• Quaternary of Canada (3: Alberta, British Columbia, Ontario collections), China (3), France (1), India (21), Italy (2), Japan (4), North Atlantic (1), North Pacific (138), Portugal (2), the United Kingdom (1), United States (16: Alaska, Michigan, North Carolina, Ohio, Utah, Virginia, Washington)

• Villafranchian of Slovakia (2)

• Pliocene to Pleistocene of China (1), Italy (1)

• Pliocene of Canada (1: Northwest Territories), China (4), Germany (5), Japan (1), North Atlantic (1), North Pacific (6), Portugal (10), United States (2: Massachusetts, Nevada)

• Miocene to Pliocene of Canada (1: Nunavut), France (1), Germany (1), Japan (2), North Atlantic (1)

• Miocene to Oligocene of United States (1: Montana)

• Neogene of United States (1: Massachusetts)

• Miocene of Azerbaijan (2), Belgium (1), Canada (1: Northwest Territories), China (3), Germany (10), Japan (5), Poland (2), Portugal (1), the Russian Federation (8), Türkiye (1), United States (32: Alaska, California, Idaho, Maryland, Massachusetts, Montana, Nebraska, Nevada, Virginia)

• Oligocene to Miocene of United States (2: Maryland, Montana)

• Oligocene to Eocene of United States (1: Oregon)

• Oligocene of Azerbaijan (2), Germany (9), the Russian Federation (4), United States (2: Idaho, Virginia)

• Eocene of Canada (4: British Columbia, Nunavut), Japan (1), United States (3: Colorado, Idaho)

• Tertiary of Canada (1: Nunavut), Japan (1)

• Cretaceous of Canada (1: Alberta), the Russian Federation (1), Svalbard and Jan Mayen (2)

• Jurassic of the Russian Federation (1)

Total: 335 collections including 430 occurrences