• Quaternary of Canada (8: Alberta, Northwest Territories, Nova Scotia, Ontario, Quebec, Yukon collections), Czechia (2), France (2), Germany (12), Greece (7), Hungary (1), Italy (4), the Netherlands (3), North Atlantic (1), Romania (4), the Russian Federation (2), Spain (6), Türkiye (2), the United Kingdom (4), United States (67: Arizona, Arkansas, Florida, Georgia, Idaho, Illinois, Iowa, Kansas, Maine, Maryland, Massachusetts, Michigan, Missouri, Montana, Nebraska, Ohio, Oregon, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Virginia, West Virginia)

• Villafranchian of Greece (1), Hungary (1), Slovakia (3)

• MN 16 of Italy (3)

• Blancan of Mexico (1), United States (25: Arizona, California, Florida, Idaho, Kansas, New Mexico, Oregon, South Dakota, Washington)

• Pliocene to Pleistocene of Italy (2), Spain (1), United States (1: Montana)

• Pliocene of China (2), France (2), Germany (1), Greece (4), Kazakhstan (1), Poland (1), Romania (4), the Russian Federation (2), Spain (1), Ukraine (3), the United Kingdom (1), United States (2: Idaho)

• Turolian of the Russian Federation (1), Spain (1)

• Hemphillian of United States (11: Nebraska, Oregon, Washington)

• Miocene of Canada (2: Saskatchewan), China (2), France (21), Germany (7), Italy (1), Moldova (2), Poland (1), Serbia (1), Spain (1), Switzerland (5), Türkiye (3), Ukraine (1), United States (10: Colorado, Kansas, Nebraska, Nevada, Oregon)

• Oligocene of Belgium (2), China (2), France (1), Germany (3), Japan (1), Kazakhstan (9), Spain (1), Switzerland (1), Türkiye (1)

• Eocene of the United Kingdom (1)

Total: 279 collections including 298 occurrences