Bitis

Bitis Viperidae familiako narrasti genero bat da. Afrikan bizi dira.

Espezieak 
 Bitis albanica Hewitt, 1937
 Bitis arietans (Merrem, 1820)
 Bitis armata (Smith, 1826)
 Bitis atropos (Linnaeus, 1758)
 Bitis caudalis (Smith, 1839)
 Bitis cornuta (Daudin, 1803)
 Bitis gabonica (Duméril, Bibron & Duméril, 1854)
 Bitis heraldica (Bocage, 1889)
 Bitis inornata (Smith, 1838)
 Bitis nasicornis (Shaw, 1802)
 Bitis parviocula Böhme, 1976
 Bitis peringueyi (Boulenger, 1888)
 Bitis rhinoceros (Schlegel, 1855)
 Bitis rubida Branch, 1997
 Bitis schneideri (Boettger, 1886)
 Bitis worthingtoni Parker, 1932
 Bitis xeropaga Haacke, 1975

Kanpo estekak 

Viperinae