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It may have grown rapidly, attaining a growth rate of 30 to 35 kg (66 to 77 lb) per year early in life. The holotype specimen had multiple paleopathologies, including healed injuries and signs of a developmental anomaly. Dilophosaurus is known from the Kayenta Formation, and lived alongside dinosaurs such as Scutellosaurus and Sarahsaurus.
In both the novel and its film adaptation, a Dilophosaurus uses its venom on the character Dennis Nedry before killing him. [154] The animatronic was nicknamed "Spitter" by Winston's team. A paintball mechanism was used to spit the venom, which was a mixture of methyl cellulose, K-Y Jelly, and purple food coloring.
The life-sized animatronic Tyrannosaurus rex on the set. It is the largest sculpture ever made by Stan Winston Studio. [72] Despite the film title's referencing the Jurassic period, Brachiosaurus and Dilophosaurus are the only dinosaurs featured that lived during that time; the other species featured did not exist until the Cretaceous period. [73]
[1] [2] They are often distinguished from poisonous animals, which instead passively deliver their toxins (called poison) to their victims upon contact such as through inhalation, absorption through the skin, or after being ingested. [1] [2] [3] The only difference between venomous animals and poisonous animals is how they deliver the toxins. [3]
The spitting cobra can squirt venom from forward-facing holes in its fangs. [4] It aims for its victim's eyes, spitting up to 1.5 m. The venom may cause blindness. The Mangshan pitviper is also reported to spit venom.
Dilophosaurus is a featured article; it (or a previous version of it) has been identified as one of the best articles produced by the Wikipedia community. Even so, if you can update or improve it, please do so. This article appeared on Wikipedia's Main Page as Today's featured article on June 22, 2018.
Dilophosaurus was one of the earliest large predatory dinosaurs, living in what is now North America during the Early Jurassic, about 193 million years ago. The genus name means "two-crested lizard". It was smaller than some later theropods, about 7 meters (23 ft) in length, with a weight of about 400 kilograms (880 lb). It had a pair of plate ...
Nedry's role in the film is generally the same as in the novel, with some minor changes to his fate. He crashes his Jeep through a guardrail and runs off the road, then takes shelter in the vehicle after a Dilophosaurus spits venom in his eyes, dropping the shaving cream container as he does so. The animal rears up in the passenger seat, after ...