New elevational record for Walker’s Slender Snake, Tachymenis attenuata Walker 1945 (Squamata: Dipsadidae), with notes on taxonomy and natural history

Abstract

Numbers of ventral and subcaudal scales and solid maxillary teeth distinguish the latter from congeners and differentiate the two subspecies (T. a. attenuata and T. a. boliviana) (Walker 1945). In Bolivia the known distribution of the spe-cies includes the departments of Cochabamba, La Paz, and