An embryonic oviraptorid (Dinosauria, Theropoda) from the Upper Cretaceous of Mongolia. American Museum novitates ; no. 3315

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dc.contributor.authorNorell, Mark.en_US
dc.contributor.authorClark, James Matthew, 1956-en_US
dc.contributor.authorChiappe, Luis M.en_US
dc.contributor.authorMongolian-American Museum Paleontological Project.en_US
dc.contributor.authorMongolyn ShinzhlÄ—kh Ukhaany Akademi.en_US
dc.date.accessioned2005-10-06T16:43:27Z
dc.date.available2005-10-06T16:43:27Z
dc.date.issued2001en_US
dc.description17 p. : ill. ; 26 cm.en_US
dc.descriptionIncludes bibliographical references (p. 15-17).en_US
dc.description.abstractAn embryonic oviraptorid skeleton is described within an egg from the late Cretaceous Djadokh[t]a Formation of Ukhaa Tolgod, Mongolia. The specimen comprises the ventral part of the skull and most of the mandible, a poorly preserved axial skeleton missing most of the tail, and portions of the forelimbs, shoulder girdles, pelvis, and hindlimbs. The skull is readily referable to the theropod dinosaur clade Oviraptoridae on the basis of several skull specializations (edentulous, vertically oriented premaxilla, a sinusoidally shaped lower jaw, and an unusual articulation of the vomer and premaxilla), and the postcranial skeleton is consistent with this identification. The egg is equivalent in overall shape and microstructure to those found beneath several oviraptorid skeletons recovered from the same formation. The skeleton is well ossified and, in comparison with ossification patterns in living Aves, the evidence suggests that this species was closer to the precocial end of the precocial-altricial spectrum of developmental patterns.en_US
dc.format.extent1433564 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/2246/2931
dc.languageengen_US
dc.language.isoen_US
dc.publisherNew York, NY : American Museum of Natural Historyen_US
dc.relation.ispartofseriesAmerican Museum novitates ; no. 3315en_US
dc.subject.lccQL1 .A436 no.3315, 2001en_US
dc.subject.lcshOviraptoridae -- Mongolia -- Ukhaa Tolgod -- Embryos.en_US
dc.subject.lcshOviraptoridae -- Eggs -- Mongolia -- Ukhaa Tolgod.en_US
dc.subject.lcshDinosaurs -- Mongolia -- Ukhaa Tolgod -- Embryos.en_US
dc.subject.lcshDinosaurs -- Eggs -- Mongolia -- Ukhaa Tolgod.en_US
dc.subject.lcshReptiles, Fossil -- Mongolia -- Ukhaa Tolgod -- Embryos.en_US
dc.subject.lcshReptiles, Fossil -- Eggs -- Mongolia -- Ukhaa Tolgod.en_US
dc.subject.lcshPaleontology -- Cretaceous -- Mongolia -- Ukhaa Tolgod.en_US
dc.subject.lcshPaleontology -- Mongolia -- Ukhaa Tolgod.en_US
dc.titleAn embryonic oviraptorid (Dinosauria, Theropoda) from the Upper Cretaceous of Mongolia. American Museum novitates ; no. 3315en_US
dc.title.alternativeOviraptorid embryoen_US
dc.typetexten_US

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