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Phylogeny, Morphological Evolution, and Diversification of Oreobates (Amphibia, Anura, Craugastoridae)

Grant number: 17/08488-3
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): August 01, 2017
Effective date (End): December 31, 2020
Field of knowledge:Biological Sciences - Zoology - Applied Zoology
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal researcher:Célio Fernando Baptista Haddad
Grantee:Ana Paula Motta Vieira
Home Institution: Instituto de Biociências (IB). Universidade Estadual Paulista (UNESP). Campus de Rio Claro. Rio Claro , SP, Brazil
Associated scholarship(s):19/09537-3 - Diversification and morphological evolution of species of the genus Oreobates (Anura, Craugastoridae), BE.EP.DR   18/10458-8 - Phylogeny of the genus Oreobates based on morphological and molecular characters (Anura, Brachycephaloidea, Craugastoridae), BE.EP.DR


The genus Oreobates has faced a big change in its composition since its removal from the synonym of Ischnocnema. Most decisions regarding the taxonomy of the genus have been taken considering only molecular data and little effort has been made to revert the lack of morphological data in the study of the genus. Even though the group presents an interesting morphological variation, no morphological character has been included in a phylogenetic analysis of the genus and synapomorphies for the group are yet to be found. Besides presenting a diversity of forms, Oreobates species also have an interesting distribution to test Biogeographical hypotheses, as they are widely distributed in South America across a disparate and diverse array of habitats. Hence, Oreobates can be considered an ideal group for studies in systematic, morphological evolution, and biogeography, and, therefore, was selected as the target of this project. The purposes of this project include (I) to infer phylogenetic relationships of Oreobates species under total evidence approach, (II) to investigate how the morphology of the species are related to the habitat they occupy, and (III) understand the evolutionary history of the genus (biogeography). The methods that will be used include phylogenetic analyses under two different optimization criteria (Parsimony and Maximum Likelihood), Principal Component Analysis (PCA), Phylogenetic Generalized Least Squares (PGLS), Ancestral Area Reconstruction, and Dispersal-Vicariance Analyses. (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)
MOTTA, ANA PAULA; GOULART TAUCCE, PEDRO PAULO; BAPTISTA HADDAD, CELIO FERNANDO; CANEDO, CLARISSA. A new terraranan genus from the Brazilian Atlantic Forest with comments on the systematics of Brachycephaloidea (Amphibia: Anura). JOURNAL OF ZOOLOGICAL SYSTEMATICS AND EVOLUTIONARY RESEARCH, v. 59, n. 3, . (19/04076-8, 13/50741-7, 17/08488-3)
PANSONATO, ANDRE; MOTTA, ANA; CACCIALI, PIER; HADDAD, CELIO F. B.; STRUSSMANN, CHRISTINE; JANSEN, MARTIN. On the Identity of Species of Oreobates (Anura: Craugastoridae) from Central South America, with the Description of a New Species from Bolivia. Journal of Herpetology, v. 54, n. 4, p. 393-412, . (17/08488-3, 13/50741-7)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
VIEIRA, Ana Paula Motta. Systematics and morphological evolution in Holoadeninae (Anura, Brachycephaloidea, Craugastoridae). 2020. Doctoral Thesis - Universidade Estadual Paulista (Unesp). Instituto de Biociências. Rio Claro Rio Claro.

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