![]() ![]() Giganotosaurus is thought to have been the apex predator of its ecosystem, and it may have fed on juvenile sauropod dinosaurs. Stress when a bite was delivered against prey. It would have beenĬapable of closing its jaws quickly, capturing and bringing down prey byĭelivering powerful bites. Maximal running speed of 14 m/s (50 km/h 31 mph). It may have been relatively fast moving, with a calculated Giganotosaurus is thought to have been homeothermic (a type of "warm-bloodedness"), with a metabolismīetween that of a mammal and a reptile, which would have enabled fast Includes other very large theropods, such as the closely related Mapusaurus and Carcharodontosaurus. Is one of the most completely known members of the group, which Part of the family Carcharodontosauridae, Giganotosaurus The neck was strong and the pectoral girdle proportionally small. The teeth wereĬompressed sideways and had serrations. The front of the lower jaw was flattened, and had aĭownwards projecting process (or "chin") at the tip. The skull was low, with rugose (rough and wrinkled) nasal bones and a ridge-like crest on the lacrimal bone Others have found them to be roughly equal in size, and the largest sizeĮstimates for Giganotosaurus exaggerated. Which has historically been considered the largest theropod, while ![]() Researchers have found the animal to be larger than Tyrannosaurus, Individual has been used to extrapolate a length of 13.2 m (43 ft). The dentary bone that belonged to a supposedly larger Range from a length of 12 to 13 m (39 to 43 ft), a skull 1.53 to 1.80 m ![]() Giganotosaurus was one of the largest known terrestrial carnivores,īut the exact size has been hard to determine due to the incompleteness Part of a scientific debate about the maximum sizes of theropod The genus attracted much interest and became A dentary bone,Ī tooth and some tracks, discovered before the holotype, were laterĪssigned to this animal. Lizard" and the specific name honors the discoverer, Rubén D. The animal was named Giganotosaurus carolinii in 1995 the genus name translates as "giant southern The holotype specimen was discovered in the Candeleros Formation of Patagonia in 1993, and is almost 70% complete. ![]() Giganotosaurus is a genus of theropod dinosaur that lived in what is now Argentina, during the early Cenomanian age of the Late Cretaceous period, approximately 98 to 97 million years ago. ![]()
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