• Cambrian of Argentina (1 collection), Canada (4: British Columbia, Newfoundland and Labrador, Yukon), China (1), Greenland (4), the Russian Federation (3), United States (7: California, Nevada, New York)

• Waucoban of United States (1: Washington)

• Ediacaran of India (1)

Total: 22 collections including 29 occurrences