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Sigmodon (cotton rat)

Mammalia - Rodentia - Cricetidae

Synonymy list
YearName and author
1825Sigmodon Gray p. 342
1825Sigmodon Say and Ord
1980Sigmodon Kurten and Anderson p. 250
1997Sigmodon McKenna and Bell
2003Sigmodon D'Elía p. 314

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
RankNameAuthor
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
EuarchontogliresMurphy et al. 2001
GliriformesWyss and Meng 1996
Glires()
Simplicidentata()
orderRodentiaBowdich 1821
infraorderMyodontaSchaub 1958
superfamilyMuroideaIlliger 1811
Eumuroida
familyCricetidaeFischer von Waldheim 1817
tribeSigmodontiniWagner 1843
genusSigmodonSay and Ord 1825

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. Sigmodon Say and Ord 1825 [cotton rat]
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Sigmodon alstoni Thomas 1880
Sigmodon bakeri Martin 1974
Sigmodon chonensis Allen 1913
Sigmodon curtisi Gidley 1922
Sigmodon hispidus Say and Ord 1825 [hispid cotton rat]
Sigmodon hudspethensis Strain 1966
Sigmodon libitinus Martin 1979
Sigmodon lindsayi Martin and Prince 1989
Sigmodon minor Gidley 1922
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Invalid names: Sigmodon intermedius Hibbard 1937 [synonym], Sigmodon medius Gidley 1922 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmean

Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingg
Diet: herbivoreo
Reproduction: viviparoussubc
Comments: "terrestrial" (possibly meaning scansorial)g
Created: 2012-05-15 12:54:46
Modified: 2012-05-14 21:54:46
Source: g = genus, o = order, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Samuels and Van Valkenburgh 2008, Carroll 1988, Nowak 1999, Hendy et al. 2009, Ji et al. 2002

Age range

Maximum range based only on fossils: base of the Hemphillian to the top of the Holocene or 10.30000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 4.9 Ma

Collections (185 total)


Time interval Ma Country or state Original ID and collection number
Hemphillian10.3 - 4.9Mexico (Jalisco) Sigmodon sp. (189788 189790)
Blancan4.9 - 1.8USA (Florida) Sigmodon medius (19752 19753)
Blancan4.9 - 1.8USA (Colorado) Sigmodon curtisi, Sigmodon minor (19744)
Blancan4.9 - 1.8USA (Kansas) Sigmodon intermedius (19925 19934 19935 19936 19938) Sigmodon minor (19941 19942 19943 19945 19947) Sigmodon sp. (19933)
Blancan4.9 - 1.8Mexico (Sonora) Sigmodon curtisi (20322)
Blancan4.9 - 1.8USA (Arizona) Sigmodon curtisi, Sigmodon minor (19646 19650 20303) Sigmodon medius (19618 19620 19621 19624 19628 19638 19642 19653 19654 19656 19657 19658 19659 19660) Sigmodon sp. (19622 19625 19627 19629 19631 19632 19634 19636 19649 19651)
Blancan4.9 - 1.8USA (Nebraska) Sigmodon medius (19963)
Blancan4.9 - 1.8USA (California) Sigmodon medius (19733 19734 19736 19737 19738 19740 19741 19742) Sigmodon minor (19708 19715 20086 20093 20099 20101 20103 20107 20108 20110 20113 20116 20119) Sigmodon sp. (19709 19714 19716 19721 19722 19725 19726 20096 20117 20122 20540) Sigmodon sp., Sigmodon lindsayi, Sigmodon minor (20121) Sigmodon sp., Sigmodon minor (20106 20112 20120)
Blancan4.9 - 1.8USA (Texas) Sigmodon hudspethensis (20037 20053) Sigmodon medius (20023 20030 20032 20034 20060)
Blancan - Irvingtonian4.9 - 0.3USA (Arizona) Sigmodon sp. (19652)
Blancan - Irvingtonian4.9 - 0.3USA (California) Sigmodon minor (20298)
Gelasian2.588 - 1.806USA (Florida) Sigmodon curtisi (20384)
Gelasian2.588 - 1.806USA (Kansas) Sigmodon hilli (19927)
Early/Lower Pleistocene2.588 - 0.781USA (Florida) Sigmodon medius (98313)
Pleistocene2.588 - 0.0117Mexico (Jalisco) Sigmodon sp. (20285)
Irvingtonian1.8 - 0.3USA (Florida) Sigmodon bakeri (20289 20415) Sigmodon curtisi (20385) Sigmodon curtisi, Sigmodon minor (20308) Sigmodon libitinus (20350 20351 20402 20475 20526) Sigmodon sp. (20400)
Irvingtonian1.8 - 0.3USA (California) Sigmodon lindsayi, Sigmodon minor (20126) Sigmodon medius (20378) Sigmodon minor (20128 20186 20191 28221 28223) Sigmodon sp. (20174 20175 20178 20181 20189 20192 20199 20240 20241) Sigmodon sp., Sigmodon lindsayi (20125) Sigmodon sp., Sigmodon lindsayi, Sigmodon minor (20123 20124) Sigmodon sp., Sigmodon minor (20176 20177 20187)
Irvingtonian1.8 - 0.3USA (Arizona) Sigmodon curtisi, Sigmodon minor (20341 20344) Sigmodon sp. (20340 20444)
Irvingtonian1.8 - 0.3USA (Texas) Sigmodon curtisi (20164 20337)
Irvingtonian1.8 - 0.3USA (Kansas) Sigmodon curtisi (20147) Sigmodon sp. (20391 20567)
Irvingtonian1.8 - 0.3USA (South Carolina) Sigmodon bakeri (79919)
Irvingtonian - Rancholabrean1.8 - 0.012USA (California) Sigmodon sp. (20323)
Middle Pleistocene (glacial)0.781 - 0.126USA (Florida) Sigmodon hispidus (75974)
Lujanian0.781 - 0.012Peru (Piura) Sigmodon sp. (145500)
Rancholabrean0.3 - 0.012USA (Florida) Sigmodon bakeri (20440) Sigmodon hispidus (20398 20491 195112)
Rancholabrean0.3 - 0.012Mexico (Sonora) Sigmodon sp. (20495)
Late/Upper Pleistocene0.126 - 0.0117Peru Sigmodon sp. (71346)
Late/Upper Pleistocene0.126 - 0.0117Mexico (Nuevo Leon) Sigmodon hispidus (71345)
Late/Upper Pleistocene (glacial)0.126 - 0.0117USA (Florida) Sigmodon hispidus (20608 154771 154921) Sigmodon sp. (20598)
Late/Upper Pleistocene0.126 - 0.0117USA (Florida) Sigmodon hispidus (20638 34269 74292 154805)
Late/Upper Pleistocene0.126 - 0.0117USA (Arizona) Sigmodon sp. (20619)
Late/Upper Pleistocene (high glacial)0.126 - 0.0117USA (Texas) Sigmodon hispidus (74470 93103)
Late/Upper Pleistocene0.126 - 0.0117USA (Texas) Sigmodon hispidus (74473)
Late/Upper Pleistocene0.126 - 0.0117USA (Georgia) Sigmodon hispidus (13066)
Late/Upper Pleistocene (interglacial)0.126 - 0.0117USA (Florida) Sigmodon bakeri (20580 20593 20650) Sigmodon hispidus (20571 20573 20594 20595 20634 20653 79667) Sigmodon sp. (20636)
Late/Upper Pleistocene (high glacial)0.126 - 0.0117Venezuela (Zulia) Sigmodon hispidus (63515)
Late/Upper Pleistocene (interglacial)0.126 - 0.0117USA (Georgia) Sigmodon hispidus (20604)
Late/Upper Pleistocene (late glacial)0.126 - 0.0117USA (Texas) Sigmodon hispidus (79581)
Late/Upper Pleistocene0.126 - 0.0117Mexico (Tamaulipas) Sigmodon hispidus (71264)
Late/Upper Pleistocene (interglacial)0.126 - 0.0117USA (Texas) Sigmodon hispidus (20586)
Late/Upper Pleistocene (high glacial)0.126 - 0.0117USA (New Mexico) Sigmodon hispidus (76059) Sigmodon sp. (76060)
Late/Upper Pleistocene (late glacial)0.126 - 0.0117USA (Florida) Sigmodon hispidus (154722)
Late/Upper Pleistocene (interglacial)0.126 - 0.0117Mexico (Sonora) Sigmodon sp. (20633)
Late/Upper Pleistocene - Holocene0.126 - 0.0Mexico (Chihuahua) Sigmodon sp. (71263)
Late/Upper Pleistocene - Holocene (late glacial)0.126 - 0.0USA (Arizona) Sigmodon sp. (93374)
Holocene0.0117 - 0.0Venezuela (Guarico) Sigmodon alstoni (21686)
Holocene0.0117 - 0.0USA (Texas) Sigmodon hispidus (74474 79584)
Holocene0.0117 - 0.0Panama Sigmodon hispidus (21691)