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Neotoma (pack rat)
Taxonomy
Neotoma was named by Say and Ord (1825). It is extant. Its type is Mus floridanus.
It was assigned to Lemnina by Gray (1825); to Neotominae by Hay (1902); to Muridae by Schultz and Howard (1935); to Cricetinae by Kurten and Anderson (1980); to Neotomini by Baskin (1978), Carranza-Castañeda and Walton (1992); and to Cricetidae by Say and Ord (1825), McKenna and Bell (1997), Eshelman et al. (2025).
It was assigned to Lemnina by Gray (1825); to Neotominae by Hay (1902); to Muridae by Schultz and Howard (1935); to Cricetinae by Kurten and Anderson (1980); to Neotomini by Baskin (1978), Carranza-Castañeda and Walton (1992); and to Cricetidae by Say and Ord (1825), McKenna and Bell (1997), Eshelman et al. (2025).
Species
N. (Paraneotoma), N. albigula (syn. N. latifrons, N. venusta, N. montezumae, N. cumulator), N. amplidonta, N. cinerea (syn. Teonoma spelaea), N. findleyi, N. floridana (syn. N. magister, N. baileyi, N. attwateri, N. pennsylvanica, N. campestris), N. fossilis, N. fuscipes, N. lepida, N. leucodon, N. leucopetrica, N. mexicana, N. micropus, N. minutus, N. ozarkensis, N. prefuscipes, N. prelepida, N. pygmaea, N. quadriplicata, N. spelaea, N. stephensi, N. taylori, N. vaughani
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1825 | Neotoma Gray p. 342 |
| 1825 | Neotoma Say and Ord |
| 1902 | Neotoma Hay p. 727 |
| 1933 | Parahodomys Gidley and Gazin |
| 1935 | Neotoma Schultz and Howard p. 281 |
| 1978 | Neotoma Baskin p. 131 |
| 1980 | Neotoma Kurten and Anderson p. 251 |
| 1992 | Neotoma Carranza-Castañeda and Walton p. 87 |
| 1997 | Neotoma McKenna and Bell |
| 2025 | Neotoma Eshelman et al. p. 102 |
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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. Neotoma Say and Ord 1825 [pack rat]
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Neotoma albigula Hartley 1894 [white-throated woodrat]
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Invalid names: Neotoma cumulator Mearns 1897 [synonym], Neotoma latifrons Merriam 1894 [synonym], Neotoma montezumae Goldman 1905 [synonym], Neotoma venusta True 1894 [synonym]
†Neotoma amplidonta Zakrzewski 1985
Neotoma cinerea Ord 1815 [bushy-tailed woodrat]
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Invalid names: Teonoma spelaea Sinclair 1905 [synonym]
†Neotoma findleyi Harris 1984
Neotoma floridana Ord 1818 [eastern woodrat]
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Invalid names: Neotoma attwateri Mearns 1897 [synonym], Neotoma baileyi Merriam 1894 [synonym], Neotoma campestris Allen 1894 [synonym], Neotoma magister Baird 1858 [synonym], Neotoma pennsylvanica Stone 1893 [synonym]
†Neotoma fossilis Gidley 1922
Neotoma fuscipes Baird 1858 [dusky-footed woodrat]
Neotoma lepida Thomas 1893 [desert woodrat]
Neotoma leucodon Merriam 1894
†Neotoma leucopetrica Zakrzewski 1991
Neotoma mexicana Baird 1855 [Mexican woodrat]
Neotoma micropus Baird 1855 [southern plains woodrat]
†Neotoma minutus Dalquest 1983
†Neotoma ozarkensis Brown 1908
†Neotoma prefuscipes Reynolds and Reeder 1991
†Neotoma prelepida Reynolds and Reeder 1991
†Neotoma pygmaea Harris 1984
†Neotoma quadriplicata Hibbard 1941
†Neotoma spelaea Gidley and Gazin 1933
Neotoma stephensi Goldman 1905
†Neotoma taylori Hibbard 1967
†Neotoma vaughani Czaplewski 1990
Invalid names: Parahodomys Gidley and Gazin 1933 [synonym]
Diagnosis
No diagnoses are available
Measurements
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| Source: g = genus, o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Lillegraven 1979, Nowak 1999, Ji et al. 2002, Carroll 1988, Hendy et al. 2009, Samuels and Van Valkenburgh 2008 | |||||
Age range
Maximum range based only on fossils: base of the Hemphillian to the top of the Holocene or 9.40000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 4.7 Ma
Minimum age of oldest fossil (stem group age): 4.7 Ma
Collections (293 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hemphillian | USA (Texas) | Neotoma minutus (18097) | |
| Hemphillian | USA (California) | Paraneotoma sp. (19309) | |
| Late/Upper Hemphillian | USA (Nebraska) | Neotoma sawrockensis (18126 18247 18359) | |
| Late/Upper Hemphillian | Mexico (Guanajuato) | Neotoma sawrockensis, Neotoma sp. (18738) | |
| Hemphillian - Blancan | USA (Nevada) | Paraneotoma sp. (19966) | |
| Blancan | USA (Texas) | Neotoma quadriplicata (20030) Neotoma quadriplicata, Neotoma sawrockensis (20060) | |
| Blancan | USA (Nebraska) | Neotoma sp. (19955 19963) | |
| Blancan | USA (Kansas) | Neotoma quadriplicata (19936) Neotoma sawrockensis (19922) Neotoma taylori (19941 19942 19943 19944 19945 19947) Parahodomys quadriplicatus (19931 19932 19935) | |
| Blancan | Mexico (Sonora) | Neotoma sp. (20322) | |
| Blancan | Mexico (Baja California Sur) | Neotoma sp. (19673) | |
| Blancan | USA (California) | Neotoma fossilis (19705 19736 19737 19738 19739 19740 28237) Neotoma sawrockensis (19718 19719 19720) Neotoma sp. (19709 19714 19716 19723 19735 20540) Neotoma taylori, Neotoma quadriplicata (19715) Paraneotoma fossilis (19721 19725 19726) Paraneotoma sp. (19708) | |
| Blancan | USA (Nevada) | Neotoma sp. (19965) Neotoma vaughani (20017) | |
| Blancan | USA (Washington) | Neotoma quadriplicata (20063) Paraneotoma fossilis (20062) | |
| Blancan | USA (New Mexico) | Paraneotoma quadriplicatus (19982) | |
| Blancan | USA (Idaho) | Neotoma quadriplicata (19822 19852 19858 19863 19906) | |
| Blancan | USA (Arizona) | Neotoma fossilis (19624 19628 19654) Neotoma quadriplicata (19653) Neotoma sp. (19618 19620 19621 19625 19627 19629 19632 19638 19650 19657) Neotoma taylori (19658 19659 19660) | |
| Piacenzian | USA (California) | Neotoma sp. (19703) | |
| Gelasian | USA (Florida) | Neotoma sp. (20384) | |
| Gelasian | USA (Kansas) | Neotoma taylori (19927) | |
| Early/Lower Pleistocene | USA (Florida) | Neotoma sp. (19750) | |