• Devonian of Algeria (1 collection), Australia (5), Canada (6: New Brunswick, Nova Scotia, Quebec), the Czech Republic (5), France (1), Germany (4), Norway (1), Poland (4), the Russian Federation (4), Spain (1), Ukraine (1), the United Kingdom (1), United States (7: Florida, Indiana, New York, Ohio, Wyoming)

• Silurian to Devonian of Poland (1)

• Silurian of Australia (2), Bolivia (1), Canada (3: New Brunswick, Ontario), China (4), the Czech Republic (7), Estonia (2), Libya (2), Morocco (1), Norway (6), Poland (3), Spain (1), Sweden (1), Ukraine (2), the United Kingdom (15), United States (25: Florida, Indiana, Maryland, New York, Ohio, Pennsylvania, West Virginia), Vietnam (2)

Total: 119 collections including 179 occurrences