Requested reference
Valerio, C. E. (1980b). Arañas terafósidas de Costa Rica (Araneae: Theraphosidae). III. Sphaerobothria, Aphonopelma, Pterinopelma, Citharacanthus, Crypsidromus y Stichoplastus. Revista de Biología Tropical 28: 271-296. -- Show included taxa