Sirenia

Sirenia is an order of herbivorous mammals. In this order are the dugong and three species of manatee.

For information about the Gothic metal band, see Sirenia (band)

Sirenia Temporal range: Early Eocene – Holocene, 55.8–0 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Clockwise from upper left: West Indian manatee, African manatee, Steller's sea cow, dugong, Amazonian manatee
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Superorder:	Afrotheria
Clade:	Paenungulata
Clade:	Tethytheria
Order:	Sirenia Illiger, 1811
Families
Dugongidae Trichechidae †Prorastomidae †Protosirenidae
West Indian in green, Amazonian in red, African in orange, dugong in blue, Steller's sea cow circled (yellow)
Synonyms[1]
List of synonyms Halobioidea Ameghino, 1889 Herbivorae Gray, 1821 Phycoceta Haeckel, 1866 Sirenoidea van Beneden, 1855 Sireniformes Kinman, 1994 Trichechiformes Hay, 1923

Taxonomy

• Order Sirenia
  • Family Dugongidae
    • Dugong, Dugong dugon
    • †Steller's sea cow, Hydrodamlis gigas
  • Family Trichechidae
    • West Indian manatee, Trichechus manatus
    • African manatee, Trichechus senegalensis
    • Amazonian manatee, Trichechus inunguis