Ref ID : 2999
M. De Ridder; [Recherches ecologiques et biogeographiques sur les Rotiferes de la Basse-Casamance (Senegal)] (Ecological and Biogeographical studies on Rotifers from the "Basse-Casamance", Senegal (Africa)). Rev.Hydrobiol.trop. 16(1):41-55, 1983
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In this contribution, 4 series of samples were studied for their Rotifer content; they were collected in: December 1975-January 1976, December 1976-January 1977, July-August 1977, November-December 1980. 143 taxa have been identified, 129 of whom to species level. Their repartition in the respective biotopes is given in tables II to IV. Among these species, 2 are new to science, 15 are new to Africa and 113 are new to Senegal. Concerning their geographical distribution, the species met with are divided in 4 groups, viz. 81 cosmopolitan, 20 thermophilous with large distribution, 20 tropical-pantropical, 6 with limited and/or unsufficiently known distribution and 2 new to science. Biogeographical data are given for a series of species, not treated in a previous publication (De Ridder, 1981). A diagnose is given for the two new species (Testudinella kostei and T. subdiscoidea). They are also figured (fig.1 and 2).