• Silurian of Czechia (4 collections), Estonia (52), Latvia (1), the Russian Federation (2), Ukraine (4)

• Dobrotivian of France (1)

• Ordovician of Argentina (1), Canada (6: Quebec), China (1), Estonia (6), Morocco (1), Portugal (1), the Russian Federation (3), South Africa (1), Spain (1), Sweden (2), United States (1: New York)

Total: 88 collections including 154 occurrences