black and white dinosaur footstep icon. dino foot imprint line for kids. funny ancient animal footprint

step footprint print footstep foot stamp paw icon black white contour coloring page book line outline clipart vector dinosaur era geology paleontology excavation history archaeology dig soil ground underground museum dino prehistoric animal extinct ancient reptile jurassic period raptor predator character kids children educational isolated background cartoon imprint funny logo font diagram text drawing circle brand number artwork organ sketch iron wheel