Reference
Cesare Baroni Urbani (1995): Invasion and Extinction in the West Indian Ant Fauna revised: the Example of Pheidole (Amber Collection Stuttgart: Hymenoptera, Formicidae. VIII: Myrmicinae, partim) – Stuttgarter Beiträge Naturkunde Serie B [Paläontologie] – 222_B: 1 - 29.