Lois Weber was an important early American film-maker who pushed the boundaries of film-making so she could better tell the stories she wanted to tell. Several of her early silent films are on youtube: Suspense (1913; ~10 minutes) (she directs herself, experiments with the split-screen view and unusual and effective camera angles including shots from above and using the car's side mirror); Hypocrites (1915; ~4 minutes) (featuring dual roles, nudity, and a strong use of techniques like multiple exposures and complex editing - as well as a strong moral message); and Where Are My Children (1916, ~1 hour, 10 minutes) (a complex and controversial film even then about birth control (pro) and abortion (anti)). [more inside]
Put some fairy dust on the bastard! An unknown studio engineer made a huge contribution to the world when he recorded this juvenile squabble among the members of a British Invasion band. Their bickering about the drum sound in the follow-up to their hit single "With A Girl Like You" inspired "This Is Spinal Tap."
When your list of "dinosaur movies" can include "Wizard of Oz", maybe you've gone too far. These people make a distinction between “Live-action with people dressed as dinosaurs and/or mechanical dinosaurs” and “Live action with lizards dressed as dinosaurs or prehistoric animals”. That’s beyond thorough. But for basic information even potentially remotely related to dinosaurs and/or movies, I can’t imagine a better starting point.