• Quaternary of Argentina (1 collection), Bolivia (2), Brazil (14), Canada (1: Alberta), Chile (1), Mexico (1), Venezuela (1)

• Huayquerian of Argentina (1)

• Hemphillian of United States (1: Oregon)

• Miocene of Argentina (1), Brazil (2), Uruguay (1)

• Eocene of Antarctica (1), Namibia (1)

• Cenozoic of Brazil (2)

Total: 31 collections each including a single occurrence