• Triassic of Austria (2 collections), Bosnia and Herzegovina (4), Hungary (4), India (2), Italy (5), New Caledonia (1), Poland (1), Serbia and Montenegro (1), Slovakia (1), Svalbard and Jan Mayen (2)

• Permian of China (1), United States (1: California)

• Carboniferous to Permian of United States (1: California)

• Carboniferous of Australia (4), Canada (22: Alberta, Northwest Territories), China (1), the Czech Republic (1), United States (159: Alabama, Alaska, Arizona, Arkansas, California, Georgia, Idaho, Illinois, Indiana, Iowa, Kentucky, Missouri, Montana, Nevada, New Mexico, Oklahoma, Pennsylvania, Utah, Wyoming)

• Devonian of Afghanistan (1), Algeria (1), Italy (1), the Russian Federation (2), Tajikistan (1), Ukraine (1), the United Kingdom (1), United States (3: Colorado, Iowa, Montana, and Wyoming), Venezuela (1)

• Silurian to Devonian of Tajikistan (1)

• Silurian of Austria (1), Tajikistan (2)

Total: 229 collections including 255 occurrences