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Merychippus labrosus
Taxonomy
Protohippus labrosus was named by Cope (1874). Its type specimen is AMNH 8266, a mandible (a composite of two jaw fragments, the symphysis and the (right) ramus belonging certainly to different indi- viduals and probably to distinct species. The symph), and it is a 3D body fossil. Its type locality is Pawnee Buttes (Upper Beds), which is in a Miocene terrestrial horizon in Colorado.
It was synonymized subjectively with Protohippus perditus by Matthew (1899); it was recombined as Merychippus labrosus by Hay (1902), Cope and Matthew (1915) and Osborn (1918); it was considered a nomen dubium by Gidley (1907), Galbreath (1953) and Macdonald (1992).
It was synonymized subjectively with Protohippus perditus by Matthew (1899); it was recombined as Merychippus labrosus by Hay (1902), Cope and Matthew (1915) and Osborn (1918); it was considered a nomen dubium by Gidley (1907), Galbreath (1953) and 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 labrosus Cope 1874
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Diagnosis
No diagnoses are available