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Megahippus
Taxonomy
Megahippus was named by McGrew (1938).
It was assigned to Equidae by McGrew (1938), Stirton (1940), Carroll (1988); and to Anchitheriinae by Prothero and Schoch (1989), MacFadden (1998).
It was assigned to Equidae by McGrew (1938), Stirton (1940), Carroll (1988); and to Anchitheriinae by Prothero and Schoch (1989), MacFadden (1998).
Species
Entered
by J. Alroy on 2003-01-23; modified by J. Marcot on 2020-04-21
Synonymy list
| Year | Name and author |
|---|---|
| 1938 | Megahippus McGrew p. 315 fig. 5 |
| 1940 | Megahippus Stirton p. 175 |
| 1988 | Megahippus Carroll |
| 1989 | Megahippus Prothero and Schoch p. 531 |
| 1998 | Megahippus MacFadden p. 545 |
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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.
G. †Megahippus McGrew 1938
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†Megahippus matthewi Barbour 1914
†Megahippus mckennai Tedford and Alf 1962
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. O. McGrew 1938 | Dental formula I3/3 C?/1 P?/3 M3/3; larger than any known Hypohippus; cheek teeth essentially like those of Hypohippus, but much larger; incisors procumbent and very large; i1 with anteroposterior diameter one-third greater than transverse diameter; i1 one·third larger than i3; upper premolars with continuous inner cingulum. |