 The anal plate is entire.The subcaudals number 31-44, and are divided (paired).Common names for "G. halys" include Siberian pit viper, Halys viper, Halys pit viper, Pallas' pit viper, Asiatic pit viper, Asiatic moccasin, shchitomordnik, Pallas' viper, Pallas pit viper, Korean pit viper, Mongolian pit viper.