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Phylogenetic Systematics of Hylodidae Gunther 1858 (Amphibia: Anura)

Grant number: 12/22566-3
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): March 01, 2013
Effective date (End): May 30, 2017
Field of knowledge:Biological Sciences - Zoology - Taxonomy of Recent Groups
Principal researcher:Taran Grant
Grantee:Rachel Montesinos Martins Pereira
Home Institution: Instituto de Biociências (IB). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated scholarship(s):14/04077-0 - Comparative morphology analysis of torrent frogs (Anura: Hylodidae), BE.EP.DR


The family Hylodidae contains 42 species allocated in the genera Crossodactylus (11 species),Hylodes (24 species) and Megaelosia (7 species). These species inhabit streams with small waterfalls in the Brazilian Atlantic Forest, occurring from Alagoas to Rio Grande do Sul States in Brazil, reaching Misiones, Argentina. Due to adaptations to waterfall environments, a plesiomorphic morphological packet was kept resulting in cryptic species. Some of these species occur in sympatry, hindering the resolution of the family taxonomy. Phylogenies involving the family have been proposed, butthe results were considerably different. These phylogenetic proposals suggest 12 families as closely related to Hylodidae: Allophrynidae, Aromobatidae, Bufonidae, Centrolenidae, Ceratophryidae, Cycloramphidae, Dendrobatidae, Hemiphractidae, Hylidae, Leiuperidae, Leptodactylidae and Strabomantidae. These previous studies had no specific goal to resolve the internal relationships of Hylodidae and consequently few representatives of the family were included in these phylogenies. The aim of the present project is to identify the position of the family Hylodidae among the 12 families selected as outgroups, as well as recognizing the phylogenetic relationships among the species. For the analyses there will be used both morphological (adult and tadpole) and molecular characters. Based on these data, we intend to establish hypotheses about the evolutionary history of the group, which may be associated largely with the history and relationships of rivers and watersheds to which all family representatives are highly associated.

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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)
ELIAS-COSTA, AGUSTIN J.; MONTESINOS, RACHEL; GRANT, TARAN; FAIVOVICH, JULIAN. The vocal sac of Hylodidae (Amphibia, Anura): Phylogenetic and functional implications of a unique morphology. Journal of Morphology, v. 278, n. 11, p. 1506-1516, . (12/22566-3, 14/04077-0, 13/50741-7, 12/10000-5)
VIDIGAL, IZADORA; MONTESINOS, RACHEL; GIARETTA, ARIOVALDO ANTONIO. A Genetic and Acoustic Evaluation of the Distribution of Hylodes sazimai Haddad & Pombal, 1995 (Hylodidae), a Stream-Dwelling Atlantic Forest Frog. Journal of Herpetology, v. 55, n. 3, p. 253-264, . (12/22566-3)
CARVALHO, ANDRE L. G.; SENA, MARCO A.; PELOSO, PEDRO L. V.; MACHADO, FABIO A.; MONTESINOS, RACHEL; SILVA, HELIO R.; CAMPBELL, GWYNETH; RODRIGUES, MIGUEL T.. A new Tropidurus (Tropiduridae) from the semiarid Brazilian Caatinga: evidence for conflicting signal between mitochondrial and nuclear loci affecting the phylogenetic reconstruction of South American collared lizards. American Museum Novitates, n. 3852, p. 1-66, . (12/22566-3, 10/16735-1, 13/22042-7)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
PEREIRA, Rachel Montesinos Martins. Phylogenetic systematics of Hylodidae (Amphibia: Anura). 2017. Doctoral Thesis - Universidade de São Paulo (USP). Instituto de Biociências (IBIOC/SB) São Paulo.

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