A taxonomic survey on the tintinnids (Suborder Tintinnina) collected in subtropical waters of the Southern Brazil (22°S-34°S) was carried out, based in different oceanographic cruises covering shelf and oceanic waters. Eighty nine species were recorded, and Amphorides amphora (Claparède & Lachmann, 1858) Strand, 1928, Dadayella ganimedes (Entz, 1884) Kofoid & Campbell, 1929, Eutintinnus spp., Rhabdonellopsis apophysata (Cleve, 1900) Kofoid & Campbell, 1929 , Tintinnopsis spp. (neritic waters) and Xystonellopsis spp. were abundant. For all of species descriptions, measurements and drawings, as well comments on the taxonomy and results on horizontal and vertical distributions on the water column were furnished. Some species showed preference by deep waters, like Epicancella nervosa (Cleve, 1900) Kofoid & Campbell, 1929, Xystonellopsis spp., Salpingella spp. and Brandtiella palliata (Brandt, 1906) Kofoid & Campbell, 1929. In this work the families Codonellidae, Codonellopsidae, Coxliellidae, Cytarocyllidae, Epiplocylidae, Petalotrichidae, Ptychocylidae, Tintinnididae and Undellidae were studied. The other four families were covered in another work, also containing the discussion about biogeography and vertical distribution in the water column.
taxonomy; microzooplankton; Southwestern Atlantic Ocean; south Brazil
