Creosaurus trigonodon Dinosaur: Creosaurus trigonodon Period Details Status: S > Allosaurus trihedrodon Author: Osborn Year: 1931 Distribution Classification Sources References: Osborn, (1931). Cope: Master Naturalist. ________________________ Please Support the Dinosaur Database: Facebook Twitter LinkedIn Tumblr VKontakte Odnoklassniki Pocket Skype Messenger Messenger WhatsApp Telegram Viber Line Share via Email
