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Issue: Vol. 4169 No. 1: 19 Sept. 2016
Type: Article
Published: 2016-09-19
DOI: 10.11646/zootaxa.4169.1.8
Page range: 160–170
Abstract views: 110
PDF downloaded: 1

A new species of lizard Placosoma Tschudi, 1847 (Squamata: Gymnophthalmidae) from the relictual forest mountains of the State of Ceará, Brazil

Núcleo Regional de Ofiologia da UFC (NUROF-UFC), Departamento de Biologia, Campus do Pici, Bloco 905, Universidade Fe-deral do Ceará, CEP 60.440-554, Fortaleza, Ceará, Brazil
Departamento de Vertebrados, Museu Nacional, Universidade Federal do Rio de Janeiro, Quinta da Boa Vista, São Cristóvão, CEP 20.940-040, Rio de Janeiro, Rio de Janeiro, Brazil
Departamento de Zoologia, Instituto de Biociências, Universidade de São Paulo, Rua do Matão, Travessa 4, No.101, CEP 05.422-970, São Paulo, São Paulo, Brazil
Reptilia Placosoma limaverdorum spec. nov. Brejos-de-altitude Northeastern Brazil

Abstract

A new species of Placosoma Tschudi, 1847, until now restricted to the Atlantic Forest areas of southeastern Brazil is        described based on specimens obtained about 1700 km north to the current distribution of the genus. Placosoma limaverdorum spec. nov. is apparently endemic to three “brejos-de-altitude”, relictual forest mountains surrounded by dry Caatingas, in the State of Ceará, northeastern Brazil. It differs from their congeners by the presence of an undivided transparent palpebral disk, a divided nasal scale with a central nostril, a deep tympanic recess, a distinctive and thin light vertebral stripe on the dorsal surface of the head, body and tail, femoral pores present only in males (21–26), preanal pores absent and additionally by having 21–24 rows of transverse ventral scales, 34–38 dorsals, dorsal, lateral and ventral scales smooth, dorsal scales quadrangular, longer than wide, except in the neck region, where they are wider than long.

 

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