A review of the status and biogeography of the lizard genera Celestus and Diploglossus (Squamata: Anguidae), with description of two new species from Costa Rica

por Savage, Jay M, Lips, Karen R
Publicado 1993

Morphological variation in the tropical anole, Anolis casildae (Squamata: Polychrotidae)

por Nicholson, Kirsten E, Ibáñez D., Roberto, Jaramillo, César A, Lips, Karen R
Publicado 2001