Hydrodamalinae
(tree size 9)
Rytiodus
(tree size 1)
Dugonginae
(tree size 23)
Eotheroides
(tree size 4)
Halitherium
(tree size 9)
Metaxytherium
(tree size 16)
Bharatisiren
(tree size 2)
Caribosiren
(tree size 1)
Halitheriinae
(tree size 25)
Crenatosiren
(tree size 1)
Corystosiren
(tree size 1)
Thelriopiinae
Halicorinae
Rhytiodinae
Rytiodontinae
Eotherioidinae
Metaxytheriinae
Halianassinae
Archaeosireninae
Rytiodinae
Anisosiren
Priscosiren
Eotherium
(tree size 2)
Anisosiren
(tree size 1)