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Issue: Vol. 4550 No. 3: 25 Jan. 2019
Type: Article
Published: 2019-01-25
DOI: 10.11646/zootaxa.4550.3.1
Page range: 301–320
Abstract views: 157
PDF downloaded: 5

A new species of the Amphisbaena (Squamata, Amphisbaenidae) from the Brazilian Cerrado with a key for the two-pored species

Laboratório de Ecologia e Comportamento Animal, Instituto de Ciências da Educação—ICED, Universidade Federal do Oeste do Pará, Rua Vera Paz, s/n, Salé, 68035-110, Santarém, Pará, Brazil. Programa de Pós-graduação em Recursos Naturais da Amazônia, Universidade Federal do Oeste do Pará, Rua Vera Paz, s/n, Salé, 68015-110, Santarém, Pará, Brazil. Programa de Pós-graduação em Sociedade Ambiente e Qualidade de Vida, Universidade Federal do Oeste do Pará, Av. Mendonça Furtado, 2946, Santa Clara, 68040-470, Santarém, Pará, Brazil.
Laboratório de Ecologia e Comportamento Animal, Instituto de Ciências da Educação—ICED, Universidade Federal do Oeste do Pará, Rua Vera Paz, s/n, Salé, 68035-110, Santarém, Pará, Brazil. Programa de Pós-graduação em Recursos Naturais da Amazônia, Universidade Federal do Oeste do Pará, Rua Vera Paz, s/n, Salé, 68015-110, Santarém, Pará, Brazil.
Laboratório de Ecologia e Comportamento Animal, Instituto de Ciências da Educação—ICED, Universidade Federal do Oeste do Pará, Rua Vera Paz, s/n, Salé, 68035-110, Santarém, Pará, Brazil. Programa de Pós-graduação em Recursos Aquáticos Continentais Amazônicos, Universidade Federal do Oeste do Pará, Av. Mendonça Furtado, 2946, Santa Clara, 68040-470, Santarém, Pará, Brazil.
Museu de Zoologia da Universidade de São Paulo, 04263-000, São Paulo, São Paulo, Brazil.
Museu de Zoologia da Universidade de São Paulo, 04263-000, São Paulo, São Paulo, Brazil.
Laboratório de Fauna e Unidades de Conservação, Universidade de Brasília, Asa Norte, 70910-900, Distrito Federal, Brasília, Brazil
Centro Nacional de Pesquisa e Conservação de Répteis e Anfíbios, RAN/ICMBIO. Rua 229, 95, Setor Leste Universitário, 74605-090, Goiânia, Goiás, Brazil.
Escola de Ciências Agrárias e Biológicas, Centro de Estudos e Pesquisas Biológicas, and Programa de Pós-Graduação em Ciências Ambientais e Saúde, Pontifícia Universidade Católica de Goiás. Rua 235, n. 40, Bloco L, Setor Universitário, 74605-010, Goiânia, Goiás, Brazil.
Reptilia Amphisbaenia morphology taxonomy molecular phylogeny Amphisbaena mebengokre sp. nov. Amphisbaena silvestrii group

Abstract

Here, we describe a new species of Amphisbaena with two precloacal pores from open Cerrado areas of the municipality of Arenópolis, in the Brazilian state of Goiás. The new species differs from other South American amphisbaenids by the folllowing combination of characters: (1) snout rounded in dorsal view and slightly convex in lateral view; (2) two precloacal pores; (3) 161–176 dorsal half-annuli; and (4) 12–15 tail annuli. Our molecular phylogenetic analysis retrieved a monophyletic Amphisbaena silvestrii group, with A. silvestrii positioned as the sister-group of a clade formed by Amphisbaena anaemariae and the new species described herein. Members of the A. silvestrii group including A. neglecta and A. crisae not added in our phylogenetic analysis are characterized by a relatively small body, two precloacal pores, body coloration with dark and light areas, and lack of specializations on the cephalic or caudal shields. We present a key for two-pored species of Amphisbaena.

 

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