^Myers, C.W. (2003) Rare Snakes—Five New Species from Eastern Panama: Reviews of Northern Atractus and Southern Geophis (Colubridae: Dipsadinae)., American Museum Novitates 3391: 1-47
^ abBisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (red.) (). „Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist”. Species 2000: Reading, UK. Accesat în .Mentenanță CS1: Nume multiple: lista autorilor (link)
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