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No dinosaurs lived in the ocean. However, there were some large marine reptiles during the Mesozoic. The longest known was Shastasaurus sikkanniensis, a 69 foot long icthyosaur, or fish-like reptile. There were also mosasaurs, which were huge marine lizards, the longest of which was Hainosaurus, at 57 feet long. One of the longest plesiosaurs was Elasmosaurus, at 49 feet.
Basilosaurus cetoides, a huge pre historic marine mammal is thought to be the biggest sea creature ever. It measured 40-65 feet.
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What is the biggest dinosaur what is the biggest dinosaur?
Bruhathkayosaurus ?44 m 144 ftTitanosaur
What was the biggest flesh eating dinosaur?
Spinosaurus is the biggest flesh eating dinosaur.
Why was the megalodon king of the ocean?
Because it was the biggest fish/dinosaur to be on the planet earth, and cause it was the most terrifying and fierce on the earth.
Was T-Rex the biggest dinosaur ever?
No. The biggest dinosaur would be the titanosaur argentinosaur huinculensis.
What was the biggest dinosaur in the Jurassic?
The biggest dinosaur in the Jurassic period were the gigantic sauropods like the famous Diplodocus.
What is the name of the biggest hervivorous dinosaur and has a long neck?
Argentinosaurus was the biggest hervivorous dinosaur that has a long neck.
What is the biggest dinosaur tooth?
The single biggest tooth? Or the genus of dinosaur that would likely have had the biggest teeth? If the latter, probably Carcharodontosaurus or Giganotosaurus.
Who is the biggest dinosoar?
The t-rex Is The Biggest Dinosaur
What is the biggest crocodile dinosaur?
it is the crocidile
What is the name of the biggest dinosaur?
setsmosaurus
What is the biggest dinosaur live?
argentnasauraus
What was the biggest carnivourus dinosaur?
The gigonotosuaras
