What are some aquatic dinosaur names?

ok. lets put it together here: dinosaur.

aquatic.

do you know what a dinosaur is? good. you should have answered yes.

aquatic. AQUA.

??Aquafina? what is aquafina? YES YOU'RE RIGHT! it's waaaater.

water.

dinosaur.

put it together.

(a dinosaur that lives in the water)