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Hagryphus
''Hagryphus'' ("Ha's griffin"), is an oviraptorosaurian theropod dinosaur from the Upper Cretaceous Period of what is now Utah.
==Discovery and naming==
To date, only a single species of ''Hagryphus'' has been named in 2005 by Lindsay Zanno and Scott Sampson, the type species ''Hagryphus giganteus''. The generic name is derived from Egyptian ''Ha'', the name of the god of the western desert and a Latinised Greek γρύψ (''gryps'') meaning 'griffin' (a mythological bird-like creature). The specific name means "gigantic" in Latin.〔Zanno, L. E. and Sampson, S. D. 2005. A new oviraptorosaur (Theropoda; Maniraptora) from the Late Cretaceous (Campanian) of Utah. Journal of Vertebrate Paleontology 25 (4):897–904, December 2005〕
The holotype was discovered in 2002 by Michael Getty in the Kaiparowits Formation (Late Campanian) in the Grand Staircase-Escalante National Monument of southern Utah. The find was scientifically reported in 2003.〔Zanno, L.E. & Sampson, S.D. 2003. A new caenagnathid specimen from the Kaiprowits Formation (Late Campanian) of Utah. Journal of Vertebrate Paleontology 23(3):114A〕 Radiometric dating of rocks from slightly below the rock bed where the fossil was found indicates that the specimen died 75.95 million years ago. Designated UMNH VP 12765, the type specimen resides in the collections of the Utah Museum of Natural History in Salt Lake City. It consists of an incomplete but articulated left manus and the distal portion of the left radius. The hand lacks the second claw. In the wrist both the semilunate carpal bone and the radiale are preserved. Also some fragmentary foot elements, found at the hillside near the hand, have been catalogued under the same inventory number.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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