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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 ...
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]
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.
Deinocheirus (/ ˌ d aɪ n oʊ ˈ k aɪ r ə s / DY-no-KY-rəs) is a genus of large ornithomimosaur that lived during the Late Cretaceous around 70 million years ago. In 1965, a pair of large arms, shoulder girdles, and a few other bones of a new dinosaur were first discovered in the Nemegt Formation of Mongolia.
The skull is based on Utahraptor and Deinonychus, and the lateral views of the femur and metatarsals are based again, on Utahraptor and Deinonychus, respectively. Apparently there are more elements preserved, but they are badly mentioned or not figured in the paper, with that being said, is there any problems?
Some taxa (such as Citipati, Corythoraptor, Rinchenia) had a midline crest on top of the skull, resembling that of a cassowary. Other distinguishing characteristics include a bony spike intruding on the mandibular fenestra , nostrils placed very high and far back on the snout, an extremely thin bony bar beneath the eye, and highly pneumatized ...
Citipati was a large-bodied oviraptorid, with the largest individuals being emu-sized animals; it has been estimated at 2.5–2.9 m (8.2–9.5 ft) in length with a weight between 75–110 kg (165–243 lb), [21] [22] [23] and was one of the largest known oviraptorosaurs until the description of Gigantoraptor. [24]
Beibeilong Temporal range: Late Cretaceous (Cenomanian - Coniacian), ~ 96–88 Ma PreꞒ Ꞓ 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 ...