4.5 Article

Systematics and historical biogeography of Neotropical foam-nesting frogs of the Adenomera heyeri clade (Leptodactylidae), with the description of six new Amazonian species

期刊

ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY
卷 191, 期 2, 页码 395-433

出版社

OXFORD UNIV PRESS
DOI: 10.1093/zoolinnean/zlaa051

关键词

bioacoustics; biodiversity; Brazil; distribution patterns; diversification; Dry Diagonal; riverine barriers; South America

类别

资金

  1. Sao Paulo Research Foundation (Fundacao de Amparo a Pesquisa do Estado de Sao Paulo) [2013/50741-7]
  2. National Council for Scientific and Technological Development (Conselho Nacional de Desenvolvimento Cientifico e Tecnologico) [446935/2014-0, 313055/2015-7, 306623/2018-8]
  3. FAPESP [2017/08489-0, 2003/10335-8, 2011/50146-6, 2015/13404-8, 2018/171188]
  4. CNPq
  5. Fresno Chaffee Zoo Wildlife Conservation Fund [30059, 381432, 1081/2011, 066/2012, 903/2018]
  6. Arcadis-Logos
  7. CNEC WorleyParsons Engenharia S.A.

向作者/读者索取更多资源

A study on the Adenomera heyeri frog clade in Amazonia revealed ten new candidate species, with six of them formally named and described. These new species are distributed between interfluves in the Amazon region, corresponding to previously identified or unreported candidate lineages. The research also suggests a northern Amazonian origin for the A. heyeri clade, with two independent dispersals into the South American Dry Diagonal.
A large proportion of the biodiversity of Amazonia, one of the most diverse rainforest areas in the world, is yet to be formally described. One such case is the Neotropical frog genus Adenomera. We here evaluate the species richness and historical biogeography of the Adenomera heyeri clade by integrating molecular phylogenetic and species delimitation analyses with morphological and acoustic data. Our results uncovered ten new candidate species with interfluve-associated distributions across Amazonia. In this study, six of these are formally named and described. The new species partly correspond to previously identified candidate lineages 'sp. F' and 'sp. G' and also to previously unreported lineages. Because of their rarity and unequal sampling effort of the A. heyeri clade across Amazonia, conservation assessments for the six newly described species are still premature. Regarding the biogeography of the A. heyeri clade, our data support a northern Amazonian origin with two independent dispersals into the South American Dry Diagonal. Although riverine barriers have a relevant role as environmental filters by isolating lineages in interfluves, dispersal rather than vicariance must have played a central role in the diversification of this frog clade.

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