. "(—Mertens, 1937)" . "*Vipera ocellata (A. Smith, 1838)" . . "*Vipera caudalis (—Jan, 1859)" . "*Cerastes ocellatus" . "*Bitis caudalis" . "(— A. Smith, 1838)" . . "(— A. Smith, 1839)" . "*V[ipera]. (Cerastes) caudalis (— Jan, 1863)" . "(—Gray, 1842)" . "*Bitis caudalis caudalis" . . . . "*Bitis caudalis (— Branch, 1991)" . . "(— Mertens, 1955)" . . . "Bitis caudalis is a venomous viper species found in the arid region of southwest Africa, easily distinguished by the presence of a single, large horn-like scale over each eye. No subspecies are currently recognized."@en . "*Vipera (Cerastes) caudalis" . . "*Cerastes caudalis" . "(—Boulenger, 1896)" . "*Cobra caudalis" . "*Vipera caudalis (A. Smith, 1839)" .