Helicops pastazae (Shreve's keelbacks)
Helicops pastazae Shreve, 1934
This species is distinguished from other species of Helicops by the following combination of characters: (1) dorsal scale rows 23-25; (2) scales of the dorsal rows striated, dull, and with a moderately broad keel that does not reach the end of the scale; (3) internasal 1, generally separated from…
