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Onychomys pedroensis
Taxonomy
Onychomys pedroensis was named by Gidley (1922). Its type specimen is USNM 10506, a mandible (Portion of a left lower jaw carrying the first and last cheek teeth), and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1922 | Onychomys pedroensis Gidley p. 125 figs. Pl. 35 fig. 1 |
1941 | Onychomys fossilis Hibbard |
1980 | Onychomys fossilis Kurten and Anderson p. 249 |
1980 | Onychomys pedroensis Kurten and Anderson p. 249 |
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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.
†Onychomys pedroensis Gidley 1922
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Invalid names: Onychomys fossilis Hibbard 1941 [synonym]
Diagnosis
Reference | Diagnosis | |
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J. W. Gidley 1922 | Length of the cheek teeth 4.5 millimeters; size somewhat larger than O. leu. ruidosae, which it somewhat more nearly resembles than any other living species. It further differs from that species in its relatively greater depth of jaw, the greater degree to which the masseteric ridge is carried forward, and the somewhat less reduced condition of the last cheek tooth. |
Measurements
No measurements are available
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Source: g = genus, o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Hendy et al. 2009, Ji et al. 2002, Samuels and Van Valkenburgh 2008, Lillegraven 1979, Carroll 1988, Nowak 1999 |
Age range: base of the Gelasian to the top of the Late/Upper Pleistocene or 2.58800 to 0.01170 Ma
Collections (11 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Blancan | USA (Kansas) | Onychomys fossilis (19942) | |
Blancan | USA (Arizona) | Onychomys pedroensis (19646 19659 20303) | |
Gelasian | USA (Kansas) | Onychomys pedroensis (19927) | |
Irvingtonian | USA (Texas) | Onychomys jinglebobensis (20530) Onychomys pedroensis (20164 20451) | |
Irvingtonian | USA (Nebraska) | Onychomys pedroensis (20523) | |
Irvingtonian | USA (South Dakota) | Onychomys pedroensis (20389) | |
Late/Upper Pleistocene (interglacial) | USA (Kansas) | Onychomys jinglebobensis (20605) |