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Gigantoraptor size (holotype) compared to a 1.8-metre-tall (5.9 ft) human. Gigantoraptor is the largest known oviraptorosaur for which skeletal material is available.
Utahraptor was one of, if not the largest and heaviest of all dromaeosaurids, with the largest assigned specimen BYUVP 15465 having a femoral length of 56.5–60 cm (22.2–23.6 in). [8] [9] Utahraptor is estimated to have reached 6–7 metres (20–23 ft) in length and somewhat less than 500 kg (1,100 lb), comparable in weight to a polar bear.
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.
Size of two specimens compared to a human. South American megaraptorids were generally very large, exceeding 7 m (23 ft) in length and 1 t (1,000 kg) in mass. [6] The holotype of Megaraptor was estimated by Fernando Novas to measure around 8 m (26 ft) in length. [1]
Size of this PNG preview of this SVG file: 540 × 480 pixels. ... English: A chart showing the approximate size of the dromaeosaurid Utahraptor compared to a human.
Oviraptor (/ ˈ oʊ v ɪ r æ p t ər /; lit. ' egg thief ') is a genus of oviraptorid dinosaur that lived in Asia during the Late Cretaceous period. The first remains were collected from the Djadokhta Formation of Mongolia in 1923 during a paleontological expedition led by Roy Chapman Andrews, and in the following year the genus and type species Oviraptor philoceratops were named by Henry ...
The tiny jaws of Caenagnathasia suggest a small animal, perhaps the size of a turkey. Anzu wyliei , from the Hell Creek Formation is a much larger animal, considerably larger than a human. 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 ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 7 January 2025. Extinct clade of dinosaurs Eudromaeosaurs Temporal range: Early Cretaceous – Late Cretaceous, 143–66 Ma PreꞒ Ꞓ O S D C P T J K Pg N Possible Kimmeridgian record Eudromaeosauria diversity, featuring from top left to lower right: Utahraptor, Deinonychus, Velociraptor and Bambiraptor ...