^Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp.
ISBN978-1-4214-0135-5. (Riama petrorum, p. 204).
Further reading
Doan TM,
Castoe TA (2005). "Phylogenetic taxonomy of the Cercosaurini (Squamata: Gymnophthalmidae), with new genera for species of Neusticurus and Proctoporus ". Zoological Journal of the Linnean Society143: 405–416. (Riama petrorum, new combination).
Kizirian, David A. (1996). "A Review of Ecuadorian Proctoporus (Squamata: Gymnophthalmidae) with Descriptions of Nine New Species". Herpetological Monographs10: 85–155. (Proctoporus petrorum, new species).