Xenophidion schaeferi

Xenophidion schaeferi, also known commonly as the Malayan spinejaw snake or Schäfer's spiny-jawed snake, is a species of snake in the monotypic family Xenophidiidae. The species is endemic to Malaysia.
Etymology.
The specific name, "schaeferi" is in honor of German herpetologist Christian Schäfer who collected the holotype.
Geographic range.
"X. schaeferi" is found in the Malaysian state of Selangor, in western Peninsular Malaysia.
Habitat.
The preferred natural habitat of "X. schaeferi" is forest.
Reproduction.
"X. schaeferi" is oviparous.
DNA sequence divergence of sibling species.
In the genus "Xenophidion", there is one sister species, "X. acanthognathus". Molecular analyses of a new specimen of "X. acanthognathus" reveal that it only differs from the holotype of "X. schaeferi" by a minimum sequence divergence of 0.27%.