• Quaternary of United States (1: California collection)

• Pliocene of Italy (1)

• Miocene of the Czech Republic (1), Mexico (1), United States (3: California, Nebraska)

• Oligocene to Miocene of Pakistan (1)

• Oligocene of Germany (1), Libya (1), Pakistan (1)

• Eocene of Belgium (1), France (1), India (2), Peru (1), the United Kingdom (7), United States (9: Alabama, Georgia, Texas)

• Paleocene of Kazakhstan (1), the Russian Federation (1), United States (7: Alabama)

• Cretaceous to Paleogene of New Zealand (1)

• Cretaceous of Antarctica (1), Argentina (1), Canada (2: British Columbia, Saskatchewan), Chile (1), China (1), Egypt (1), France (5), Madagascar (2), the Netherlands (1), Portugal (1), the Russian Federation (1), South Africa (1), Sweden (1), the United Kingdom (1), United States (14: Alaska, Arkansas, New Jersey, North Carolina, South Carolina, Tennessee, Texas, Utah)

• Jurassic of France (1), Luxembourg (1), Tanzania (2)

• Triassic of Austria (2), Belgium (3), Germany (3)

• Carboniferous of United States (1: Oklahoma)

Total: 89 collections each including a single occurrence