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''Orodus'' is an extinct genus of cartilaginous fish that lived from the late Pennsylvanian to the early Permian in what is now North America. Growing up to 2 m (7 ft) in length, it was quite large for sharks of its time. ==Sources== * ''Wildlife of Gondwana: Dinosaurs and Other Vertebrates from the Ancient Supercontinent'' (Life of the Past) by Pat Vickers Rich, Thomas Hewitt Rich, Francesco Coffa, and Steven Morton * ''Biology of Sharks and Their Relatives'' (Marine Biology) by Jeffrey C. Carrier, John A. Musick, and Michael R. Heithaus * ''Kansas Geology: An Introduction to Landscapes, Rocks, Minerals, and Fossils'' by Rex Buchanan * ''Major Events in Early Vertebrate Evolution'' (Systematics Association Special Volume) by Per Erik Ahlberg 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Orodus」の詳細全文を読む スポンサード リンク
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