Tyrannosaurus imperiosus Dinosaur: Tyrannosaurus imperiosus Period Details Status: S > Tyrannosaurus rex Author: Swinton Year: 1970 Distribution Classification Sources References: Swinton, (1970). The Dinosaurs. ________________________ Please Support the Dinosaur Database: Facebook Twitter LinkedIn Tumblr VKontakte Odnoklassniki Pocket Skype Messenger Messenger WhatsApp Telegram Viber Line Share via Email
