• Devonian of Australia (5 collections), Canada (5: Northwest Territories, Quebec, Yukon), China (1), Czechia (1), Germany (2), United States (21: Nevada, New York, Oklahoma, Tennessee), Venezuela (1)

• Whitwellian of Canada (2: Northwest Territories)

• Jaani of Estonia (1), Lithuania (3)

• Niagaran of Canada (1: Québec)

• Silurian to Devonian of Australia (1), Italy (1), United States (1: Oklahoma)

• Silurian of Australia (2), Austria (2), Canada (26: Northwest Territories, Nunavut, Quebec, Québec, Yukon, Yukon Territory), China (7), Czechia (24), Estonia (1), Greenland (2), Italy (1), Lithuania (7), the Russian Federation (2), Sweden (7), Tajikistan (2), the United Kingdom (4), United States (69: Alabama, Arkansas, California, Indiana, Missouri, Nevada, New York, Tennessee, Wisconsin)

• Ordovician of Canada (1: Quebec)

Total: 203 collections including 222 occurrences