Dinosaurs
Read MoreDilophosaurus. Arizona Natural History Museum.
Dilophosaurus; is a genus of theropod dinosaur from the Sinemurian stage of the Early Jurassic Period, about 193 million years ago. The first specimens were described in 1954, but it was not until over a decade later that the genus received its current name. Dilophosaurus has appeared several times in popular culture, such as in the 1993 film Jurassic Park. Dilophosaurus measured around 23 ft long and may have weighed 500 to 1,100 to 2,200 lb. The most distinctive characteristic of Dilophosaurus is the pair of rounded crests on its skull, made up of extensions of the nasal and lacrimal bones. These are considered to be too delicate for anything but display purposes.
Dilophosaurus_ANHM130904 © Don Tibbits
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