• Devonian of Algeria (9 collections), Antarctica (4), Australia (13), Belgium (4), Bolivia (8), Brazil (12), Colombia (1), the Czech Republic (1), France (11), Germany (5), Ghana (1), Libya (3), Luxembourg (3), Morocco (7), New Zealand (7), Poland (4), South Africa (14), Spain (7), Turkey (1), Ukraine (1), United States (70: New York, Pennsylvania), Uruguay (1), Venezuela (1)

• Silurian to Devonian of Algeria (1), Argentina (1), Australia (1), Morocco (2), Spain (1)

• Silurian of Algeria (1), Argentina (10), Australia (2), Bolivia (1), Canada (3: Nova Scotia, Ontario), China (1), France (2), Jordan (4), Morocco (1), Paraguay (2), Peru (1), Poland (3), Saudi Arabia (3), Spain (4), the United Kingdom (5), United States (54: Indiana, Maryland, New York, Tennessee, West Virginia)

• Dobrotivian of the Czech Republic (5), France (14), Morocco (4), Portugal (11), Spain (19)

• Letna of the Czech Republic (1)

• Fennian of France (1)

• Klabava of the Czech Republic (2), France (2)

• Arenig of Argentina (2), Bolivia (1), France (3), Morocco (3), the United Kingdom (1)

• Ordovician to Silurian of South Africa (1)

• Ordovician of Algeria (1), Argentina (3), Australia (1), Bolivia (9), Canada (9: Quebec, Québec), China (10), the Czech Republic (11), Estonia (1), France (27), Iran (4), Kazakhstan (3), Latvia (1), Morocco (27), Norway (2), Paraguay (1), Poland (1), Portugal (5), Saudi Arabia (1), Spain (14), Sweden (5), Turkey (4), the United Kingdom (30), United States (5: Florida, Nevada, Ohio)

• Tremadoc of Argentina (1), China (1)

Total: 538 collections including 654 occurrences