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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. . 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 ...
Oviraptorosaurs ("egg thief lizards") are a group of feathered maniraptoran dinosaurs from the Cretaceous Period of what are now Asia and North America. 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 ...
Beibeilong. Beibeilong ( Chinese: 贝贝龙, transl. baby dragon) is a genus of large caenagnathid dinosaurs that lived in China during the Late Cretaceous epoch, about 96 million to 88 million years ago. The genus contains a single species, Beibeilong sinensis. The species was named and described in 2017 through analysis of an embryonic ...
Macroelongatoolithus eggs are most notable for their large size. They are at least 34 centimetres (13 in) long, but the largest specimens are over 60 centimetres (24 in) long. [6][4][7] They are also very elongated, usually roughly three times longer than they are wide. They are often found in large clutches of up to 26 eggs, with the eggs ...
Caenagnathidae is a family of derived caenagnathoid dinosaurs from the Cretaceous of North America and Asia. They are a member of the Oviraptorosauria, and relatives of the Oviraptoridae. [2] Like other oviraptorosaurs, caenagnathids had specialized beaks, [3] long necks, [4] and short tails, [5] and would have been covered in feathers.
Oviraptoridae is a group of bird-like, herbivorous and omnivorous maniraptoran dinosaurs. Oviraptorids are characterized by their toothless, parrot-like beaks and, in some cases, elaborate crests. They were generally small, measuring between one and two metres long in most cases, though some possible oviraptorids were enormous.
Caenagnathoidea ("recent jaw forms") is a group of advanced oviraptorosaurian dinosaurs from the Cretaceous Period of what are now Asia and North America. They are distinct for their characteristically short, beaked, parrot-like skulls, often with bony crests atop the head. They ranged in size from Caudipteryx, which was the size of a turkey ...
The center of the crater is near Chicxulub Puerto. Stela in the main square of Chicxulub Puerto commemorating the impact Before the impact, the geology of the Yucatán area , sometimes referred to as the "target rocks", consisted of a sequence of mainly Cretaceous limestones, overlying red beds of uncertain age above an unconformity with the ...