• Quaternary of Austria (1 collection), Belgium (1), Bolivia (2), Canada (2: British Columbia, Quebec), Chile (1), Croatia (1), France (25), Georgia (1), Germany (8), Greece (14), Hungary (9), India (1), Italy (14), Japan (1), Malta (1), Mexico (2), Morocco (2), the Netherlands (1), Niger (1), Northern Mariana Islands (2), Peru (1), the Philippines (2), Poland (10), Romania (1), Spain (26), Tunisia (1), the United Kingdom (23), United States (65: Alabama, Arizona, California, Colorado, Florida, Georgia, Kansas, Maryland, Michigan, Missouri, New Mexico, Pennsylvania, South Dakota, Sussex, Tennessee, Texas, Virginia, West Virginia)

• Blancan of United States (5: Arizona, Kansas, Nebraska)

• Pliocene to Pleistocene of France (1), Hungary (3)

• Pliocene of Argentina (8), Greece (5), Hungary (7), Italy (3), Morocco (1), Poland (3), Romania (1), Slovakia (1), Spain (5), Turkey (2), United States (1: Oregon)

• Hemphillian of Mexico (1), United States (8: Arizona, Florida, Indiana, Kansas, Nebraska)

• Miocene to Pliocene of Argentina (1)

• Miocene of Austria (2), Canada (1: Saskatchewan), Chile (1), China (2), Colombia (1), the Czech Republic (1), Germany (4), Hungary (2), Italy (4), Kazakhstan (2), Moldova (2), Romania (2), the Russian Federation (2), Slovakia (1), Spain (2), Turkey (1), Ukraine (1), United States (15: Florida, Kansas, Louisiana, Nebraska, South Dakota)

• Oligocene of United States (1: Florida)

• Eocene to Miocene of France (1)

• Eocene of Switzerland (1)

• Paleocene of France (1)

• Cretaceous of Portugal (1)

Total: 326 collections including 446 occurrences