Ornithostoma

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1	PDF Document Add to Reading List Source URL: www.scielo.br Language: English - Date: 2010-11-10 08:49:00 Phanerozoic Geosternbergia Dawndraco Niobrara Formation Nyctosaurus Pterosaur Nyctosauridae Ornithostoma Campanian Mesozoic Herpetology Pteranodon
2	PDF Document Add to Reading List Source URL: books.nap.edu Language: English - Date: 2010-07-06 07:30:38 Samuel Wendell Williston Pteranodon Niobrara Formation Ichthyornis Samuel Williston Edward Drinker Cope Platecarpus Nyctosaurus Ornithostoma Herpetology Mosasaurs Mesozoic