the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
Sarcopterygii (class)
Tetrapoda (no rank)
Amniota (no rank)
Sauropsida (no rank)
Sauria (no rank)
Lepidosauria (superorder)
Squamata (order)
Serpentes (suborder)
Colubroidea (superfamily)
Viperidae (family)
Viperinae (subfamily)
Bitis (genus)
[hide inferior taxa]
Bitis arietans (species)
Bitis caudalis (species)
Bitis gabonica (species)
Bitis gabonica gabonica (species)
Bitis nasicornis (species)
Bitis sp. (species)