↑"Rhoptropus ". ITIS (Integrated Taxonomic Information System). www.itis.gov.
↑"Rhoptropus ". The Reptile Database. www.reptile-database.org.
↑ 가나Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN978-1-4214-0135-5. (Rhoptropus barnardi, p. 17; R. boultoni, p. 35).
참고 문헌
Boulenger GA (1885). Catalogue of the Lizards in the British Museum (Natural History). Volume I. Geckonidæ ... London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xii + 436 pp. + Plates I-XXXII. (Genus Rhoptropus, p. 217; R. afer, p. 217).
Branch, Bill (2004). Field Guide to Snakes and Other Reptiles of Southern Africa. Third Revised edition. Second impression. Sanibel Island, Florida: Ralph Curtis Books. 399 pp. ISBN0-88359-042-5. (Genus Rhoptropus, p. 266; R. afer, R. barnardi, R. biporosus, R. boultoni, R. bradfieldi, pp. 267–268 + Plate 92).
Peters W (1869). "Eine Mittheilung über neue Gattungen und Arten von Eidechsen ". Monatsberichte der Königlich Preussischen Akademie der Wissenschaften zu Berlin1869: 57-66 + one plate. (Rhoptropus, new genus, p. 58; Rhoptropus afer, new species, pp. 59–60 + Figure 2). (in Latin and German).