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Vulpes stenognathus
Taxonomy
Vulpes stenognathus was named by Savage (1941). Its type locality is Optima, which is in a Hemphillian terrestrial horizon in the Ogallala Formation of Oklahoma.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1941 | Vulpes stenognathus Savage |
| 2008 | Vulpes stenognathus Wang et al. |
| 2009 | Vulpes stenognathus Tedford et al. p. 49 figs. 3, 7, 17, 18I–K, 19–22, 27, 52; appendices 2–4 |
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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.
†Vulpes stenognathus Savage 1941
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. H. Tedford et al. 2009 | Differs from V. vulpes of North America in anteroposteriorly short- er and less robust premolars; p4 often with second posterior cusp; m1 entoconid usually smaller relative to the hypoconid; talonid lacks transverse crest between entoconid and hypoconid, hypoconulid shelf smaller; m2 longer relative to length of m1 with ante- rolabial cingulum stronger and paraconid shelf larger; muzzle narrower; frontoparietal suture more anterior, with frontal crests joining at suture to form sagittal crest; braincase relatively narrower with frontal region much less expanded; small frontal sinus that penetrates base of postorbital process; and small bulla with less produced lip of auditory meatus |