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Taxonomy
Canis rurestris was named by Condon (1896) [said by Green 1948 to be 1902]. It is not extant. Its type specimen is UO 23077, a skull. Its type locality is Cottonwood Creek, which is in a Barstovian terrestrial horizon in the Mascall Formation of Oregon.
It was recombined as Tomarctus rurestris by Green (1948), Shotwell (1968); it was recombined as Tephrocyon rurestris by Merriam (1906), Thorpe (1922), Wang et al. (1999), Wang et al. (2008).
It was recombined as Tomarctus rurestris by Green (1948), Shotwell (1968); it was recombined as Tephrocyon rurestris by Merriam (1906), Thorpe (1922), Wang et al. (1999), Wang et al. (2008).
Synonymy list
| Year | Name and author |
|---|---|
| 1896 | Canis rurestris Condon |
| 1906 | Tephrocyon rurestris Merriam p. 6 figs. Pl. 1, Figs. 1 - 3 |
| 1922 | Tephrocyon rurestris Thorpe |
| 1948 | Tomarctus rurestris Green |
| 1968 | Tomarctus rurestris Shotwell |
| 1999 | Tephrocyon rurestris Wang et al. |
| 2008 | Tephrocyon rurestris Wang 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.
†Tephrocyon rurestris Condon 1896
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. C. Merriam 1906 | Muzzle short, posterior ends of premaxillaries extending behind the anterior ends of the frontals, sagittal crest high, inion prominent, auditory bullae very large, inferior margin of the mandible strongly convex below the anterior side of the coronoid process. Dentition 3/3, 1/1, 4/4, 2/3. P4 with incipient protostyle, deuterocone weak. M1 with broad internal lobe, apparently without protoconule. p2, p3 , and p4 with posterior basal tubercles and without anterior cusps. m1 with well-developed metaconid, heel with low entoconid and hypoconid. Trigonid of m2 with distinct paraconid. m3 with three or four low tubercles or ridges. |
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Lillegraven 1979, Ji et al. 2002, Hendy et al. 2009, Carroll 1988, Nowak 1991 | |||||
Age range: base of the Hemingfordian to the top of the Barstovian or 18.50000 to 12.50000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hemingfordian | USA (Oregon) | Tephrocyon rurestris (212623 212625) | |
| Barstovian | USA (Oregon) | Canis rurestris (231010) Tephrocyon rurestris (19031) Tomarctus kelloggi (19019) Tomarctus rurestris (19017 19027) |