| Accepted name | : | Manatidae (Family) Gray, 1821, nom. illeg. | |
Ref: R.L. Carroll, 1988: App. (p. 646). |
| Synonymous name | : | Halicorea (Family) Brandt, 1846 | |
Ref: PBDB: 30 Apr 2013. |
| Synonymous name | : | Halicoreae (Family) (Brandt, 1833), nom. illeg. | |
Ref: PBDB: 30 Apr 2013. |
| Synonymous name | : | Manatida (Family) Brandt, 1868, nom. illeg. | |
Ref: PBDB: 30 Apr 2013. |
| Synonymous name | : | Manatoidea (Family) (Gill, 1872), nom. illeg. | |
Ref: PBDB: 30 Apr 2013. |
| Synonymous name | : | Trichechoidea (Family) (Gill, 1872), nom. illeg. | |
Ref: PBDB: 27 Oct 2013. |