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Sigmodon (cotton rat)
Taxonomy
Sigmodon was named by Say and Ord (1825). It is extant.
It was assigned to Lemnina by Gray (1825); to Cricetinae by Kurten and Anderson (1980); to Cricetidae by Say and Ord (1825) and McKenna and Bell (1997); and to Sigmodontini by D'Elía (2003).
It was assigned to Lemnina by Gray (1825); to Cricetinae by Kurten and Anderson (1980); to Cricetidae by Say and Ord (1825) and McKenna and Bell (1997); and to Sigmodontini by D'Elía (2003).
Synonymy list
Year | Name and author |
---|---|
1825 | Sigmodon Gray p. 342 |
1825 | Sigmodon Say and Ord |
1980 | Sigmodon Kurten and Anderson p. 250 |
1997 | Sigmodon McKenna and Bell |
2003 | Sigmodon D'Elía p. 314 |
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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. 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]
Sigmodon ochrognathus Bailey 1902
Diagnosis
No diagnoses are available
Measurements
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Source: g = genus, o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Ji et al. 2002, Hendy et al. 2009, Nowak 1999, Carroll 1988, Samuels and Van Valkenburgh 2008, Lillegraven 1979 |
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
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 |
---|---|---|---|
Hemphillian | Mexico (Jalisco) | Sigmodon sp. (189788 189790) | |
Blancan | USA (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) | |
Blancan | USA (Texas) | Sigmodon hudspethensis (20037 20053) Sigmodon medius (20023 20030 20032 20034 20060) | |
Blancan | Mexico (Sonora) | Sigmodon curtisi (20322) | |
Blancan | USA (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) | |
Blancan | USA (Colorado) | Sigmodon curtisi, Sigmodon minor (19744) | |
Blancan | USA (Kansas) | Sigmodon intermedius (19925 19934 19935 19936 19938) Sigmodon minor (19941 19942 19943 19945 19947) Sigmodon sp. (19933) | |
Blancan | USA (Florida) | Sigmodon medius (19752 19753) | |
Blancan | USA (Nebraska) | Sigmodon medius (19963) | |
Blancan - Irvingtonian | USA (Arizona) | Sigmodon sp. (19652) | |
Blancan - Irvingtonian | USA (California) | Sigmodon minor (20298) | |
Gelasian | USA (Kansas) | Sigmodon hilli (19927) | |
Gelasian | USA (Florida) | Sigmodon curtisi (20384) | |
Early/Lower Pleistocene | USA (Florida) | Sigmodon medius (98313) | |
Pleistocene | Mexico (Jalisco) | Sigmodon sp. (20285) | |
Irvingtonian | USA (Kansas) | Sigmodon curtisi (20147) Sigmodon sp. (20391 20567) | |
Irvingtonian | USA (Texas) | Sigmodon curtisi (20164 20337) | |
Irvingtonian | USA (South Carolina) | Sigmodon bakeri (79919) | |
Irvingtonian | USA (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) | |
Irvingtonian | USA (Florida) | Sigmodon bakeri (20289 20415) Sigmodon curtisi (20385) Sigmodon curtisi, Sigmodon minor (20308) Sigmodon libitinus (20350 20351 20402 20475 20526) Sigmodon sp. (20400) | |
Irvingtonian | USA (Arizona) | Sigmodon curtisi, Sigmodon minor (20341 20344) Sigmodon sp. (20340 20444) | |
Irvingtonian - Rancholabrean | USA (California) | Sigmodon sp. (20323) | |
Middle Pleistocene (glacial) | USA (Florida) | Sigmodon hispidus (75974) | |
Lujanian | Peru (Piura) | Sigmodon sp. (145500) | |
Rancholabrean | Mexico (Sonora) | Sigmodon sp. (20495) | |
Rancholabrean | USA (Florida) | Sigmodon bakeri (20440) Sigmodon hispidus (20398 20491 195112) | |
Late/Upper Pleistocene | USA (Texas) | Sigmodon hispidus (74473) | |
Late/Upper Pleistocene (interglacial) | USA (Georgia) | Sigmodon hispidus (20604) | |
Late/Upper Pleistocene (interglacial) | USA (Florida) | Sigmodon bakeri (20580 20593 20650) Sigmodon hispidus (20571 20573 20594 20595 20634 20653 79667) Sigmodon sp. (20636) | |
Late/Upper Pleistocene | USA (Georgia) | Sigmodon hispidus (13066) | |
Late/Upper Pleistocene (high glacial) | Venezuela (Zulia) | Sigmodon hispidus (63515) | |
Late/Upper Pleistocene (late glacial) | USA (Texas) | Sigmodon hispidus (79581) | |
Late/Upper Pleistocene | Mexico (Tamaulipas) | Sigmodon hispidus (71264) | |
Late/Upper Pleistocene (interglacial) | Mexico (Sonora) | Sigmodon sp. (20633) | |
Late/Upper Pleistocene (late glacial) | USA (Florida) | Sigmodon hispidus (154722) | |
Late/Upper Pleistocene (interglacial) | USA (Texas) | Sigmodon hispidus (20586) | |
Late/Upper Pleistocene (high glacial) | USA (New Mexico) | Sigmodon hispidus (76059) Sigmodon sp. (76060) | |
Late/Upper Pleistocene (glacial) | USA (Florida) | Sigmodon hispidus (20608 154771 154921) Sigmodon sp. (20598) | |
Late/Upper Pleistocene | Peru | Sigmodon sp. (71346) | |
Late/Upper Pleistocene | Mexico (Nuevo Leon) | Sigmodon hispidus (71345) | |
Late/Upper Pleistocene | USA (Arizona) | Sigmodon sp. (20619) | |
Late/Upper Pleistocene | USA (Florida) | Sigmodon hispidus (20638 34269 74292 154805) | |
Late/Upper Pleistocene (high glacial) | USA (Texas) | Sigmodon hispidus (74470 93103) | |
Late/Upper Pleistocene - Holocene (late glacial) | USA (Arizona) | Sigmodon sp. (93374) | |
Late/Upper Pleistocene - Holocene | Mexico (Chihuahua) | Sigmodon sp. (71263) | |
Holocene | USA (Texas) | Sigmodon hispidus (74474 79584) | |
Holocene | Panama | Sigmodon hispidus (21691) | |
Holocene | Venezuela (Guarico) | Sigmodon alstoni (21686) |