• Devonian of Germany (1 collection), Spain (1), United States (2: Nevada)

• Silurian of Canada (5: British Columbia), Greenland (1), Portugal (1), United States (1: Nevada)

• Klabava of the Czech Republic (1)

• Ordovician of Argentina (1), the United Kingdom (4), United States (1: Idaho)

• Tremadoc of Argentina (1), United States (1: New York)

• Cressagian of the United Kingdom (1)

• Cambrian to Ordovician of Argentina (1)

• Cambrian of Argentina (4), Canada (3: British Columbia), China (37), Denmark (2), Italy (1), Mexico (3), Norway (2), the Russian Federation (18), the United Kingdom (2), United States (20: Georgia, New York, Utah, Vermont)

• Amgan of Norway (1)

• Solvan of Argentina (1), Canada (1: British Columbia)

• Delamaran of Canada (11: British Columbia), United States (3: Pennsylvania, Utah)

• Ediacaran of Namibia (1)

Total: 133 collections including 202 occurrences