. . "* Vipera heraldica (Bocage, 1889)" . . "Common name: Angolan adderBitis heraldica is a venomous viper species found only in Angola, easily distinguished from B. caudalis by its heavily speckled belly and lack of any supraocular \"horns\". No subspecies are currently recognized."@en . "* Bitis peringueyi" . . "(—Boulenger, 1896)" . . "(— Betherncourt-Ferreira, 1898)" . . "* Bitis heraldica" . . . . .