Stegoceras formosum Dinosaur: Stegoceras formosum Period Details Status: S > Troodon formosus Author: Olshevsky Year: 1991 Distribution Classification Sources References: Mortimer - Theropod database (online). ________________________ If you are interested in Excel Professional version of Dinosaur or Pterosaur Database, write to us Facebook Twitter LinkedIn Tumblr VKontakte Odnoklassniki Pocket Skype Messenger Messenger WhatsApp Telegram Viber Line Share via Email