• Devonian of Afghanistan (4 collections), Algeria (1), Australia (10), Belarus (1), Belgium (7), Canada (37: Northwest Territories, Northwest Territories and Yukon, Nunavut), China (1), the Czech Republic (13), France (2), Germany (12), Libya (2), Mongolia (1), Morocco (8), Poland (5), the Russian Federation (18), Spain (2), Tajikistan (6), Ukraine (11), United States (15: Alaska, Nevada, Oklahoma, Tennessee), Uzbekistan (4), Vietnam (1)

• Jaani of Estonia (2), Lithuania (2)

• Niagaran of Canada (1: Québec)

• Silurian to Devonian of United States (1: Oklahoma)

• Silurian of Australia (1), Austria (1), Belarus (2), Canada (5: New Brunswick, Nova Scotia, Québec, Yukon), China (3), the Czech Republic (7), Ireland (1), Latvia (1), Lithuania (8), Mexico (9), Poland (1), Spain (1), Sweden (20), Tajikistan (1), Ukraine (5), the United Kingdom (56), United States (11: Indiana, Iowa, Oklahoma, Tennessee, Wisconsin), Venezuela (2)

• Ordovician of China (1)

Total: 303 collections including 356 occurrences