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Taxonomy
Leptocyon leidyi was named by Tedford et al. (2009). Its type specimen is UNSM 25715, a partial skull, and it is a 3D body fossil. Its type locality is Hemingford Quarry 12D, which is in a Hemingfordian terrestrial horizon in the Runningwater Formation of Nebraska.
Synonymy list
| Year | Name and author |
|---|---|
| 2009 | Leptocyon leidyi Tedford et al. p. 31 figs. 7, 11F–I, 12C–J, 13A–F, 17 |
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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 leidyi Tedford et al. 2009
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. H. Tedford et al. 2009 | L. leidyi differs from L. gregorii in dentition averaging slightly larger (fig. 7), proportionally shorter and less inflated bulla, and tendency to reduce and lose postproto- crista of M2, and loss of paraconid of m2. L. leidyi averages smaller than L. vafer with 95% confidence interval of m1 length nearly separated (fig. 7); m2 slightly longer relative to length of m1, it lacks enlargement of m2 anterolabial cingulum and short nasals that characterize L. vafer, but it shares lack of postprotocrista on M2. |