title: Ancistrodon hypnale
text: # Ancistrodon hypnale
  
  Hypnale walli is a taxonomic synonym that may refer to:
  
  * Hypnale hypnale, a.k.a. Merrem's hump-nosed viper, venomous pitviper found in Sri Lanka and southwestern India
  * Hypnale walli, a.k.a. Wall's hump-nosed viper, venomous pitviper found in Sri Lanka
  