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Monotypic taxon: Genus Phaenomys Thomas, 1917 - Rio de Janeiro rice rat (mammal)

Entity:

Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Mammalia - (Order) Rodentia - (Family) Cricetidae

Subsequent positions

Thomasomyini (Tribe) Steadman & Ray, 1982

Current position

Thomasomyini (Tribe) Steadman & Ray, 1982

Ref: M.C. McKenna & S.K. Bell, 1997: 146.

Alternative positions

*Hesperomyinae* (Subfamily) Murray, 1866	Ref: G.B. Corbet & J.E. Hill, 1991: 154.
*Sigmodontinae* (Subfamily) Wagner, 1843	Ref: G.G. Musser & M.D. Carleton, 1993: 737.

Historical positions

*Thomasomyini* (Tribe) Steadman & Ray, 1982	Ref: M.C. McKenna & S.K. Bell, 1997: 146.
*Sigmodontinae* (Subfamily) Wagner, 1843	Ref: G.G. Musser & M.D. Carleton, 1993: 737.
*Hesperomyinae* (Subfamily) Murray, 1866	Ref: G.B. Corbet & J.E. Hill, 1991: 154.

Number of Subtaxa

2025	Available in Systema Naturae 2000	1s
1989-present	Systema Naturae 2000	[1s]
1993	G.G. Musser & M.D. Carleton	[1s]
1991	G.B. Corbet & J.E. Hill	[1s]

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Last updated: 21 Sep 2025