Troodon

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Dinosaurs

Troodontids likely had the largest brain-to-body size ratio of any known non-avian dinosaur. elaborate share

Oxalaia

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Dinosaurs

Oxalaia quilombensis, a spinosaurid dinosaur, is one of the largest known predatory dinosaurs from South America. elaborate share

Gigantoraptor

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Dinosaurs

Gigantoraptor, despite its name, wasn't actually a raptor; it was an oviraptorosaur, a group of feathered dinosaurs more closely related to birds. elaborate share

Irritator

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Dinosaurs

Irritator's skull was deliberately altered by fossil hunters who tried to make it more marketable, filing down parts of it before it was studied scientifically. elaborate share

Alamosaurus

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Dinosaurs

Alamosaurus, despite its massive size, is believed to have been a relatively fast-growing sauropod. elaborate share

Dimorphodon

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Dinosaurs

Dimorphodon's name means "two-form tooth," referring to the two distinct types of teeth it possessed. elaborate share