Board Thread:Off-Topic Discussion/@comment-38333583-20190515060601/@comment-37383507-20190710075623

A grandpa is driving in a prehistoric valley. He see 10 Diplocalus, 20 gallimumus, 10 Allosaurus, 5 Tyranosaurus, 5 Triceratops, 10 Brachiosaurus, 30 Parasaurolophus, 10 Copmsognathus. How many Prehistoric creatures are there?