Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Mammalia - (Order) Sirenia

Subsequent positions

Sirenia (Infraorder) Gill, 1872

Ref: M.C. McKenna & S.K. Bell, 1997: 493.

Original entries

Questionably Dugonginae (Subfamily) Gray, 1821
Questionably †Eosiren (Genus) Andrews, 1902
Questionably †Eotheroides (Genus) Palmer, 1899
Questionably †Felsinotherium (Genus) Capellini, 1865, nom. nud.
Questionably †Halianassa (Genus) Studer, 1887
Questionably †Halitheriinae (Subfamily) Abel, 1913
Questionably Hydrodamalinae (Subfamily) Palmer, 1895
Questionably †Miodugong (Genus) Deraniyagala, 1969
Questionably †Miosireninae (Subfamily) Abel, 1919
Questionably †Protosireninae (Subfamily) Sickenberg, 1934
Questionably †Rytiodontinae (Subfamily) Abel, 1914
Questionably †Sirenotherium (Genus) Paula Couto, 1967, nom. dub.

Current position

Sirenia (Order) Gill, 1872

Ref: C.J. Burgin et al., 2020: table 2 (p. 26).

Alternative positions

Sirenia (Infraorder) Gill, 1872

Ref: M.C. McKenna & S.K. Bell, 1997: 493. [new position]

Historical positions

Sirenia (Order) Gill, 1872	Ref: C.J. Burgin et al., 2020: table 2 (p. 26).
Sirenia (Order) Gill, 1872	Ref: D.E. Wilson & D.M. Reeder, 2011: 57.
Sirenia (Order) Gill, 1872	Ref: J. Shoshani, 2005: 92.
Sirenia (Infraorder) Gill, 1872	Ref: M.C. McKenna & S.K. Bell, 1997: 493. [new position]
Sirenia (Order) Gill, 1872	Ref: D.E. Wilson, 1993: 365; 6.
Sirenia (Order) Gill, 1872	Ref: G.B. Corbet & J.E. Hill, 1991: 122.
Sirenia (Order) Gill, 1872	Ref: B. Gardiner et al., 1989: 304.
Sirenia (Order) Gill, 1872	Ref: R.L. Carroll, 1988: App. (p. 646).
Sirenia (Order) Gill, 1872	Ref: A.F. DeBlase, 1982: 1056.
Sirenia (Order) Gill, 1872	Ref: B. Grzimek, 1973-1975

Number of Subtaxa

2026	Available in Systema Naturae 2000	1g;1s; ‡1g;1s; †21g;14s;4ss
1989-present	Systema Naturae 2000	1g;1s; ‡1g;1s; †21g
2011	D.E. Wilson & D.M. Reeder: 57	1g;1s
2005	J. Shoshani	[1g;1s; ‡1g;1s]
1997	M.C. McKenna & S.K. Bell	[1g; ‡1g; †20g]
1993	D.E. Wilson	2[1]g;2[1]s; ‡[1g;1s]
1991	G.B. Corbet & J.E. Hill	[1g;1s; ‡1g;1s]
1982	A.F. DeBlase	[1sf;1g;1s; ‡1sf;1g;1s]