Five species of Mysidacea are recorded: Metamysidopsis munda (Zimmer, 1918), Metamysidopsis neritica Bond-Buckup & Tavares, 1991, Mysidopsis tortonesei Bacescu, 1968, Promysis atlantica Tattersall, 1923 e Neomysis americana (Smith, 1873), all belonging to the family Mysidae. A key and illustrations of the principal morphological characters of the species are presented.