| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Oligospermophilus douglassi
Taxonomy
Protosciurus douglassi was named by Korth (1981). Its type locality is Prairie Dog Creek, which is in an Orellan terrestrial horizon in the Brule Formation of Nebraska.
It was recombined as Oligospermophilus douglassi by Korth (1987), Korth et al. (2022).
It was recombined as Oligospermophilus douglassi by Korth (1987), Korth et al. (2022).
Synonymy list
| Year | Name and author |
|---|---|
| 1981 | Protosciurus douglassi Korth |
| 1987 | Oligospermophilus douglassi Korth |
| 2022 | Oligospermophilus douglassi Korth et al. |
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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.
†Oligospermophilus douglassi Korth 1981
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Nowak 1991, Carroll 1988, Lillegraven 1979, Ji et al. 2002, Hendy et al. 2009 | |||||
Age range: base of the Chadronian to the top of the Orellan or 37.00000 to 31.80000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chadronian | USA (Nebraska) | Oligospermophilus douglassi (16941) | |
| Late/Upper Chadronian - Orellan | USA (Nebraska) | Oligospermophilus douglassi (230806) | |
| Orellan | USA (Nebraska) | Oligospermophilus douglassi (17235 17239 17264) Protosciurus douglassi (type locality: 17160) |