Boulenger GA (1893). Catalogue of the Snakes in the British Museum (Natural History). Volume I. Containing the Families ... Boidæ ... Londres: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiii + 448 pp. + Plates I-XXVIII. (Enygrus carinatus, pp.107–109).
Schneider JG (1801). Historiae Amphibiorum naturalis et literariae Fasciculus Secundus continens Crocodilos, Scincos, Chamaesauras, Boas, Pseudoboas, Elaps, Angues, Amphisbaenas et Caecilias. Jena: F. Frommann. vi + 374 pp. + Plates I-II. (Boa carinata, new species, pp.261–263). (en latín)