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Issue: Vol. 4290 No. 3: 10 Jul. 2017
Type: Article
Published: 2017-07-10
DOI: 10.11646/zootaxa.4290.3.11
Page range: 581–590
Abstract views: 85
PDF downloaded: 2

A new species of Alonella Sars, 1862 (Crustacea: Cladocera: Chydoridae) from the Ecuadorian Andes

Departamento de Recursos Hídricos y Ciencias Ambientales. Universidad de Cuenca. Av. 12 de Abril s/n y Agustín Cueva. Cuenca. Ecuador Ecology Section. Department of Evolutionary Biology, Ecology and Environmental Sciences, Faculty of Biology, University of Barcelona. Avda. Diagonal 643. 08028 Barcelona
A. N. Severtsov Institute of Ecology and Evolution, Leninsky Prospect 33, Moscow 119071, Russia Kazan Federal University, Kremlevskaya Str.18, Kazan 420000, Russia
Crustacea Cladocera Anomopoda Chydoridae Alonella new species Ecuadorian Andes

Abstract

Several authors have pointed out that the Andean high altitude waters constitute a very interesting hotspot of biodiversity. Studies of these water bodies could significantly increase the number of Neotropical endemics among the Cladocera. One of the above mentioned taxa is described here as Alonella hampelae sp. nov. (Crustacea: Cladocera: Chydoridae). This new species belongs to the “excisa­clathratula” group, characterized by the carapace strongly reticulated and bearing fine striae within the cells of reticulation, but presents several specific morphological characteristics. The most outstanding is the evenly rounded posteroventral angle of the valves that lack any denticles, which is unique within the genus Alonella Sars, 1862.

 

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