Dinosaur King

Dinosaur King is an arcade game created by Sega that received an anime adaptation which aired for two seasons from 2007 to 2008.

The story follows Max Taylor, the son of a paleontologist who loves dinosaurs and witnesses a meteor fall from the sky early one morning. After heading into the forest where the meteor crashed with his friends Rex and Zoe, they find three fossil shaped stones as well as a card with a picture of a Triceratops that is accidentally activated to release a dinosaur when Max rubs the card on the stone. Soon enough, the trio find themselves involved in a quest to save dinosaurs from a mysterious time traveling organization known as The Alpha Gang, as whichever group gathers all the cards first will become the Dinosaur King.