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 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 …

Three new species of Atractus are described from the northern Cordillera Central of
Colombia. The new species, previously confused with older names, are easily distinguished …

A new species of Atractus is described from Serra de Baturité, an Atlantic Forest enclave in
the semiarid Caatinga of the state of Ceará, northeastern Brazil. The new species is …

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 …

We revised the taxonomic status of Atractus species occurring in the eastern slopes of
Central Cordillera, Magdalena Valley, and west slopes of Eastern Cordillera of Colombia on …

The taxonomic status of the Pacific lowland Atractus is revised on the basis of meristic,
morphometric, colour pattern, and hemipenial characters. Geographical variation is reported …

Atractus potschi was described based on 12 specimens from the Brazilian states of Alagoas
and Sergipe, and later knowledge of its morphological variation (meristic, morphometric, and …