A new dromaeosaurid theropod from Ukhaa Tolgod (Ömnögov, Mongolia) ; American Museum novitates, no. 3545

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dc.contributor.authorNorell, Mark.en_US
dc.contributor.authorClark, James Matthew, 1956-en_US
dc.contributor.authorTurner, Alan H. (Alan Hamilton)en_US
dc.contributor.authorMakovicky, Peter J.en_US
dc.contributor.authorBarsbold, Rinchin.en_US
dc.contributor.authorRowe, Timothy, 1953-en_US
dc.date.accessioned2006-12-13T21:01:46Z
dc.date.available2006-12-13T21:01:46Z
dc.date.issued2006en_US
dc.description51 p. : ill. (some col.) ; 26 cm.en_US
dc.descriptionIncludes bibliographical references (p. 37-40).en_US
dc.description.abstractWe describe a new dromaeosaurid theropod from the Upper Cretaceous Djadokhta Formation of Ukhaa Tolgod, Mongolia. The new taxon, Tsaagan mangas, consists of a well-preserved skull and cervical series. This specimen marks only the second dromaeosaurid taxon from a formation that has otherwise yielded numerous specimens of Velociraptor mongoliensis, and Tsaagan mangas is the only dromaeosaurid known from Ukhaa Tolgod beyond sporadic occurrences of isolated teeth. Tsaagan mangas differs from other dromaeosaurids in the possession of a straight, untwisted, and pendulous paroccipital process, a large and anteriorly located maxillary fenestra, and a jugal-squamosal contact that excludes the postorbital from the margin of the infratemporal fenestra. The phylogenetic affinities of Tsaagan mangas are determined through a comprehensive phylogenetic analysis of Coelurosauria, confirming its position within Dromaeosauridae. This new specimen, coupled with CT imaging, provides new information on the skull and braincase anatomy of dromaeosaurids.en_US
dc.format.extent10225973 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/2246/5823
dc.languageengen_US
dc.language.isoen_US
dc.publisherNew York, NY : American Museum of Natural Historyen_US
dc.relation.ispartofseriesAmerican Museum novitates, no. 3545en_US
dc.subject.lccQL1 .A436 no.3545, 2006en_US
dc.subject.lcshTsaagan mangas.en_US
dc.subject.lcshSkull -- Anatomy.en_US
dc.subject.lcshDromaeosauridae -- Mongolia -- Ukhaa Tolgod.en_US
dc.subject.lcshReptiles, Fossil -- Mongolia -- Ukhaa Tolgod.en_US
dc.subject.lcshPaleontology -- Cretaceous -- Mongolia -- Ukhaa Tolgod.en_US
dc.subject.lcshPaleontology -- Mongolia -- Ukhaa Tolgod.en_US
dc.subject.lcshCoeluridae -- Phylogeny.en_US
dc.titleA new dromaeosaurid theropod from Ukhaa Tolgod (Ömnögov, Mongolia) ; American Museum novitates, no. 3545en_US
dc.title.alternativeUkhaa Tolgod dromaeosauriden_US
dc.typetexten_US

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