Acanthina
Distribution:
• Quaternary of Argentina (3 collections), Chile (6), Ecuador (1), Mexico (16), Morocco (2), Peru (7), Spain (2), United States (27: California)
• Pliocene to Holocene of Chile (2)
• Pliocene to Pleistocene of Chile (1)
• Pliocene of Chile (6), Ecuador (1), Mexico (3), Peru (12), United States (1: California)
• Miocene to Pliocene of Chile (2)
• Miocene of Chile (3), Peru (21), United States (2: California)
• Oligocene of Ecuador (1), Peru (2)
• Eocene of Peru (1)
Total: 122 collections including 141 occurrences