It is home to many marine animals we know today, and many others whose existence we have no idea about. Alan Weir / Flickr / CC BY 2.0. 6. Pristine fossils recently unearthed in southeastern Morocco have been identified as the remains of a bizarre sea creature that -- with a body that spanned about seven feet -- was once the largest animal on Earth. 10 terrifying prehistoric sea monsters the largest creatures ever creature spotted off the b c coast This Ancient Reptile Was One Of The Most Mive Creatures ThatWhat Is The Biggest Animal Ever To Exist On Earth HowstuffworksWhat Are The Largest Prehistoric Animals SporcleThe Record Setting Anatomy Of Blue Whale A Look Inside11 Facts About Blue… Read More » Beneath the surface there is an unknowable vastness, where so much happens and at the same time it … It's not only the largest sea animal, it is the largest animal ever to have lived. झारखंड राज्य का आकर किसके समान है ? 4. The following 10 questions are based on the row and column of the table. The blue whale. The sea is the origin of all creatures that inhabit planet Earth. It is also the largest animal in the world. The largest land animal is currently the African elephant, but the largest land animal ever was Argentinosaurus, a sauropod dinosaur. Which is the largest ocean in the world ? One of these common water body types is a sea, a large lake-type water body that has saltwater and is sometimes attached to an ocean. By Jacqueline Howard. Direction: Below is given a table which contains five rows and five columns. 5. Largest Sea. However, a sea does not have to be connected to an ocean outlet; the world has many inland seas, such as the Caspian. The following is a list of the Earth's 10 largest seas based on area. While the blue whale is the overall-largest king of the sea, the lion's mane jellyfish goes to the top of the list for being the longest. This Prehistoric Sea Creature Was Once The Largest Animal On Earth. The largest sea animal is the the Blue Whale it can grow to 110 feet in length, weighing in at 209 tones!