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Phylogenetic relationships of Pristimantis Jiménez de la Espada, 1870, a megadiverse genus of frogs (Anura, Terrarana, Craugastoridae)

Grant number: 12/09401-5
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): September 01, 2012
Effective date (End): November 12, 2016
Field of knowledge:Biological Sciences - Zoology
Principal researcher:Taran Grant
Grantee:Mariane Targino Rocha
Home Institution: Instituto de Biociências (IB). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated scholarship(s):15/14959-3 - Systematics of Pristimantis: exploring morphological characters (Amphibia, Anura, Brachycephaloidea), BE.EP.DR


The genus Pristimantis (Amphibia, Anura, Craugastoridae) includes 439 species of frogs distributed through northwestern South America, and particularly concentrated in the Andes. The genus is currently divided in 16 species groups, with 34 species unassigned to any of them. One recent molecular phylogenetic analysis including about 20% of all known species showed that most of these species groups are not monophyletic. Nevertheless there was no rearrangement of the infrageneric taxonomy due to the lack of morphological data. The goal of the present study is to present a phylogenetic analysis of Pristimantis based on phenotypic characters of diverse character systems (e.g., external morphology, myology, osteology) and genotypic characters. Exemplar species of other genera of Craugastoridae will be used as outgroups. It is expect that our results would allow to present a taxonomic review of the genus, including morphological diagnostic characters, which, besides providing an overview of the morphological diversity of Pristimantis, would greatly facilitate the taxonomic research on this difficult group of frogs; Finally, our results will allow us to study the evolution of several the phenotypic character systems in the group, contributing to the knowledge of morphological evolution in Terrarana. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
TARGINO, MARIANE; ELIAS-COSTA, AGUSTIN J.; TABOADA, CARLOS; FAIVOVICH, JULIAN. Novel morphological structures in frogs: vocal sac diversity and evolution in Microhylidae (Amphibia: Anura). ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY, v. 187, n. 2, p. 479-493, . (12/10000-5, 13/50741-7, 12/09401-5)
PEREYRA, MARTIN O.; WOMACK, MOLLY C.; SEBASTIAN BARRIONUEVO, J.; BLOTTO, BORIS L.; BALDO, DIEGO; TARGINO, MARIANE; OSPINA-SARRIA, JHON JAIRO; GUAYASAMIN, JUAN M.; COLOMA, LUIS A.; HOKE, KIM L.; et al. The complex evolutionary history of the tympanic middle ear in frogs and toads (Anura). SCIENTIFIC REPORTS, v. 6, . (12/10000-5, 13/20423-3, 13/50741-7, 12/09401-5, 14/03585-2)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
ROCHA, Mariane Targino. Phylogenetic analysis of Pristimantis Jiménez de la Espada, 1870, a megadiverse genus of amphibians (Anura, Brachycephaloidea, Craugastoridae). 2016. Doctoral Thesis - Universidade de São Paulo (USP). Instituto de Biociências (IBIOC/SB) São Paulo.

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