Santos-Silva, E.N. (2008). Calanoid of the families Diaptomidae, Pseudodiaptomidae, and Centropagidae from Brasil. Revista de Biologia Geral e Experimental. 8(1):3-67.

123392

Santos-Silva, E.N.

2008

8(1):3-67.

Publication

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“As the distribution maps of the Diaptomidae show, South America still has some large blank areas. The distribution for its entire tropical and subtropical regions is still scantily known” (Brandorff, 1976). Thirty-two years later we can see that this picture remains the same. In the particular case of Brasil we can add to the Amazon the inland water bodies of the southern and central-western regions as large blank areas. The distribution, with exceptions, are concentrated around particular points where the few research centres are established. Consequently the distribution presented here represent more the concentration of researchers than the animals’ natural distribution patterns. With the Pseudodiaptomidae we have a better picture, in spite of the paucity of largescale studies along the Brasilian coast where the representatives of this family mainly occur. Following the revision of the New World species of Pseudodiaptomus by Walter (1989), we can perhaps add new records of known or introduced species, but the distributional ranges already identified will probably not change much. The southern family Centropagidae was reported as reaching at most just north of Buenos Aires, Argentina, until Gloeden (1994, 1997) recently recorded the occurrence of two species in Rio Grande do Sul, Brasil, the first records of this family in the country. If one wants to begin gathering information about South American copepods, particularly in Brasil, the compilations by Björnberg (1964) and authors in Young (1998) are essential starting points. Herein, I present the distribution and historical background of genera in the families Diaptomidae (12 genera), Pseudodiaptomidae (1 genus), and Centropagidae (1 genus) occurring in Brasil.

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