occurrences