Sirenia Illiger, 1811
Anisosiren Kordos, 1979
Bharatisiren Bajpai & Domning, 1997
Caribosiren Reinhart, 1959
Corystosiren Domning, 1990
Crenatosiren Domning, 1991
Cyotherium Zittel, 1892
Dioplotherium Cope, 1883
Distomus Trouessart, 1898
Domningia Thewissen & Bajpai, 2009
Dugong Lacépède, 1799
Dusisiren Domning, 1978
Eosiren Andrews, 1902
Eotheroides Palmer, 1899
Halichore Serres, Dubrueil & Jeanjean, 1839
Halicon Cuvier, 1829
Halicone Goldfuss, 1820
Halicorne Geoffroy & Cuvier, 1821
Halitherium Kaup, 1838
Halycore Bonaparte, 1831
Hydrodamalis Retzius, 1794
Indosiren von Königswald, 1952
Kotadasiren
Mesosiren Abel, 1906
Metaxytherium Christol, 1840
Miodugong Deraniyagala, 1969
Nanosiren Domning, 2008
Paraliosiren Abel, 1906
Paralitherium Kordos, 1977
Ponthotherium Pictet, 1853
Prototherium Zigno, 1887
Pygmeodon Kaup, 1835
Pygmodon Agassiz, 1846
Rityna Lesson, 1842
Rytiodus Lartet, 1866
Sirenavus Kretzoi, 1941
Sirenotherium Paula Couto, 1967
Udobaenus Sundevall, 1860
Xenosiren Domning, 1989
