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Taxonomy
Gaillardia thomsoni was named by Matthew (1932) [genotype]. Its type specimen is AMNH 20508, a mandible (a lower jaw, left ramus complete, with p3- 4, m3 and alveoli of remaining teeth), and it is a 3D body fossil. Its type locality is ZX Bar, which is in a Hemphillian terrestrial horizon in the Snake Creek Formation of Nebraska. It is the type species of Gaillardia.
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1932 | Gaillardia thomsoni Matthew |
| 1956 | Hydroscapheus americanus Shotwell |
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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.
†Gaillardia thomsoni Matthew 1932
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Invalid names: Hydroscapheus americanus Shotwell 1956 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Lillegraven 1979, Ji et al. 2002, Hendy et al. 2009, Nowak 1991 | |||||
Age range: Hemphillian or 10.30000 to 4.90000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hemphillian | USA (Oregon) | Gaillardia thomsoni (222670) Hydroscapheus americanus (18970) | |
| Late/Upper Hemphillian | USA (Nebraska) | Gaillardia thomsoni (type locality: 18499) |