(i) Body Fossils: Fossils of bodies and body parts of dinosaurs have been found in petrified or sedimentary rock layers. By examining these fossils, it has been confirmed that dinosaurs existed on earth.
(ii) Skeletal Fossils: Bones, skeletons and hard parts found in rock layers have been proved to be dinosaur fossils.
(iii) Fossils in sediments: The existence of dinosaurs has been confirmed from fossils of eggshells and faeces found in rock strata.
(iv) Footprints: Evidence of the existence of dinosaurs has been found by examining the footprints found on the bedrock by carbon radiation.