Some echinoderms from the South Brazilian region are described. Seven are new to the science: Cucumaria manoelina sp.n., Thyone montoucheti sp.n., Psolus marcusi sp.n., Psolus vitoriae sp.n., Ophioderma divae sp.n., Amphioplus lucyae sp.n. and Chaetaster vanzolinicus sp.n. Some observations are presented on the distribution of Antedondubeni Böhlsche, 1886, Cucumaria pulcherrima (Ayres, 1854), Thyone belli Ludwig, 1887 and of Ophiothrix rathbuni Ludwig, 1882 in Brazilian marine shelf region.