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Taxon:
Genus
Oryzomys
Baird, 1857
- rice rats
(mammal)
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Hierarchy
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Entity:
Oryzomyini (Tribe)
..Amphinectomys (Genus)
..Handleyomys (Genus)
..Holochilus (Genus) - web-footed rats
..Lundomys (Genus)
..‡Megalomys (Genus) - West Indian giant rice rats
..Melanomys (Genus)
..Microakodontomys (Genus)
..Microryzomys (Genus)
..Neacomys (Genus) - bristly mice
..Nectomys (Genus) - Neotropical water rats
..Nesoryzomys (Genus) - Galapagos rice rats
..Oecomys (Genus) - bicolored rice rats
..Oligoryzomys (Genus)
..Pseudoryzomys (Genus)
..Scolomys (Genus) - spiny mouse
..Sigmodontomys (Genus)
..Zygodontomys (Genus) - cane mice
..Oryzomys (Genus) - rice rats
....[Oligoryzomys] (Subgenus)
....Oryzomys albigularis (Species) - Tomes' rice rat
....[Oryzomys alfari] (Species) - Alfaro's water rat
....[Oryzomys alfaroi] (Species) - Alfaro's rice rat
....[Oryzomys altissimus] (Species)
....Oryzomys andersoni (Species) - Anderson's rice rat
....[Oryzomys andinus] (Species)
....[Oryzomys aphrastus] (Species) - Harris's rice rat
....[Oryzomys arenalis] (Species)
....[Oryzomys argentatus] (Species) - silver rice rat
....Oryzomys auriventer (Species)
....Oryzomys balneator (Species)
....[Oryzomys bauri] (Species)
....[Oryzomys bicolor] (Species)
....Oryzomys bolivaris (Species)
....[Oryzomys bombycinus] (Species) - silky rice rat
....Oryzomys buccinatus (Species)
....[Oryzomys caliginosus] (Species) - dusky rice rat
....Oryzomys capito (Species)
....[Oryzomys caudatus] (Species)
....[Oryzomys chacoensis] (Species)
....[Oryzomys chaparensis] (Species)
....[Oryzomys chapmani] (Species)
....[Oryzomys cleberi] (Species)
....[Oryzomys concolor] (Species)
....Oryzomys couesi (Species) - Coues' rice rat
....[Oryzomys cozumelae] (Species)
....‡Oryzomys curasoae (Species)
....[Oryzomys delicatus] (Species)
....[Oryzomys delticola] (Species)
....Oryzomys devius (Species)
....Oryzomys dimidiatus (Species) - Thomas's water rat
....[Oryzomys endersi] (Species)
....[Oryzomys flavescens] (Species)
....[Oryzomys fornesi] (Species)
....†Oryzomys fossilis (Species)
....[Oryzomys fulgens] (Species) - Thomas's rice rat
....[Oryzomys fulvescens] (Species) - pygmy rice rat
....Oryzomys galapagoensis (Species)
....[Oryzomys gatunensis] (Species)
....Oryzomys gorgasi (Species)
....Oryzomys hammondi (Species)
....[Oryzomys intectus] (Species)
....Oryzomys intermedius (Species)
....Oryzomys keaysi (Species)
....Oryzomys kelloggi (Species)
....Oryzomys lamia (Species)
....Oryzomys legatus (Species)
....Oryzomys levipes (Species)
....[Oryzomys longicaudatus] (Species)
....Oryzomys macconnelli (Species)
....[Oryzomys melanostoma] (Species)
....[Oryzomys melanotis] (Species) - black-eared rice rat
....[Oryzomys microtis] (Species)
....[Oryzomys minutus] (Species)
....[Oryzomys munchiquensis] (Species)
....‡Oryzomys nelsoni (Species) - Nelson's rice rat
....[Oryzomys nigripes] (Species)
....Oryzomys nitidus (Species)
....Oryzomys oniscus (Species)
....Oryzomys palustris (Species) - marsh rice rat
....[Oryzomys peninsulae] (Species)
....[Oryzomys pirrensis] (Species)
....Oryzomys polius (Species)
....Oryzomys ratticeps (Species)
....[Oryzomys rhabdops] (Species)
....[Oryzomys rivularis] (Species)
....[Oryzomys robustulus] (Species)
....[Oryzomys rostratus] (Species)
....[Oryzomys russulus] (Species)
....[Oryzomys saturatior] (Species)
....[Oryzomys spodiurus] (Species)
....Oryzomys subflavus (Species)
....Oryzomys talamancae (Species)
....[Oryzomys trabeatus] (Species)
....[Oryzomys utiaritensis] (Species)
....[‡Oryzomys victus] (Species) - St Vincent rice rat
....Oryzomys xantheolus (Species)
....Oryzomys yunganus (Species)
....[Oryzomys zunigae] (Species)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Mammalia
-
(Order)
Rodentia
-
(Family)
Cricetidae
Subsequent positions
Oryzomyini
(Tribe)
Vorontzov, 1959
Subsequent entries
Oligoryzomys
(Subgenus)
Bangs, 1900
Current position
Oryzomyini
(Tribe)
Vorontzov, 1959
Ref:
M.C. McKenna & S.K. Bell, 1997
: 144.
Alternative positions
Hesperomyinae
(Subfamily)
Murray, 1866
Ref:
G.B. Corbet & J.E. Hill, 1991
: 151.
Hesperomyini
(Tribe)
Ref:
A.F. DeBlase, 1982
: 1048.
Sigmodontinae
(Subfamily)
Wagner, 1843
Ref:
G.G. Musser & M.D. Carleton, 1993
: 719.
Historical positions
Oryzomyini
(Tribe)
Vorontzov, 1959
Ref:
M.C. McKenna & S.K. Bell, 1997
: 144.
Sigmodontinae
(Subfamily)
Wagner, 1843
Ref:
G.G. Musser & M.D. Carleton, 1993
: 719-720.
Hesperomyinae
(Subfamily)
Murray, 1866
Ref:
G.B. Corbet & J.E. Hill, 1991
: 151.
Hesperomyini
(Tribe)
Ref:
A.F. DeBlase, 1982
: 1048.
Hesperomyini
(Tribe)
Ref:
I. Eibl-Eibesfeldt et al., 1974
: 585.
Number of Subtaxa
2025
Available in Systema Naturae 2000
29s;1ss; ‡2s;1ss; †1s
1989-present
Systema Naturae 2000
[29s]
1993
G.G. Musser & M.D. Carleton
[35s; ‡1s]
1991
G.B. Corbet & J.E. Hill
[53s; ‡2s]
1982
A.F. DeBlase
58s
©2004-2025 Universal Taxonomic Services
Last updated:
21 Sep 2025