Protobothrops sieversorum

Protobothrops sieversorum, commonly known as the three horned-scaled pitviper or the three-horn-scaled pit-viper, is a species of venomous snake, a pit viper in the family Viperidae. The species is endemic to Vietnam.

Taxonomy
Protobothrops sieversorum was originally placed in the monotypic genus Triceratolepidophis. Guo et al. (2007) synonymised this genus with the genus Protobothrops, based on evidence that it is phylogenetically nested within the existing species of that genus.

Etymology
The specific name, sieversorum (masculine, genitive, plural), is in honor of the Sievers family, father Dr. J.-H. Sievers and sons Julian Sievers and Moritz Sievers, for their support of nature conservation and zoological research.

Geographic range
P. sieversorum is indigenous to Quang Binh Province, Vietnam.

Habitat
The preferred natural habitat of P. sieversorum is forest, at altitudes of 200 –.

Reproduction
P. sieversorum is oviparous.