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1 December 2006 THE GENUS STENOCERCUS (SQUAMATA: TROPIDURIDAE) IN EXTRA-AMAZONIAN BRAZIL, WITH THE DESCRIPTION OF TWO NEW SPECIES
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Abstract

The genus Stenocercus includes over 50 species, distributed mainly in elevated areas in the Andes and adjacent lowlands, with only a few taxa known to occur in Brazil. The easternmost populations of the genus are poorly studied and represented in collections. Herein we describe Stenocercus quinarius sp. n. from northwestern Minas Gerais and western Bahia states, and Stenocercus squarrosus sp. n. from the southern portion of the state of Piauí, two previously poorly sampled areas in central and northeastern Brazil. The two new species seem closely related to Stenocercus dumerilii and Stenocercus tricristatus, but are easily diagnosed from all Stenocercus and from each other based on morphometric and meristic characters. The distribution patterns and possible phylogenetic affinities of the eastermost, pyramidal headed Stenocercus group are discussed, along with an overview of distribution patterns of the genus in extra-amazonian open domains.

Cristiano Nogueira and Miguel T. Rodrigues "THE GENUS STENOCERCUS (SQUAMATA: TROPIDURIDAE) IN EXTRA-AMAZONIAN BRAZIL, WITH THE DESCRIPTION OF TWO NEW SPECIES," South American Journal of Herpetology 1(3), 149-165, (1 December 2006). https://doi.org/10.2994/1808-9798(2006)1[149:TGSSTI]2.0.CO;2
Received: 28 October 2006; Accepted: 1 November 2006; Published: 1 December 2006
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