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Gigantoraptor is the largest known oviraptorosaur for which skeletal material is available. Approximately three times as long and 35 times heavier than the largest earlier-discovered oviraptorosaur Citipati , the holotype of Gigantoraptor has been estimated at 8 m (26 ft) long with a height of 3.5 m (11 ft) at the hips, and a ponderous weight ...
They are distinct for their characteristically short, beaked, parrot-like skulls, with or without bony crests atop the head. They ranged in size from Caudipteryx, which was the size of a turkey, to the 8-meter-long, 1.4-ton Gigantoraptor. [2] The group (along with all maniraptoran dinosaurs) is close to the ancestry of birds.
Beibeilong Temporal range: Late Cretaceous (Cenomanian - Coniacian), ~ 96–88 Ma Pre๊ ๊ O S D C P T J K Pg N Skeleton and line drawing of Baby Louie Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Clade: Dinosauria Clade: Saurischia Clade: Theropoda Superfamily: † Caenagnathoidea Family: † Caenagnathidae Genus: † Beibeilong Pu et al., 2017 Type species ...
Similar to but more basal than Gigantoraptor. [19] Known from only a single embryo still in its egg Beipiaosaurus: 1999 Yixian Formation (Early Cretaceous, Aptian) China: Preserves evidence of downy feathers as well as a secondary coat of simpler "elongated broad filamentous feathers" or EBFFs [20] Beishanlong: 2010
If Gigantoraptor erlianensis is a caenagnathid, then it would represent far and away the largest member of the group, measuring up to 8 meters (26 ft) in length and weighing up to 2 metric tons (2.2 short tons). [23]
Jeffries’ conditions are “irreversible and will continue to worsen over time,” Bieber wrote. “Continued physical and cognitive decline is expected until Mr. Jeffries eventually succumbs to ...
The Yuanyanglong fossil material, was discovered in 2021 in sediments of the Miaogou Formation (Maortu locality) in the Gobi Desert of Chilantai, Inner Mongolia, China.Two incomplete skeletons were found in association on the same block, which are assumed to represent the same species based on comparable anatomy and body size.
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