Kingdom Animalia (animals) Eumetazoa (metazoans) Bilateria (bilaterally symmetrical animals) Deuterostomia (deuterostomes) Phylum Chordata (chordates) Craniata (craniates) Subphylum Vertebrata (vertebrates) Superclass Gnathostomata (jawed vertebrates) Euteleostomi (bony vertebrates) Class Sarcopterygii (lobe-finned fishes and terrestrial vertebrates) Tetrapoda (tetrapods) Amniota (amniotes) Class Reptilia (turtles, snakes, lizards, and relatives) Order Squamata Family Viperidae Genus Ovophis Species Ovophis chaseni (Mount Kinabalu Pit Viper, ChasenÂ’s mountain pitviper) Species Ovophis monticola (Chinese Mountain Pit Viper (convictus) Species Ovophis okinavensis (Ryukyu Island Pit Viper, Okinawa pitviper) Species Ovophis tonkinensis (Tonkin pitviper)
