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 biggest water dinosaur?
The ancient remains of a gigantic marine reptile have been found in southwestern England. Known as an ichthyosaur, the animal lived about 205 million years ago and was up to 85 feet long—almost as big as a blue whale, say the authors of a study describing the fossil published today in PLOS ONE.
What is the biggest sea creature 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.
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.
What was the most dangerous aquatic 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.
What was the smartest dinosaur?
Troodon was a meat-eater the size of a man, with a brain as big as an avocado pit. It was not only the smartest dinosaur, but the smartest animal of dinosaur times, including our ancestors — the mammals of the Mesozoic Era.
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.
What was bigger than the 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!).
Is any animal bigger than the blue whale?
But now, a newly discovered ichthyosaur could give this normal-looking reptile a claim to fame as the largest animal that ever existed. If size estimates are accurate, this creature could have measured up to 26 meters (85 feet) long — for comparison, blue whales top out around 25 meters (82 feet).
What’s bigger than a 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).
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.)
Who found the first mosasaurus?
1810s. Mitchell reported the discovery of mosasaur fossils in the Navesink Formation of New Jersey. These were the first North American mosasaur remains to be documented in the scientific literature.
What animal could kill a Megalodon?
A new study has once again confirmed that this is not the case. Taking a fresh look at the fossil record, researchers are now proposing that this mega marine creature may have been killed off by none other than the modern great white shark (Carcharodon carcharias).
What is the scariest extinct animal?
Top 11 Scariest Prehistoric Animals
- Smilodon. …
- Livyatan melvillei. …
- Spinosaurus. …
- Sarcosuchus. …
- Titanoboa. …
- Giganotosaurus. Giganotosaurus was 43 feet long and larger than the size of Tyrannosaurus rex, but only by 3 feet. …
- Megalodon. This 59 foot long shark lived and hunted in the same waters as Livyatan melvillei. …
- Jaekelopterus. Three words, Giant Sea Scorpion.
Are Megalodons still alive?
We know that megalodon had become extinct by the end of the Pliocene (2.6 million years ago), when the planet entered a phase of global cooling. Precisely when the last megalodon died is not known, but new evidence suggests that it was at least 3.6 million years ago.