Tolong jelaskan mengenai Dryocalamus

Dryocalamus adalah marga ular kolubrid yang terdapat di Asia Selatan, Asia Tenggara, hingga Indonesia dan Filipina.

Dryocalamus subannulatus (Duméril, Bibron & Duméril, 1854)

Boulenger GA. 1893. Catalogue of the Snakes in the British Museum (Natural History). Volume I. Containing the Families ... Colubridæ Aglyphæ, part. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiii + 448 pp. + Plates I-XXVIII. (Genus Dryocalamus, pp. 369-370).

Günther A. 1858. Catalogue of the Colubrine Snakes in the Collection of the British Museum. London: Trustees of the British Museum. (Taylor and Francis, printers). xvi + 281 pp. (Dryocalamus, new genus, p. 121).

Smith MA. 1943. The Fauna of British India, Ceylon and Burma, Including the Whole of the Indo-Chinese Sub-region. Reptilia and Amphibia, Vol. III.—Serpentes. London: Secretary of State for India. (Taylor and Francis, printers). xii + 583 pp. (Genus Dryocalamus, pp. 272-273, Figures 92-93).