Question: What was the biggest dinosaur that lived in the sea?

Ichthyosaurs. The largest ichthyosaur was Shonisaurus sikanniensis at ~21 metres (70 ft) in length. This would make it the largest extinct marine animal.

What was the deadliest sea dinosaur?

This was Predator X (Pliosaurus funkei), the most powerful marine reptile ever discovered. Its skull alone was nearly twice the size of a Tyrannosaurus rex’s, and its bite force unmatched by anything in the Jurassic seas. Presented by John Hurt from BBC’s Earth’s Planet Dinosaur programme.

Which dinosaurs lived in the sea?

There were many aquatic reptiles that lived during the time of the dinosaurs, including plesiosaurs, nothosaurs, and mosasaurs. (pronounced plee-zee-oh-SAWRS) Plesiosaurs (meaning “near lizard”) were flippered marine reptiles from the Mesozoic Era – they were not dinosaurs.

Was the mosasaurus the biggest dinosaur?

That said, the real Mosasaurus was indeed a large animal, with the biggest specimen known estimated to be around 17 meters or 56 feet long (Grigoriev, 2014). This makes it one of the largest, if not the largest, members of the mosasaurid family alongside other big species like the 14 meter North American Tylosaurus.

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What is the biggest sea animal that ever lived?

#1—Blue Whale

Not only is the blue whale the largest animal to live on the Earth today, they are also the largest animal to have ever existed on Earth. A blue whale can grow up to 100 feet long and weigh upwards of 200 tons.

What killed the Megalodon?

Past research suggests that the megalodon (Otodus megalodon) went missing 2.6 million years ago alongside a wave of marine extinction, potentially caused by a supernova that triggered severe climate and biodiversity changes during this time.

Is Megalodon still alive?

But could megalodon still exist? ‘No. It’s definitely not alive in the deep oceans, despite what the Discovery Channel has said in the past,’ notes Emma. ‘If an animal as big as megalodon still lived in the oceans we would know about it.

Are sharks dinosaurs?

Today’s sharks are descended from relatives that swam alongside dinosaurs in prehistoric times. … It lived just after the dinosaurs, 23 million years ago, and only went extinct 2.6 million years ago.

Are any dinosaurs alive today?

Other than birds, however, there is no scientific evidence that any dinosaurs, such as Tyrannosaurus, Velociraptor, Apatosaurus, Stegosaurus, or Triceratops, are still alive. These, and all other non-avian dinosaurs became extinct at least 65 million years ago at the end of the Cretaceous Period.

Did any dinosaurs fly?

Just like the swimming ones, flying dinosaurs were not dinosaurs and were just related to them. They were called Flying Reptiles. The most common type was the Pterosaurs. … The flying dinosaurs were a lot like birds- they had beaks and hollow bones.

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Can a mosasaurus kill a Megalodon?

While a similar length, the Megalodon had a much more robust body and huge jaws built for devouring whales and other large marine mammals. A Mosasaurus would not have been able to get its jaws around the much thicker body of the Megalodon. It would just take one catastrophic bite for the Megalodon to end the battle.

Is mosasaurus bigger than T Rex?

The Mosasaur Size Chart says that Mosasaurus is the largest mosasaur (like how I think), and compared to the T-Rex size, Mosasaurus is definitely bigger than both I-Rex and T-Rex. … I think that it reached 16-18 meters (That’s about 55-60 feet, bigger than Spinosaurus, I-Rex, and T-Rex.)

Are mosasaurus dinosaurs?

Mosasaurs ARE NOT DINOSAURS. They are reptiles and are closely related to snakes and monitor lizards. Mosasaurs went extinct at the end of the Cretaceous during the end Cretaceous mass extinction event. The Tylosaurus mosasaur shown on the Jurassic Park movie was the largest mosasaur to exist.

What is the most dangerous animal in the ocean?

The Most Dangerous Ocean Creatures

  • Box Jellyfish. A Box Jellyfish, seen from the safety of tempered aquarium glass. …
  • Blue-Ringed Octopus. A Blue-Ringed Octopus in Lembeh Strait, Sulawesi, Indonesia. …
  • Stingrays. …
  • Beaked Sea Snake. …
  • Crocodiles. …
  • Great White Shark.

20 янв. 2019 г.

Is Blue Whale bigger than Megalodon?

When it comes to size, the blue whale dwarfs even the largest megalodon estimates. It’s believed blue whales can reach a maximum length of 110 feet (34 meters) and weigh up to 200 tons (400,000 pounds!).

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Is any animal bigger than the blue whale?

While there might never be a larger animal than the blue whale, there are other kinds of organism that dwarf it. The largest of them all, dubbed the “humongous fungus”, is a honey mushroom (Armillaria ostoyae).

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