We infer phylogenetic relationships within Teioidea, a superfamily of Nearctic and
Neotropical lizards, using nucleotide sequences. Phylogenetic analyses relied on …

Somos una fundación empresarial patrocinada únicamente por Empresas Polar, dedicada a
programas de utilidad colectiva e interés general con el fin de instalar capacidades en la …

We update the list of reptiles of Venezuela, reporting a total of 370 species from the country
(four of these exotic), arrangedin 122 genera (one exotic), 30 families and three orders …

Iphisa elegans Gray, 1851 is a ground-dwelling lizard widespread over Amazonia that
displays a broadly conserved external morphology over its range. This wide geographical …

Riama is the most speciose genus of the Neotropical lizard family Gymnophthalmidae. Its
more than 30 montane species occur throughout the northern Andes, the Cordillera de la …

The gymnophthalmid lizard R iolama inopinata sp. nov. is described from the summit of
Murisipán-tepui, Bolívar State, Venezuela. The new species is characterized by its small …

Hemipenes of species in the North American colubrid genus Phyllorhynchus are described.
Contrary to previous reports of a divided sulcus spermaticus, both species have an unusual …

Hemipenial morphology has provided useful characters to improve species identification
and phylogenetic relationships in squamates. Here we provide hemipenial description and …

The Pantepui region of northern South America harbours an endemic fauna that differs
dramatically from those of the surrounding lowland rainforests and savannas. A component …

We describe a new species of arboreal gymnophtalmid lizard from the eastern Andean
slopes in central Peru. Euspondylus excelsum sp. nov. is assigned tentatively to this genus …