• Cambrian of Iran (1 collection)

• Ediacaran of Burkina Faso (1), Canada (3: Nunavut), China (6), Iran (3), Namibia (1), the Russian Federation (6), Spain (1)

• Cryogenian of the Russian Federation (2)

• Tonian of Canada (7: Northwest Territories), the Russian Federation (1), Svalbard and Jan Mayen (1), United States (2: Arizona, Utah)

• Neoproterozoic of China (3)

• Statherian of China (6)

Total: 44 collections including 63 occurrences