• Quaternary of Japan (1 collection), Peru (1), United States (3: Alaska, California)

• Pliocene to Pleistocene of United States (1: California)

• Pliocene of Australia (1), Peru (1), United States (1: California)

• Miocene to Pliocene of Belgium (1), Chile (2), South Africa (2)

• Miocene of Australia (1), Belgium (3), Japan (6), Peru (1), Portugal (1), United States (3: California)

• Oligocene of Kazakhstan (1), United States (1: California)

Total: 31 collections each including a single occurrence