reptile having a pair of openings in the skull behind each eye

snakes

mostly harmless temperate-to-tropical terrestrial or arboreal or aquatic snakes

wormlike burrowing snake of warm regions having vestigial eyes

any of various large nonvenomous snakes that kill their prey by crushing it in its coils

any of numerous venomous fanged snakes of warmer parts of both hemispheres

any of numerous venomous aquatic viviparous snakes having a fin-like tail; of warm littoral seas; feed on fish which they immobilize with quick-acting venom

snakes