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04325aam a2200493 i 4500 001 91E494DC033A11E8972C924897128E48 003 SILO 005 20180127021036 008 170608t20172017nyua b 000 0 eng d 035 $a (OCoLC)989676013 040 $a YAM $b eng $e rda $c YAM $d YAM $d NUI $d SILO 043 $a n-us-ny $a n-us-ny 050 4 $a QH1 $b .A4 no.413 100 1 $a Bai, Bin, $d 1981- $e author. 245 10 $a Osteology of the Middle Eocene ceratomorph Hyrachyus modestus (Mammalia, Perissodactyla) / $c Bin Bai (Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, CAS, Beijing; and State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS, Nanjing), Jin Meng (Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, CAS, Beijing; and Division of Paleontology, American Museum of Natural History, New York), Yuan-qing Wang (Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, CAS, Beijing; and College of Earth Science, UCAS, Beijing), Hai-bing Wang (Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, CAS, Beijing; and UCAS, Beijing), Luke Holbrook (Department of Biological Sciences, Rowan University, Glassboro, NJ; Division of Paleontology, American Museum of Natural History; and Department of Vertebrate Zoology, Academy of Natural Sciences of Drexel University, Philadelphia). 246 17 $a Osteology of ceratomorph Hyrachyus modestus 264 1 $a New York, NY : $b American Museum of Natural History, $c [2017] 300 $a 68 pages : $b illustrations ; $c 26 cm 490 1 $a Bulletin of the American Museum of Natural History, $x 0003-0090 ; $v no. 413 500 $a "Issued June 9, 2017." 500 $a Specimens collected from the Bridger Basin of Wyoming. (Materials and methods, page 5) 530 $a Also available online. 500 $a Local PDF available in high- and low-resolution versions. 504 $a Includes bibliographical references (pages 63-64). 520 3 $a 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. 650 0 $a Hyrachyus modestus. 650 0 $a Bones. 650 0 $a Perissodactyla, Fossil $z Wyoming. 650 0 $a Ceratomorpha $x Evolution. 650 0 $a Rhinocerotoidea $x Evolution. 650 0 $a Rhinocerotoidea $x Phylogeny. 650 0 $a Perissodactyla $x Phylogeny. 650 0 $a Paleontology $y Eocene. 650 0 $a Paleontology $z Wyoming. 610 20 $a American Museum of Natural History. $b Division of Paleontology $v Catalogs. 700 1 $a Meng, Jin $c (Paleontologist), $e author. 700 1 $a Wang, Yuan-qing, $e author. 700 1 $a Wang, Hai-bing, $e author. 700 1 $a Holbrook, Luke, $e author. 773 18 $w 990007621370202771 $g no:413 830 0 $a Bulletin of the American Museum of Natural History ; $v no. 413, $x 0003-0090 941 $a 1 952 $l OVUX522 $d 20220317043640.0 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=91E494DC033A11E8972C924897128E48Initiate Another SILO Locator Search