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 Scincidae Genus Nessia Species Nessia bipes (Two-legged Nessia) Species Nessia burtonii (Burton's Nessia) Species Nessia deraniyagalai (Deraniyagala's Nessia) Species Nessia didactyla (Two-toed Nessia) Species Nessia hickanala (Hickanala Nessia) Species Nessia layardi (Layard's Nessia) Species Nessia monodactyla (One-toed Nessia) Species Nessia sarasinorum (Muller's Nessia)