Accurate and detailed species distribution maps are fundamental for documenting and
interpreting biological diversity. For snakes, an ecologically diverse group of reptiles …

We review the Atractus snethlageae species complex based on the examination of 330
specimens throughout its entire distribution, including its type series. We redefine A …

Snakes of the World: A Catalogue of Living and Extinct Species, published in 2014, was the
first catalogue of its kind and covered all living and fossil snakes described between 1758 …

Atractus badius has a long and controversial nomenclatural history due to both its antiquity
and the brevity of its original description. This species was described based on two syntypes …

 Abstract The genus Atractus includes 146 species of cryptozoic snakes occurring from
Panama to northeastern Argentina. Here, a molecular phylogeny of this genus is presented …

Sexual dimorphism in snakes has been mainly evaluated for size and number of some
morphological traits, but few studies address on sexual shape dimorphism. Here we …

The islands of Trinidad and Tobago form a southern extension of the Lesser Antilles. Unlike
the continental island of Trinidad, the more northerly Tobago formed as an older oceanic …

Brazilian Amazonia harbors approximately 46% of all squamate reptiles distributed in Brazil.
However, this species richness is considered to be underestimated due to the lack of …

Se revisó la taxonomía de las especies de Atractus distribuidas continuamente a lo largo de
los Andes nororientales de Colombia (= Cordillera Oriental), Sierra de Perijá en el límite …

Based on an exhaustive revision of external morphological characters we describe a new
species of Atractus from the humid montane forest of the Andes of northern Peru, Cajamarca …