Above you see a short animated film that shows the comparitive size of dinosaurs to man. This is very handy for research purposes, or for choosing the right sized toy dinosaur for your action figures to battle. This is Marching Dinosaurs.

If we are to believe the YouTube description, in order you will see: Shuvuuia, Sinosauropteryx, Compsognathus, Microraptor, Caudipteryx, Microceratus, Hypsilophodon, Ornitholestes, Masiakasaurus, Psittacosaurus, Velociraptor, Laeallynasaura, Stegoceras, Troodon, Oviraptor, Protoceratops, Dromaeosaurus, Stygimoloch, Coelophysis, Dracorex, Dryosaurus, Deinonychus, Scelidosaurus, Herrerasaurus, Ornithomimus, Kentrosaurus, Gigantspinosaurus, Pachycephalosaurus, Dilophosaurus, Gastonia, Concavenator, Utahraptor, Euoplocephalus, Sauropelta, Miragaia, Chasmosaurus, Magyarosaurus, Einiosaurus, Camptosaurus, Diabloceratops, Styracosaurus, Cryolophosaurus, Tuojiangosaurus, Ceratosaurus, Edmontonia, Plateosaurus, Ankylosaurus, Baryonyx, Wuerhosaurus, Gallimimus, Neovenator, Pachyrhinosaurus, Carnotaurus, Ichthyovenator, Maiasaura, Iguanodon, Dacentrurus, Gigantoraptor, Gorgosaurus, Melanorosaurus, Majungasaurus, Ouranosaurus, Stegosaurus, Olorotitan, Triceratops, Deinocheirus, Corythosaurus, Amargasaurus, Allosaurus, Parasaurolophus, Therizinosaurus, Albertosaurus, Suchomimus, Edmontosaurus, Saurophaganax, Acrocanthosaurus, Lambeosaurus, Tyrannosaurus, Carcharodontosaurus, Giganotosaurus, Shantungosaurus, Spinosaurus, Cetiosaurus, Diplodocus, Camarasaurus, Apatosaurus, Giraffatitan, Alamosaurus, Dreadnoughtus, Brachiosaurus, Sauroposeidon, Mamenchisaurus, Puertasaurus, Argentinosaurus.

This is the work of Dane Pavitt, who has done other illustrations and animated films comparing the size of dinosaurs from different eras, as well as their size in relation to Kaiju and Voltron-like giant robots.