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Thomomys
Taxonomy
Thomomys was named by Wied-Neuwied (1839). It is extant.
It was assigned to Geomyidae by Wied-Neuwied (1839), Hay (1902), Schultz and Howard (1935), Hibbard (1955), Kurten and Anderson (1980), McKenna and Bell (1997), Wilson and Reeder (2005), Eshelman et al. (2025).
It was assigned to Geomyidae by Wied-Neuwied (1839), Hay (1902), Schultz and Howard (1935), Hibbard (1955), Kurten and Anderson (1980), McKenna and Bell (1997), Wilson and Reeder (2005), Eshelman et al. (2025).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1839 | Thomomys Wied-Neuwied |
| 1902 | Thomomys Hay p. 730 |
| 1935 | Thomomys Schultz and Howard p. 280 |
| 1955 | Thomomys Hibbard p. 51 |
| 1980 | Thomomys Kurten and Anderson p. 223 |
| 1997 | Thomomys McKenna and Bell |
| 2005 | Thomomys Wilson and Reeder |
| 2025 | Thomomys Eshelman et al. p. 98 |
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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. Thomomys Wied-Neuwied 1839
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Thomomys bottae Eydoux and Gervais 1836 [Botta's pocket gopher]
Thomomys bottae fulvus Woodhouse 1852
Thomomys bulbivorus Richardson 1829
†Thomomys carsonensis Kelly 1994
†Thomomys clusius Coues 1875
†Thomomys gidleyi Wilson 1933
†Thomomys microdon Sinclair 1905 [pocket gopher]
Thomomys monticola Allen 1893 [mountain pocket gopher]
†Thomomys orientalis Simpson 1928
†Thomomys potomacensis Gidley and Gazin 1933
Thomomys talpoides Richardson 1828 [northern pocket gopher]
Thomomys townsendii Bachman 1839 [Townsend's pocket gopher]
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Invalid names: Thomomys scudderi Hay 1921 [synonym]
Thomomys umbrinus Richardson 1829 [southern pocket gopher]
Diagnosis
No diagnoses are available
Measurements
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| Source: g = genus, f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Stein 2000, Lillegraven 1979, Hendy et al. 2009, Carroll 1988, Nowak 1991, Ji et al. 2002 | |||||
Age range
Maximum range based only on fossils: base of the Clarendonian to the top of the Holocene or 12.50000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 9.4 Ma
Minimum age of oldest fossil (stem group age): 9.4 Ma
Collections (208 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Clarendonian | USA (California) | Geomyidae indet. (19517) T. sp. (19322 19384) | |
| Hemphillian | USA (California) | T. sp. (19569) | |
| Late/Upper Hemphillian | USA (Nebraska) | T. sp. (18126 18359) | |
| Blancan | USA (Washington) | T. gidleyi (20063) T. sp., T. gidleyi (20062) | |
| Blancan | USA (Nevada) | T. carsonensis (19997) T. sp. (19113) | |
| Blancan | USA (Idaho) | T. gidleyi (19903) T. sp. (19905 19908 19911 19915 19916) | |
| Blancan | USA (Nebraska) | T. sp. (19955) | |
| Blancan | USA (California) | T. bottae, T. gidleyi (19719) T. gidleyi (19705 19720 19730 19732 19734 19735 19736 19737 19738) T. sp. (19721 19722 19726 19731 19740 20120) | |
| Blancan - Irvingtonian | USA (California) | T. gidleyi (20298) | |
| Pleistocene | USA (West Virginia) | T. potomacensis (123875) | |
| Pleistocene | USA (California) | T. bottae (237076) T. sp. (183461 183462) | |
| Quaternary | USA (Oregon) | T. sp. (275384) | |
| Irvingtonian | USA (California) | T. bottae (20181 20185 20186 20191 20200 20205 20206 20207 20209 20210 20211 20212 20214 20230 20231 20234 20237 20246 20454 20464 20472) T. gidleyi (20442 26548) T. sp. (20123 20126 20127 20128 20130 20173 20174 20176 20177 20178 20182 20183 20184 20187 20188 20189 20195 20196 20199 20208 20213 20220 20228 20232 20233 20238 20240 20241 20242 20243 20244 20245 20247 20248 20251 20272 20319 20327 20374 20387 20453 20459 20460 20462 20465 20470 20471 20473 20528) | |
| Irvingtonian | USA (Nebraska) | T. sp. (20347 20348 20501) | |
| Irvingtonian | Canada (Saskatchewan) | T. talpoides (20563) | |
| Irvingtonian | USA (Utah) | T. sp. (20406) | |
| Irvingtonian | USA (Florida) | T. orientalis (20289) | |
| Irvingtonian | USA (Pennsylvania) | T. potomacensis (20354) | |
| Irvingtonian | Mexico (Aguascalientes) | T. umbrinus (20283) | |
| Irvingtonian | USA (New Mexico) | T. sp. (20504 20505 20506 20507 20512 20514) | |
| Irvingtonian | USA (Kansas) | T. sp. (20301 20390) T. talpoides (20312 20313 20316) | |
| Irvingtonian | USA (West Virginia) | T. potomacensis (20554) T. sp. (20555) | |
| Irvingtonian | USA (South Dakota) | T. sp. (20389 20503) | |
| Irvingtonian | USA (Colorado) | T. sp. (20477 20559) | |
| Irvingtonian | USA (Maryland) | Plesiothomomys potomacensis, T. potomacensis (20302) | |
| Irvingtonian | USA (Arizona) | T. sp. (20444 20445 20446 20447) | |
| Irvingtonian | USA (Oklahoma) | T. sp. (20309) | |
| Irvingtonian | USA (Texas) | T. sp. (20568) T. talpoides (20163 20306) | |
| Irvingtonian - Rancholabrean | USA (California) | T. bottae (20323) | |
| Middle Pleistocene | USA (California) | T. bottae (20639) | |
| Rancholabrean | USA (California) | T. bottae (240844) T. sp. (200313 225558) | |
| Rancholabrean (glacial) | USA (California) | T. bottae (20624) | |
| Rancholabrean | USA (Nevada) | T. sp. (223356) | |
| Late/Upper Pleistocene (interglacial) | USA (Utah) | T. talpoides (20641) | |
| Late/Upper Pleistocene (interglacial) | Canada (Saskatchewan) | T. talpoides (20635) | |
| Late/Upper Pleistocene (interglacial) | Canada (Alberta) | T. talpoides (20615) | |
| Late/Upper Pleistocene (high glacial) | USA (New Mexico) | T. bottae (76060) T. sp. (76059) | |
| Late/Upper Pleistocene (interglacial) | USA (Florida) | T. orientalis (20636) T. sp. (20573) | |
| Late/Upper Pleistocene | USA (Arizona) | T. sp. (20619 63381) | |
| Late/Upper Pleistocene (glacial) | USA (California) | T. leucodon, T. microdon, T. monticola (155393) | |
| Late/Upper Pleistocene | USA (Texas) | T. bottae (74473) | |
| Late/Upper Pleistocene | USA (Florida) | T. orientalis (20638) | |
| Late/Upper Pleistocene | USA (New Mexico) | T. bottae (93141) T. fulvus (93281) T. talpoides (79655) | |
| Late/Upper Pleistocene | USA (Montana) | T. taloides (162123) T. talpoides (162132) | |
| Late/Upper Pleistocene (interglacial) | USA (Idaho) | T. townsendii (20569) | |
| Late/Upper Pleistocene | USA (California) | T. bottae (73752 85314 106400) T. sp. (155409 219438 236636) T. sp., T. monticola (74235) | |
| Late/Upper Pleistocene (interglacial) | USA (California) | T. bottae (20623 20642) T. sp. (20607 20622 20644 20645 20646) | |
| Late/Upper Pleistocene (late glacial) | USA (Oklahoma) | T. sp. (93178) T. talpoides (74145) | |
| Late/Upper Pleistocene (high glacial) | USA (Arizona) | T. sp. (85144) | |
| Late/Upper Pleistocene (late glacial) | USA (Colorado) | T. sp. (74953) T. sp., T. talpoides (74954) | |
| Late/Upper Pleistocene | USA (Oregon) | T. sp., T. talpoides, T. townsendii, T. townsendi (93251) | |
| Late/Upper Pleistocene (high glacial) | Canada (Alberta) | T. talpoides (93528) | |
| Late/Upper Pleistocene | Mexico (Nuevo Leon) | T. bottae (71345) | |
| Late/Upper Pleistocene - Holocene (late glacial) | USA (Arizona) | T. bottae (93374) | |
| Late/Upper Pleistocene - Holocene | Mexico (Chihuahua) | T. umbrinus (71263) | |
| Late/Upper Pleistocene - Holocene | USA (California) | T. sp. (236908) | |
| Late/Upper Pleistocene - Holocene | USA (Utah) | T. umbrinus (93326) | |
| Holocene | USA (Arizona) | T. bottae (63720 63724) T. sp. (63710 63715 63716 63722 63723) T. sp., T. bottae (63708 63712 63721) | |
| Holocene | USA (Texas) | T. bottae (74474) | |
| Holocene | USA (Montana) | T. talpoides (162133) |