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Oryzomys (rice rat)
Taxonomy
Oryzomys was named by Baird (1857). It is extant.
It was assigned to Cricetinae by Kurten and Anderson (1980); to Cricetidae by Baird (1857), McKenna and Bell (1997); to Oryzomyini by D'Elía (2003); and to Sigmodontinae by Wilson and Reeder (2005), Salles et al. (2006).
It was assigned to Cricetinae by Kurten and Anderson (1980); to Cricetidae by Baird (1857), McKenna and Bell (1997); to Oryzomyini by D'Elía (2003); and to Sigmodontinae by Wilson and Reeder (2005), Salles et al. (2006).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1857 | Oryzomys Baird |
| 1980 | Oryzomys Kurten and Anderson p. 239 |
| 1997 | Oryzomys McKenna and Bell |
| 2003 | Oryzomys D'Elía p. 314 |
| 2005 | Oryzomys Wilson and Reeder |
| 2006 | Oryzomys Salles et al. p. 9 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. Oryzomys Baird 1857 [rice rat]
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Oryzomys albigularis Tomes 1860 [White-throated oryzomys]
Oryzomys alfaroi Allen 1891 [Alfaros oryzomys]
Oryzomys angouya Fischer 1814 [Angouya oryzomys]
Oryzomys anoblepas Winge 1887
Oryzomys balneator Thomas 1900 [Ecuadoran oryzomys]
Oryzomys barbacoas Allen 1916
Oryzomys chapmani Thomas 1898 [Chapmans oryzomys]
Oryzomys couesi Alston 1876 [Coues oryzomys]
Oryzomys delticola Thomas 1917
Oryzomys flavescens Waterhouse 1837 [yellow pygmy rice rat]
†Oryzomys fossilis Hibbard 1955
Oryzomys fulvescens Saussure 1860 [fulvous pygmy rice rat]
Oryzomys hammondi Thomas 1913 [Hammonds oryzomys]
†Oryzomys palustris Harlan 1837 [marsh rice rat]
Oryzomys ratticeps Hensel 1837
Oryzomys russatus Wagner 1848
Oryzomys subflavus Wagner 1842
Oryzomys sublineatus Thomas 1903
Diagnosis
No diagnoses are available
Measurements
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| Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Nowak 1999, Hendy et al. 2009, Ji et al. 2002, Carroll 1988, Lillegraven 1979 | |||||
Age range
Maximum range based only on fossils: base of the Pleistocene to the top of the Holocene or 2.58000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 1.4 Ma
Minimum age of oldest fossil (stem group age): 1.4 Ma
Collections (40 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Blancan | USA (New Mexico) | Oryzomys sp. (19982) | |
| Pleistocene - Holocene | Brazil (Rio Grande do Sul) | Oryzomys megacephalus, Oryzomys subflavus (211820) Oryzomys sp. (211822) | |
| Irvingtonian | USA (Kansas) | Oryzomys fossilis (20422 20423) | |
| Irvingtonian | Canada (Saskatchewan) | Oryzomys sp. (20563) | |
| Irvingtonian | USA (Texas) | Oryzomys fossilis (20318) | |
| Rancholabrean | USA (Florida) | Oryzomys palustris (20398 20440 20491 195112) | |
| Late/Upper Pleistocene | Mexico (Tamaulipas) | Oryzomys palustris (71264) | |
| Late/Upper Pleistocene (high glacial) | USA (Texas) | Oryzomys palustris (74470) | |
| Late/Upper Pleistocene | Brazil (Goiás) | Oryzomys megacephalus, Oryzomys lamia, Oryzomys sp., Oryzomys subflavus (211821) | |
| Late/Upper Pleistocene (interglacial) | USA (Georgia) | Oryzomys palustris (20604) | |
| Late/Upper Pleistocene | USA (Florida) | Oryzomys palustris (20638 34269 74292 154805) | |
| Late/Upper Pleistocene (interglacial) | USA (Florida) | Oryzomys palustris (20571 20573 20595 20634 20650 20653) | |
| Late/Upper Pleistocene (glacial) | USA (Florida) | Oryzomys palustris (20598 20608 154771) | |
| Late/Upper Pleistocene (interglacial) | USA (Kansas) | Oryzomys fossilis (20605) | |
| Late/Upper Pleistocene | Brazil (Piaui) | Oryzomys sp., Oryzomys subflavus (71332 71334) | |
| Late/Upper Pleistocene | USA (Georgia) | Oryzomys palustris (13066) | |
| Late/Upper Pleistocene (late glacial) | USA (Florida) | Oryzomys palustris (154722) | |
| Late/Upper Pleistocene - Holocene | Jamaica | Oryzomys antillarum (214634) | |
| Late/Upper Pleistocene - Holocene | Antigua and Barbuda | Oryzomys hypenemus (214603) | |
| Holocene | Venezuela (Guarico) | Oryzomys bicolor (21686) | |
| Holocene | Peru | Oryzomys nitidus, Oryzomys capito, Oryzomys macconnelli (21689) | |
| Holocene | Jamaica | Oryzomys palustris (215359) | |
| Holocene | Panama | Oryzomys bicolor, Oryzomys capito, Oryzomys concolor, Oryzomys fulvescens (21691) | |
| Holocene | Brazil (Districto Agropecura) | Oryzomys bicolor, Oryzomys capito, Oryzomys macconnelli, Oryzomys paricola (21687) |