Children (12 direct children, 23 direct and indirect children):
Dioplotherium
(tree size 2)
Kutchisiren
(tree size 1)
Dugong
(tree size 1)
Italosiren
Nanosiren
(tree size 2)
Culebratherium
Domningia
Callistosiren
Xenosiren
(tree size 1)
Domningia
(tree size 1)
Halianassa
(tree size 1)
Halicore
(tree size 2)