Hollwedel W.1, Kotov A.A.2, Brandorff G.-O.3 2004. Cladocera (Crustacea: Branchiopoda) from the Pantanal (Brazil) // Arthropoda Selecta. Vol.12 (for 2003). No.2: 67–93 [in English].

1 Oldenburger Str. 16A, Varel, D-26316 Germany. E-mail: whollwedel@t-online.de

2 A.N. Severtsov Institute of Ecology and Evolution, Leninsky Prospect 33, Moscow 119071 Russia.

3 Georg-Gröning-Str. 29A, Bremen, D-28209 Germany.

ABSTRACT: In 1996 and 1999, a series of samples was collected from seven localities in the southern Pantanal (Mato Grosso do Sul, Brazil). Fifty species belonging to one family of the Ctenopoda Sars, 1865, and six families of the Anomopoda Sars, 1865 have been identified. They are typical for tropical fauna of Brazil. Previous records of Cladocera from Pantanal are summarised, and a check-list of species from there is composed, consisting of 69 taxa determined to species level and 19 taxa to genera though some of these records require confirmation. The species list of the nearby Paraná region consists of 40 species. The morphology of some ilyocryptids, macrothricids, and chydorids has been studied in detail using optical  and scanning electron microscopy; these results are described and illustrated. Current taxonomic problems are discussed.

KEY WORDS: Cladocera, Anomopoda, Ctenopoda, morphology, systematics, taxonomy, fauna, distribution, Brazil, Pantanal.

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