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Boreohippidion galushai
Discussion
Type locality is Wikieup (19612)
Taxonomy
Onohippidium galushai was named by MacFadden and Skinner (1979). Its type specimen is F:AM 100077, a partial skeleton (rostral portion of the skull with well-preserved dentition), and it is a 3D body fossil. It is the type species of Boreohippidion.
It was recombined as Hippidion galushai by Alberdi and Prado (1993); it was recombined as Boreohippidion galushai by Dos Santos Avilla et al. (2015).
It was recombined as Hippidion galushai by Alberdi and Prado (1993); it was recombined as Boreohippidion galushai by Dos Santos Avilla et al. (2015).
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Onohippidium galushai MacFadden and Skinner p. 3 fig. 4 |
| 1993 | Hippidion galushai Alberdi and Prado |
| 1997 | Onohippidium galushai MacFadden pp. 3-4 fig. 4 |
| 1998 | Onohippidium galushai Kelly |
| 1998 | Onohippidium galushai MacFadden |
| 2015 | Boreohippidion galushai Dos Santos Avilla et al. pp. 925909-3 figs. 2, 3 |
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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.
†Boreohippidion galushai MacFadden and Skinner 1979
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. J. MacFadden and M. F. Skinner 1979 | Same as for genus with the following distinctions: Nasal notch retracted to above P3-P4. Fossa between buccinator and lacrimal fossae not as well developed as other Onohippidium (Fig. 4). | |
| B. J. MacFadden 1997 | Same as for genus with the following distinctions: Nasal notch re- tracted to above P3-P4. Fossa between buc- cinator and lacrimal fossae not as well de- veloped as other Onohippidium (Fig. 4). | |
| L. Dos Santos Avilla et al. 2015 | Nasal notch positioned up to the P4, and at the limit between the anterior and the posterior DPOF; dorsal bor- ders of the premaxillary bones delimiting the lateral borders of the nasal aperture; nasal notch formed only by the premaxillary and nasal bones; DPOF as a pair of depressions longitudinally placed at each side of the rostrum; distal portion of the DPOF well developed and mainly located where the maxillary and lacri- mal bones join, with ventral portion of the nasals forming its upper border; proximal portion of the DPOF less developed and located where maxillary and premaxillary bones join, from P2 to P4 (Fig. 2A, B). |
Measurements
No measurements are available
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| Source: subf = subfamily, subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988, Nowak 1991, MacFadden 1998, Lillegraven 1979, Ji et al. 2002 | |||||
Age range: Late/Upper Hemphillian or 9.40000 to 4.70000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Hemphillian | USA (Arizona) | Onohippidium galushai (19612) |