Five new genera of cytheracean Ostracoda are described from the S.W. Atlantic area. They are:
Austrocytheridea and
Papillosacythere. which belong to the Cytherideinae and Neocytherideinae respectively, and
Austroaurila.
Falklandia, and
Meridionalicythere, which are all members of the Hemicytheridae.