Autor(es): de Sá, Rafael O. ; Tonini, João Filipe Riva ; van Huss, Hannah ; Long, Alex ; Cuddy, Travis ; Forlani, Mauricio C. ; Peloso, Pedro L.V. ; Zaher, Hussam ; Haddad, Célio F.B. [UNESP]
Data: 2019
Identificador Persistente: http://hdl.handle.net/11449/188244
Origem: Oasisbr
Assunto(s): Biogeography; Chiasmocleis; Miniaturization; Morphology; Phylogeny; Species discovery
Made available in DSpace on 2019-10-06T16:01:51Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-01-01
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
National Science Foundation
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Cosmetic Surgery Foundation
University of Rochester
Chiasmocleis is the most species-rich genus of Neotropical microhylids. Herein, we provide the first comprehensive multilocus phylogeny for the genus, including all but 3 of the 34 recognized species and multiple individuals per species. We discuss cryptic speciation, species discovery, patterns of morphological evolution, and provide a historical biogeographic analysis to account for the current distribution of the genus. Diversification of Chiasmocleis from other New World microhylids began during the Eocene, app. 40 mya, in forested areas, and current diversity seems to be a product of recurrent connections between the Atlantic Forest and Amazonia. Small-sized species evolved independently three times in Chiasmocleis. Furthermore, the extremely small-bodied (i.e. miniaturized) species with associated loss of digits, phalanges, and pectoral girdle cartilages evolved only once and are restricted to Amazonia. Using the phylogeny, we recognized three subgenera within Chiasmocleis: Chiasmocleis Méhely, 1904, Relictus subg. nov., and Syncope Walker, 1973. The recognition of the subgenus Syncope informs future research on patterns of miniaturization in the genus, and the subgenus Relictus highlights isolation of an endemic and species-poor lineage to the Atlantic Forest, early (about 40 mya) in the history of Chiasmocleis.
Department of Biology University of Richmond
Department of Biological Sciences The George Washington University, 2029 G St NW
Department of Organismic and Evolutionary Biology & Museum of Comparative Zoology, 26 Oxford St
Museu de Zoologia da Universidade de São Paulo, Avenida Nazaré 481, 04263–000 Ipiranga
Museu Paraense Emílio Goeldi Coordenação de Zoologia, Avenida Perimetral, 1901, Terra Firme
Departamento de Zoologia e Centro de Aquicultura (CAUNESP) Instituto de Biociências Universidade Estadual Paulista (UNESP), Caixa Postal 199
Departamento de Zoologia e Centro de Aquicultura (CAUNESP) Instituto de Biociências Universidade Estadual Paulista (UNESP), Caixa Postal 199
FAPESP: #2013/50741-7
National Science Foundation: 1144692
CNPq: 302518/2013-4
CNPq: 303545/2010-0
CNPq: 565046/2010-1
Cosmetic Surgery Foundation: BEX 1187-13-9
