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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Geomyidae was named by Bonaparte (1845). It is extant. Its type is Geomys.
It was assigned to Simplicidentata by Flower (1883) and Flower and Lydekker (1891); to Myomorpha by Gadow (1898); to Myomorpha by Hay (1902); to Sciurognathi by Jaekel (1911); to Rodentia by Johnson (1966), Kurten and Anderson (1980) and Nowak (1991); to Geomyoidea by Wood (1958), Carroll (1988), Nowak (1999) and Montgelard et al. (2002); and to Castorimorpha by Wilson and Reeder (2005).
It was assigned to Simplicidentata by Flower (1883) and Flower and Lydekker (1891); to Myomorpha by Gadow (1898); to Myomorpha by Hay (1902); to Sciurognathi by Jaekel (1911); to Rodentia by Johnson (1966), Kurten and Anderson (1980) and Nowak (1991); to Geomyoidea by Wood (1958), Carroll (1988), Nowak (1999) and Montgelard et al. (2002); and to Castorimorpha by Wilson and Reeder (2005).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1845 | Geomyidae Bonaparte |
| 1883 | Geomyidae Flower p. 185 |
| 1891 | Geomyidae Flower and Lydekker p. 91 |
| 1898 | Geomyidae Gadow p. 44 |
| 1902 | Geomyidae Hay p. 730 |
| 1911 | Geomyidae Jaekel p. 222 |
| 1958 | Geomyidae Wood p. 172 |
| 1966 | Geomyidae Johnson p. 80 |
| 1980 | Geomyidae Kurten and Anderson p. 223 |
| 1988 | Geomyidae Carroll |
| 1991 | Geomyidae Nowak |
| 1999 | Geomyidae Nowak |
| 2002 | Geomyidae Montgelard et al. p. 228 |
| 2005 | Geomyidae Wilson and Reeder |
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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.
Fm. Geomyidae Bonaparte 1845 [pocket gopher]
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G. Cratogeomys Merriam 1895 [pocket gopher]
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†Cratogeomys bensoni Gidley 1922
Cratogeomys castanops Baird 1852 [yellow-faced pocket gopher]
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Invalid names: Geomys clarkii Baird 1855 [synonym]
Cratogeomys fumosus Merriam 1892 [smoky pocket gopher]
Cratogeomys gymnurus Merriam 1892 [Llano pocket gopher]
Cratogeomys merriami Thomas 1893 [Merriam's pocket gopher]
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Invalid names: Cratogeomys estor Merriam 1895 [synonym], Cratogeomys fulvescens Merriam 1895 [synonym], Cratogeomys perotensis Merriam 1895 [synonym]
Cratogeomys neglectus Merriam 1902 [Querétaro pocket gopher]
†Cratogeomys sansimonensis Tomida 1987
Cratogeomys tylorhinus Merriam 1895
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Invalid names: Platygeomys planiceps Merriam 1895 [synonym], Platygeomys varius Goldman 1939 [synonym]
Cratogeomys zinseri Goldman 1939 [Zinser's pocket gopher]
Invalid names: Platygeomys Merriam 1895 [synonym]
Subfm. †Geomyinae Bonaparte 1845
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G. †Parapliosaccomys Shotwell 1967
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†Parapliosaccomys annae Korth 1987
†Parapliosaccomys hibbardi Storer 1973
†Parapliosaccomys oregonensis Shotwell 1967
†Parapliosaccomys transversus Barnosky 1986
†Parapliosaccomys wittei Martin 2008
G. Geomys Rafinesque 1817
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†Geomys adamsi Hibbard 1967
†Geomys bisulcatus Marsh 1871
Geomys bursarius Shaw 1800 [plains pocket gopher]
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Invalid names: Geomys parvidens Gidley 1922 [synonym]
†Geomys carranzai Lindsay and Jacobs 1985
†Geomys jacobi Hibbard 1967
Geomys lutescens Merriam 1890
Geomys pinetis Rafinesque 1817 [southeastern pocket gopher]
†Geomys quinni McGrew 1944
†Geomys tobinensis Hibbard 1944
Invalid names: Parageomys Hibbard 1944 [synonym]
G. †Mojavemys Lindsay 1972
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†Mojavemys alexandrae Lindsay 1972
†Mojavemys galushai Korth and Chaney 1999
†Mojavemys lophatus Lindsay 1972
†Mojavemys magnumarcus Barnosky 1986
†Mojavemys mascallensis Downs 1956
†Mojavemys wilsoni James 1963
G. †Nerterogeomys Gazin 1942
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†Nerterogeomys anzensis Becker and White 1981
†Nerterogeomys garbanii White and Downs 1961
†Nerterogeomys minor Gidley 1922
†Nerterogeomys paenebursarius Strain 1966
†Nerterogeomys persimilis Hay 1927
†Nerterogeomys smithi Hibbard 1967
G. Orthogeomys Merriam 1895
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Orthogeomys hispidus Le Conte 1852
†Orthogeomys onerosus Russell 1960
†Orthogeomys propinetis Wilkins 1984
Invalid names: Heterogeomys Merriam 1895 [synonym]
G. Pappogeomys Merriam 1895
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Pappogeomys alcorni Russell 1957
Pappogeomys bulleri Thomas 1892
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Invalid names: Geomys nelsoni Merriam 1895 [synonym], Pappogeomys albinasus Merriam 1895 [synonym]
G. †Phelosaccomys Korth and Reynolds 1994
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†Phelosaccomys neomexicanus Korth and Chaney 1999
†Phelosaccomys shotwelli Korth and Reynolds 1994
G. †Pleurolicus Cope 1878
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†Pleurolicus compressus Korth and Kron 2020
†Pleurolicus dakotensis Wood 1936
†Pleurolicus exiguus Korth 1996
†Pleurolicus hemingfordensis Korth et al. 1990
†Pleurolicus mensae Korth and Kron 2020
†Pleurolicus sellardsi Hibbard and Wilson 1950
†Pleurolicus sulcifrons Cope 1878
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Invalid names: Grangerimus oregonensis Wood 1936 [synonym], Pleurolicus copei Wood 1936 [synonym], Pleurolicus diplophysus Cope 1881 [synonym]
Invalid names: Grangerimus Wood 1936 [synonym]
G. †Pliogeomys Hibbard 1954
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†Pliogeomys buisi Hibbard 1954
†Pliogeomys parvus Zakrzewski 1969
†Pliogeomys russelli Korth 1995
G. †Pliosaccomys Wilson 1936
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†Pliosaccomys dubius Wilson 1936
†Pliosaccomys higginsensis Dalquest and Patrick 1989
†Pliosaccomys prowitteorum Martin and Mallory 2011
G. †Tenudomys Rensberger 1973
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†Tenudomys basilaris Korth 1989
†Tenudomys bodei Wilson 1949
†Tenudomys dakotensis Macdonald 1963
†Tenudomys macdonaldi Rensberger 1973
†Tenudomys ridgeviewensis Korth and Branciforte 2007
†Tenudomys titanus Martin 1974
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]
G. Zygogeomys Merriam 1895 [Michoacan pocket gopher]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Lillegraven 1979, Nowak 1991, Ji et al. 2002, Carroll 1988, Hendy et al. 2009 | |||||
Age range
Maximum range based only on fossils: base of the Orellan to the top of the Holocene or 33.90000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 33.3 Ma
Minimum age of oldest fossil (stem group age): 33.3 Ma
Collections (548 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bartonian - Rupelian | Mexico (Oaxaca) | Geomyinae indet. (166797) | |
| Late/Upper Chadronian - Orellan | USA (Nebraska) | Tenudomys basilaris (230806) | |
| Orellan | USA (Nebraska) | Tenudomys basilaris (17250) | |
| Whitneyan | Canada (Saskatchewan) | Geomyidae indet. (17372) | |
| Geringian | USA (South Dakota) | Grangerimus dakotensis (17633 17641) Pleurolicus leptophrys (17623) | |
| Geringian | USA (Nebraska) | Pleurolicus sulcifrons (17597) Tenudomys titanus (17495) Tenudomys titanus, Tenudomys ridgeviewensis (17709) | |
| Geringian | USA (Oregon) | Pleurolicus sulcifrons (17537) | |
| Arikareean | USA (California) | Geomyidae indet. (17676) Mookomys bodei (17677) | |
| Arikareean | USA (Wyoming) | Entoptychinae indet. (17490) | |
| Arikareean | USA (Montana) | Pleurolicus sp., Tenudomys sp. (17543) Tenudomys sp. (17700) | |
| Arikareean | USA (Nebraska) | Pleurolicus sulcifrons (17541) | |
| Arikareean | USA (Oregon) | Pleurolicus sulcifrons (180202) | |
| Arikareean | USA (South Dakota) | Pleurolicus dakotensis (17461) | |
| early Early Arikareean - early Late Arikareean | USA (California) | Tenudomys sp. (175251) | |
| early Late Arikareean | USA (Oregon) | Tenudomys sp. (36763) | |
| Monroecreekian | USA (South Dakota) | Grangerimus sp. (17549 17554) Pleurolicus dakotensis (17555) | |
| Harrisonian | USA (Texas) | Grangerimus sellardsi (17814) | |
| Harrisonian | USA (South Dakota) | Grangerimus oregonensis (17756) | |
| Harrisonian | USA (Nebraska) | Pleurolicus exiguus (17791) | |
| Miocene | USA (Montana) | Mojavemys sp. (19000) | |