Ray Harryhausen is famous for his stop motion animations in classic like Clash of the Titans, Sinbad etc
Here we have Animal World, a 1956 documentary film that was produced, written and directed by Irwin Allen. The film includes live-action footage of animals throughout the world, along with a ten-minute stop motion animated sequence about dinosaurs created by Ray Harryhausen.
This is an abridged version on a 1600ft 16mm reels, but includes the Harryhausen animation. Its is one of only 2 films made in collaboration with Irwin Allen
More screenshots are available on our Ebay listing for the auction of this rare 16mm film :
https://www.ebay.co.uk/itm/284232411805