Héctor Montes
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Spinosaurus is the largest of all known carnivorous dinosaurs, larger than Tyrannosaurus and Giganotosaurus. Estimates published in 2005 and 2007 suggest that it was 12.6 to 18 metres (41 to 59 ft) in length and 7 to 20.9 tonnes (7.7 to 23.0 short tons) in weight.

Spinosaurus is the largest of all known carnivorous dinosaurs, larger than Tyrannosaurus and Giganotosaurus. Estimates published in 2005 and 2007 suggest that it was to 18 metres to 59 ft) in length and 7 to tonnes to short tons) i