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Taxonomy
Nothocyon vulpinus was named by Matthew (1907). Its type locality is AMNH Rosebud 7, which is in a Harrisonian terrestrial horizon in the Harrison Formation of South Dakota.
It was recombined as Cynodesmus vulpinus by Macdonald (1963), Macdonald (1970); it was recombined as Leptocyon vulpinus by Wang and Tedford (1992), Wang (1994), Wang et al. (2008), Wang and Tedford (2008), Tedford et al. (2009).
It was recombined as Cynodesmus vulpinus by Macdonald (1963), Macdonald (1970); it was recombined as Leptocyon vulpinus by Wang and Tedford (1992), Wang (1994), Wang et al. (2008), Wang and Tedford (2008), Tedford et al. (2009).
Synonymy list
| Year | Name and author |
|---|---|
| 1907 | Nothocyon vulpinus Matthew |
| 1963 | Cynodesmus vulpinus Macdonald |
| 1970 | Cynodesmus vulpinus Macdonald |
| 1992 | Leptocyon vulpinus Wang and Tedford p. 224 |
| 1994 | Leptocyon vulpinus Wang p. 61 |
| 2008 | Leptocyon vulpinus Wang and Tedford |
| 2009 | Leptocyon vulpinus Tedford 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.
†Leptocyon vulpinus Matthew 1907
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. H. Tedford et al. 2009 | Leptocyon vulpinus differs from L. douglassi and Leptocyon gregorii in its larger size, stronger and more distinct parastyle on M1, m1 with trigonid and talonid wider relative to length, andproportionally larger m2 with larger and more distinct paraconid. L. vulpinus differs from L. mollis in its larger size, as well as larger and taller crowned premolars. |
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Nowak 1991, Lillegraven 1979, Ji et al. 2002, Carroll 1988 | |||||
Age range: base of the Harrisonian to the top of the Early/Lower Hemingfordian or 23.10000 to 16.30000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| early Late Arikareean | USA (Oregon) | Leptocyon vulpinus (36761) | |
| late Late Arikareean | USA (California) | Leptocyon sp. (167853) | |
| Harrisonian | USA (South Dakota) | Cynodesmus vulpinus (type locality: 17451) | |
| Early/Lower Hemingfordian | USA (Nebraska) | Leptocyon gregorii (17898) Leptocyon vulpinus (17891 17934) |