• Triassic of Argentina (1 collection), Austria (1), Chile (1), China (3), France (3), Germany (17), Hungary (1), Iran (1), Italy (18), Kyrgyzstan (1), New Zealand (1), the Russian Federation (1), Serbia and Montenegro (1), South Africa (18), Spain (1), Switzerland (2), Ukraine (1), the United Kingdom (2), United States (2: North Carolina)

• Permian of Brazil (3), China (2), Germany (10), Hungary (1), India (2), Italy (1), Kenya (1), Madagascar (4), Peru (1), the Russian Federation (6), Saudi Arabia (2), the United Kingdom (5), United States (4: Arizona, Colorado, Kansas, Texas)

• Carboniferous of United States (1: Arizona)

Total: 119 collections including 142 occurrences