“Utahraptor spielbergi” Dinosaur: "Utahraptor spielbergi" Period Details Status: nomen nudum > Utahraptor ostrommaysorum Autor: Bonar et al. Year: 1993 Classification Other 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