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The term raptor is derived from the Latin word rapio, meaning "to seize or take by force". [8] The common names for various birds of prey are based on structure, but many of the traditional names do not reflect the evolutionary relationships between the groups. [citation needed] Variations in shape and size
Megaraptor (lit. ' large thief ') is a genus of large theropod dinosaur that lived during the Turonian and Coniacian ages of the Late Cretaceous.Its fossils have been discovered in the Patagonian Portezuelo Formation of Argentina, South America.
Size comparison of megaraptorids. Megaraptorans were medium to large-sized theropods, ranging from Fukuiraptor, which was about 4.2 meters (13.8 feet) in length, to the 9 meter (30 feet) long Aerosteon, the 9 to 10 meter (30 to 33 feet) long Maip [5] and the 12.8 meter (42 foot) long Bahariasaurus, if it is a member. [9]
The latest study highlights the role played by Australia’s dinosaurs in the ecosystems of the ancient world, a large part of which was clustered into the giant supercontinent Gondwanaland. These ...
It is known from the Iren Dabasu Formation of Inner Mongolia, where the first remains were found in 2005. Gigantoraptor was the largest-known oviraptorosaur, reaching 8 metres (26 ft) in length and 2 metric tons (2.2 short tons) in body mass. It had an extensively pneumatized vertebral column and elongated arms and legs.
List of largest cities by area Notes ^ For urban/metropolitan areas that have more than one core city , the figure for their city proper should use either the most populous one (e.g. Dallas for Dallas–Fort Worth metroplex ) or the best-known one (e.g. Manila for Metro Manila , instead of Quezon City ).
The fossil remains of this raptor, scientifically known as Murusraptor barrosaensis, were discovered in 2000. It took University of Alberta paleontologist Philip Currie and his team until recently ...
The largest dimensions found in this species are an approximate head-to-tail length of 1.44 m (4.7 ft) and a wingspan of 3.65 m (12.0 ft). The largest bird of all time was likely the elephant bird Aepyornis maximus , which was estimated to have weighed 275–1,000 kilograms (610–2,200 lb) and stood at 3 metres (9.8 ft) tall.