• Quaternary of Belgium (1 collection), Canada (1: Quebec), Croatia (1), France (19), Germany (10), Greece (16), Hungary (6), Ireland (4), Israel (2), Italy (7), Japan (1), Madagascar (1), Mexico (3), Morocco (1), the Netherlands (1), Palau (9), the Philippines (1), Poland (13), Romania (1), South Africa (2), Spain (16), Tanzania (2), Turkey (1), the United Kingdom (27), United States (73: Alabama, Arizona, California, Colorado, Florida, Georgia, Kansas, Maryland, Michigan, Missouri, Montana, Nevada, New Mexico, Pennsylvania, South Dakota, Sussex, Texas, Virginia, West Virginia)

• Blancan of Mexico (1), United States (6: Florida, Kansas, Nebraska)

• Pliocene to Pleistocene of France (1), Hungary (2)

• Pliocene of Armenia (1), France (1), Germany (1), Greece (9), Hungary (6), India (2), Italy (2), Poland (3), Slovakia (1), Spain (6), Turkey (7)

• Hemphillian of United States (9: Arizona, California, Florida, Indiana, Nebraska, Tennessee)

• Miocene of Afghanistan (1), Austria (3), China (3), the Czech Republic (2), France (1), Germany (7), Greece (4), Hungary (7), India (2), Italy (7), Kazakhstan (1), Moldova (3), Morocco (1), Romania (2), the Russian Federation (2), Spain (5), Thailand (1), Turkey (1), Ukraine (2), United States (26: California, Florida, Kansas, Louisiana, Nebraska, Nevada, South Dakota, Texas)

• Oligocene of Australia (1), France (2), Germany (4), Tanzania (2)

• Eocene of Algeria (1), France (4), Germany (1), India (2), Namibia (2)

• Cretaceous of India (1), Niger (1)

Total: 379 collections including 527 occurrences