Marco is a Megaraptor who is an old friend of Mr. Pteranodon.  Marco has a friendly rivalry with Mr. Pteranodon when they went to fishing camp.  They both were entered into the Big Misty Sea Fishing Contest.  His style is to stand on rocks in the middle of the river and catch the fish as they jump out of water.  Unfortunately he fell into the river and washed out to sea.  He, Mr. Pteranodon and the old Spinosaurus caught Chester and tied the fishing contest.
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