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

La fauna de serpientes de Colombia excede las 270 especies de ellas 30 son elápidos
(corales) y 19 vipéridos (cascabel & talla equis). En Colombia las serpientes están …

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 …

We review the taxonomic status of the snakes belonging to the genus Atractus from the
Pantepui region on the basis of morphological characters (meristic, morphometric, color …

Dipsadine snakes of the genus Atractus are endemic to the Neotropical region, occurring
from Panama to Argentina. Currently, the taxonomic status of most species of the genus is …

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 …

We present a molecular phylogeny of snake genus Atractus, with an improved taxon
sampling that includes 30 of the 140 species currently recognized. The phylogenetic tree …

 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 …

We redescribe Atractus punctiventris based on the examination of its holotype, two
topotypes, and two additional specimens recently collected. We describe two new species of …

A new species of Atractus, previously reported as a disjunct population of A. zidoki south of
the Amazon River, differs from all congeners in having an undivided sulcus spermaticus …