Three New Species of Aegla (Anomura) Freshwater Crabs from the Upper Uruguay River Hydrographic Basin in Brazil

Sandro Santos; Georgina Bond-Buckup; Ludwig Buckup; Marcos Pérez-Losada; Maegan Finley; Keith A. Crandall

doi:10.1163/193724012X635935

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1 June 2012 Three New Species of Aegla (Anomura) Freshwater Crabs from the Upper Uruguay River Hydrographic Basin in Brazil

Sandro Santos, Georgina Bond-Buckup, Ludwig Buckup, Marcos Pérez-Losada, Maegan Finley, Keith A. Crandall

Author Affiliations +

Sandro Santos,^1,* Georgina Bond-Buckup,² Ludwig Buckup,² Marcos Pérez-Losada,³ Maegan Finley,⁴ Keith A. Crandall^4,5

¹1Departamento de Biologia, Universidade Federal de Santa Maria, 97105-900, Santa Maria, RS, Brazil
²2Departamento de Zoologia, Instituto Biociências, Universidade Federal do Rio Grande do Sul, Av. Ben
³3CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus
⁴4Department of Biology, Brigham Young University, Provo, UT 8460, USA
⁵5Monte L. Bean Life Science Museum, Brigham Young University, Provo, UT 84602, USA

^*Corresponding author; e-mail: ssantos@smail.ufsm.br

J. of Crustacean Biology, 32(4):529-540 (2012). https://doi.org/10.1163/193724012X635935

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Abstract

Surveys performed in streams from the sub-basins of the Canoas and Pelotas rivers, which jointly form the Uruguay River in southern Brazil, led to the discovering of three new species of Aeglidae: Aegla brevipalma, Aegla leachi, and A. oblata. Here we present their morphological descriptions coupled with phylogenetic analyses, to infer evolutionary relationships to other aeglids using DNA sequence data from the 16S rRNA and COII gene regions of the mitochondrial genome. The presence of these new species increases the importance of the Upper Uruguay ecoregion for biodiversity richness of freshwater fauna in the Neotropical South America.

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Sandro Santos, Georgina Bond-Buckup, Ludwig Buckup, Marcos Pérez-Losada, Maegan Finley, and Keith A. Crandall "Three New Species of Aegla (Anomura) Freshwater Crabs from the Upper Uruguay River Hydrographic Basin in Brazil," Journal of Crustacean Biology 32(4), 529-540, (1 June 2012). https://doi.org/10.1163/193724012X635935

Received: 22 October 2011; Accepted: 1 February 2012; Published: 1 June 2012

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