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Merychippus patruus
Taxonomy
Merychippus patruus was named by Osborn (1918).
It was recombined as Merychippus (Protohippus) patruus by Stirton (1940); it was considered a nomen dubium by Macdonald (1992).
It was recombined as Merychippus (Protohippus) patruus by Stirton (1940); it was considered a nomen dubium by Macdonald (1992).
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.
†Merychippus patruus Osborn 1918
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. F. Osborn 1918 | (Matthew, 1913) (1) OI medium size. (2) Premolars relatively narrow transversely, molars rela- tively broad transversely; (3) in well worn teeth protocone strongly united to protoloph; (4) protoloph separated from metaloph until teeth are considerably worn; (5) hypocone absorbed in metaloph at an early stage of wear, distinct only in m2 of the type; (6) protocone of round-oval form, anterior in position; (7) enamel lakes in well worn teeth nearly simple; (8)plicaballinfoldofcrochetregionsingleinwellwornteeth,crochettripleinunwornteeth; (9)parastylemoder- ately broad on upper premolars, narrow on upper molars; (10) metastyle narrow in all teeth, narrowing rapidly at the base. |
Measurements
No measurements are available
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| Source: subf = subfamily, subc = subclass, c = class, subp = subphylum | |||||
| References: Nowak 1991, MacFadden 1998, Hendy et al. 2009, Lillegraven 1979, Carroll 1988, Ji et al. 2002 | |||||
Collections
No collection or age range data are available