Porthidium nasutum (Rainforest Hognosed Pitvipers)
Porthidium nasutum (Bocourt, 1868)
This species is distinguished from other viper species of Ecuador by the following combination of characters: (1) tail not prehensile; (2) lacunolabial absent; (3) undivided subcaudal scales 27-41 in males and 23-35 in females; (4) ventral scales 123-143 in males and 127-145 in females; (5)…
