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Eye in the ocular shield. No supraoculars. No temporals. No mental groove. Tail conical or obliquely truncated, terminating in a small scute, the end of which is square, or bicuspid with the points side by side.
^ abcdMcDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
^Boulenger, G.A. 1893. Catalogue of the Snakes in the British Museum (Natural History). Volume I., Containing the Families...Uropeltidæ... Trustees of the British Museum (Natural History). London. p. 144.