Thescelosaurus, claw Compsognathus reached a maximum length of

reached a maximum length of 23 meters (75 ft) and maximum estimated weight of 47 tons (51

The long tail may have served for balance

The Archaeonycteris species flew at moderate altitudes and speed

Fossil Megalodon teeth are relatively common in some areas of the world

Thescelosaurus, claw Compsognathus reached a maximum length ofThescelosaurus (pronounced THES ke loh SAWR us) (meaning "Marvelous lizard") was a bipedal, plant eating dinosaur whose fossilized, four chambered heart was found, perhaps indicating that it was warm blooded. It dates from the late Cretaceous period, about 77 to 65 million years ago. It had a small head, a bulky body, a long, pointed tail and short arms. It was a thescelosaurid or hypsilophodontid, and an ornithischian dinosaur about 12 feet (3. 5 m)