Family Podicipedidae

Podiceps major (Boddaert) .

Stephanoprora argentinensis Sutton, Lunaschi & Topa, 1982

Stephanoprora uruguayense Holcman­Spector & Olague, 1989 .

Tylodelphys adulta Lunaschi & Drago, 2004 Rollandia rolland (Quoy & Gaimard) .

Stephanoprora argentinensis Sutton, Lunaschi & Topa, 1982

Rollandia rolland chilensis (Lesson)

Levinseniella cruzi Travassos, 1920