
Appearance
Body slender and laterally compressed, tail long. Head elongated and distinct from neck. Pupil of eye round.Dorsal scales smooth or weakly keeled, with apical pits, and arranged in 15 or 17 rows at midbody. Ventrals rounded at sides, subcaudals paired (divided).
Maxillary teeth 20–25, subequal, except for the 3-5 most posterior, which are slightly enlarged and grooved on the outer surface. Anterior mandibular teeth strongly enlarged.
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