• Devonian of Afghanistan (1 collection), Australia (14), Austria (3), Canada (1: Yukon Territory), China (12), the Czech Republic (9), France (1), Germany (2), Kazakhstan (1), Mongolia (1), New Zealand (3), the Russian Federation (11), Spain (1), Tajikistan (4), Ukraine (1), United States (7: Alaska, New York, Tennessee), Uzbekistan (1), Vietnam (2)

• Whitwellian of Canada (3: Northwest Territories)

• Jaani of Estonia (8), Lithuania (3)

• Niagaran of Canada (3: Québec), United States (1: Indiana)

• Silurian to Devonian of Australia (1)

• Silurian of Afghanistan (1), Australia (16), Belarus (1), Canada (47: New Brunswick, Northwest Territories, Nunavut, Ontario, Québec), China (64), the Czech Republic (17), Estonia (6), Greenland (1), Iran (3), Ireland (1), Kazakhstan (5), Latvia (1), Lithuania (19), Mexico (12), Mongolia (5), Norway (2), the Russian Federation (8), Spain (2), Sweden (33), Tajikistan (1), Ukraine (6), the United Kingdom (31), United States (130: Alabama, Arkansas, California, Georgia, Illinois, Indiana, Iowa, Kentucky, Maryland, Missouri, Nevada, New Hampshire, New York, Oklahoma, Tennessee, Wisconsin), Venezuela (3)

• Ordovician of Australia (2), China (22), Spain (1)

Total: 534 collections including 704 occurrences