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 Bitis Species Bitis albanica (Albany Adder) Species Bitis arietans (Puff Adder) Species Bitis armata (Southern Adder) Species Bitis atropos (Mountain Adder) Species Bitis caudalis (Horned Adder) Species Bitis cornuta (Many-horned Adder) Species Bitis gabonica (Gaboon Adder) Species Bitis heraldica (Angolan adder; Bocage's Horned Adder (after FRANK & RAMUS 1995).) Species Bitis inornata (Plain Mountain Adder, Hornless Adder) Species Bitis nasicornis (Rhinoceros Viper) Species Bitis parviocula (Ethiopian mountain adder, Ethiopia Viper) Species Bitis peringueyi (Peringuey's Adder, Dwarf Puff Adder) Species Bitis rubida (Red Adder) Species Bitis schneideri (Namaqua Dwarf Adder, Namaqua Puff Adder) Species Bitis worthingtoni (Kenya Horned Viper) Species Bitis xeropaga (Desert Mountain Adder)
