New morphological data including hemipenis morphology is provided for Opisthotropis
jacobi, a poorly known Mountain Stream Keelback from Vietnam and China, based on three …

The description of Opisthotropis tamdaoensis, which was based on the male holotype only,
is expanded herein on the basis of four newly collected specimens from the type locality of …

Abstract The Yellow-spotted Mountain Stream Keelback Opisthotropis maculosa was
originally described based on a single male specimen from northeastern Thailand. Recently …

We provide an expanded morphological description of the rarely known Lau's stream snake
Opisthotropis laui Yang, Sung and Chan, 2013 based on six new specimens from …

The taxonomic status of the previous record of Opisthotropis maculosa Stuart & Chuaynkern,
2007 from Guangdong and Guangxi, southern China, is revised based on the comparison of …

Two specimens, a male and a female, of the genus Opisthotropis Günther, 1872 were
collected in a karst formation of northern Louangphabang (or Luang Prabang) Province …

A new species of the snake genus Opisthotropis Günther, 1872, Opisthotropis cucae sp.
nov., is described from Kon Tum Plateau in central Vietnam. It is distinguished from any …

Opisthotropis maculosa was described based on a single specimen collected from
northeastern Thailand in 2007. We collected three specimens from Guangxi and …

We examined and identified preserved specimens, skins, and photographs from a collection
of 83 snakes from northern Thailand presenting the characters of the genus Hebius …

The single prefrontal configuration has historically been used as an important diagnostic
character for many natricine taxa. For example, the genus Trimerodytes Cope, 1895 was …