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Issue: Vol. 3630 No. 3: 21 Mar. 2013
Type: Articles
Published: 2013-03-21
DOI: 10.11646/zootaxa.3630.3.11
Page range: 571–581
Abstract views: 43
PDF downloaded: 1

Redescription of Alonella lineolata Sars, 1901 (Crustacea, Cladocera, Chydoridae) and its translocation to the subfamily Aloninae and to the new genus Bergamina gen. nov.

Laboratório de Zoologia, Universidade Católica de Brasília, QS 7 lote 1 sala 331, Taguatinga, DF, Brazil. 71766-900
Instituto de Ciências da Natureza, Universidade Federal de Alfenas, Rua Gabriel Monteiro da Silva, 714, Centro, Alfenas, MG, Brazil. 37130-000
Departamento de Ecologia e Biologia Evolutiva, Universidade Federal de São Carlos, Rodovia Washington Luis, km 235, Caixa-Postal: 676. São Carlos, SP, Brazil
Crustacea Anomopoda Aloninae systematics Bergamina gen.nov. Brazil

Abstract

Alonella lineolata Sars 1901 (Anomopoda, Chydoridae) was described from a single female found in an aquarium prepared with dried mud from São Paulo, Brazil, and just recently this taxon has been reported again. The taxonomic status of A. lineolata was previously questioned, but re-evaluation was not possible until now due to the lack of specimens. The present paper described parthenogenetic females, based on specimens collected in a small pond at Pradópolis, state of São Paulo, and a specimen was selected as neotype. The head pores, mandibles, and the trunk limb morphology revealed that this species belongs to the subfamily Aloninae, instead of Chydorinae, as presumed by Sars. Despite its Alona-like aspect, this species presents a unique combination of characters, leading to its assignment to a new alonine genus, Bergamina gen.nov.

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