• Quaternary of Argentina (3 collections), Belize (1), Bolivia (1), Brazil (9), Mexico (5), United States (32: Arizona, California, Florida, Kansas, New Mexico, Oklahoma, Texas), Uruguay (2)

• Blancan of Mexico (1), United States (4: California)

• Pliocene to Pleistocene of Uruguay (1)

• Pliocene of Argentina (4), Bolivia (1), Chile (2), Colombia (1), Peru (1)

• Huayquerian of Argentina (4)

• Miocene to Pliocene of Argentina (2), Chile (1)

• Miocene of Argentina (7), Bolivia (4), Brazil (1), Chile (3), Colombia (2), Peru (6)

Total: 98 collections including 100 occurrences