Ancistrodon nepa (a taxonomic synonym) may refer to: * Hypnale nepa, a.k.a. Sri Lankan hump-nosed viper, venomous pitviper found in Sri Lanka * Hypnale walli, a.k.a. Wall's hump-nosed viper, venomous pitviper found in Sri Lanka This disambiguation page lists articles associated with the same full species scientific name. If an internal link led you here, you may wish to change the link to point directly to the intended article.