The Philadelphia International Airport is the 9th busiest airport in the world. The Philadelphia Marketplace Food, Shops and services at the airport have a mind-boggling number of eateries, retail stores that sell everything that one can think of, and a number of newsstands.
(See a gallery of plesiosaur and pliosaur pictures.) Plesiosaurs (Greek for almost lizards) were large, long-necked, four-flippered marine reptiles that paddled their way through the oceans, lakes, rivers and swamps of the Jurassic and Cretaceous periods.
The is no such thing as a sea dinosaur! They are known as marine reptiles. But if your asking for the biggest it is Shonisaurus the giant icthyosaur or 'Fish reptile'. The largest plesiosaur is Elasmosaurus. The largest Pliosaur is Kronosaurus. Shonisaurus grew up to 15m long. Elasmosaurus grew up to 14m long.