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Osteology of the Middle Eocene ceratomorph Hyrachyus modestus (Mammalia, Perissodactyla). (Bulletin of the American Museum of Natural History, no. 413)

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dc.contributor.author Bai, Bin, 1981-
dc.contributor.author Meng, Jin (Paleontologist)
dc.contributor.author Wang, Yuan-qing.
dc.contributor.author Wang, Hai-Bing.
dc.contributor.author Holbrook, Luke.
dc.date.accessioned 2017-06-12T17:14:39Z
dc.date.available 2017-06-12T17:14:39Z
dc.date.issued 2017-06-09
dc.identifier.uri http://digitallibrary.amnh.org/handle/2246/6718
dc.description 68 pages : illustrations ; 26 cm. en_US
dc.description.abstract The middle Eocene ceratomorph Hyrachyus has been considered a pivotal genus in ceratomorph evolution, either as a transitional form from tapiroids to rhinocerotoids, giving rise to all later rhinocerotoids, or else as the sister taxon to other rhinocerotoids. Thus, Hyrachyus has been commonly chosen as an outgroup in phylogenetic analyses of rhinocerotoids. However, little has been published on the osteology of Hyrachyus, even though well-preserved craniodental and postcranial specimens of this taxon have been in collections for decades. Here, we describe and illustrate the cranial and postcranial osteology of Hyrachyus modestus, based mainly on the exceptionally preserved specimens housed at the American Museum of Natural History, specifically AMNH FM 12664. Our bone-by-bone description provides detailed information on the osteological morphology of Hyrachyus, which should be useful for phylogenetic analyses of both rhinocerotoids and perissodactyls in general, because it provides one of the more complete and best-preserved examples of the skeleton of an earlier Eocene perissodactyl.... en_US
dc.language.iso en_US en_US
dc.publisher American Museum of Natural History. en_US
dc.relation
dc.relation.ispartofseries Bulletin of the American Museum of Natural History;no.413.
dc.subject Hyrachyus modestus. en_US
dc.subject Bones. en_US
dc.subject Perissodactyla, Fossil. en_US
dc.subject Ceratomorpha. en_US
dc.subject Rhinocerotoidea. en_US
dc.subject Phylogeny. en_US
dc.subject Wyoming. en_US
dc.title Osteology of the Middle Eocene ceratomorph Hyrachyus modestus (Mammalia, Perissodactyla). (Bulletin of the American Museum of Natural History, no. 413) en_US
dc.title.alternative Osteology of ceratomorph Hyrachyus modestus. en_US


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  • Bulletin of the American Museum of Natural History
    The Bulletin, published continuously since 1881, consists of longer monographic volumes in the field of natural sciences relating to zoology, paleontology, and geology. Current numbers are published at irregular intervals. The Bulletin was originally a place to publish short papers, while longer works appeared in the Memoirs. However, in the 1920s, the Memoirs ceased and the Bulletin series began publishing longer papers. A new series, the Novitates , published short papers describing new forms.

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