Atretium yunnanensis was originally recognized as a variant of Atretium schistosum. It was
subsequently elevated to full species status and has long been assigned to the natricine …

A new species of the natricine snake genus Amphiesma is described from a single
specimen obtained from Borneo by Franz Steindachner in 1878. Amphiesma arquus sp …

In the course of our zoogeographical and taxonomical studies on the Natricidae of Thailand
(Pauwels et al., 2009a, 2009b), we re-examined material housed in the Thailand Natural …

Natrix clerki Wall, 1925, previously known from its sole holotype and considered a synonym
of Amphiesma parallelum (Boulenger, 1890), is resurrected in the genus Amphiesma on the …

The species Rhabdophis leonardi (Wall, 1923) is recorded for the first time from Vietnam
(Lao Cai Province) based on the re-examination of specimens deposited in the collections of …

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 …

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 …

Three species of the genus Amphiesma Duméril, Bibron & Duméril, 1854 have long been
confused in the literature, with each other and with other species of the genus. Amphiesma …

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 …

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