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Haplohippus texanus
Taxonomy
Haplohippus texanus was named by McGrew (1953) [genotype]. Its type specimen is FMNH PM 17, a mandible (nearly complete lower jaw with sym- physis and both rami, lacking coronoids and condyles), and it is a 3D body fossil. It is the type species of Haplohippus.
Synonymy list
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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.
†Haplohippus texanus McGrew 1953
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. O. McGrew 1953 | Height of cheek teeth approximately as in Epihippus; lower premolars without and lower molars with external cingula;
p2 not molariform, with single anterior cusp and poorly distinguished posterior cusps; p3 partially molariform with incomplete lophids; p4 and molars with distinct entoconids and low parastylids; symphysis long. |
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, Carroll 1988, Ji et al. 2002, Lillegraven 1979 | |||||
Age range: base of the Duchesnean to the top of the Middle Eocene or 39.70000 to 37.71000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Eocene | USA (Oregon) | Haplohippus texanus (16842) | |
| Duchesnean | USA (Texas) | Haplohippus texanus (16828) |