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: ''Ctenacodon'' is a genus of extinct mammal that lived in what is now North America during the Upper Jurassic period. It's a member of the family Allodontidae within the order Multituberculata. ''Ctenacodon'',also known as ''Allodon'' (Marsh 1881), was named by Othniel Charles Marsh in 1879. At least three species are currently recognized. Present in stratigraphic zone 5.〔 Remains possibly referrable to ''Ctenacodon'' have been recovered from stratigraphic zone 2.〔Foster, J. (2007). "Appendix." ''Jurassic West: The Dinosaurs of the Morrison Formation and Their World''. Indiana University Press. pp. 327-329.〕 ==Species== The species ''Ctenacodon laticeps'' was named by Marsh in 1881 and Simpson G.G. in 1927. It has also been known as ''Allodon laticeps'' (Marsh 1881). Remains were found in the Upper Jurassic strata of the Morrison Formation in Wyoming (USA). The holotype, collected by Reed W.H. in 1880, is in the Peabody Museum of Natural History at Yale University. The species ''Ctenacodon scindens'' was named by Simpson G.G. in 1928. Remains were found in Jurassic strata of the Morrison Formation of Wyoming. This species was originally assigned to ''C. serratus''. The species ''Ctenacodon serratus'', also named by Marsh in 1879, is also known from the Morrison Formation. 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「Ctenacodon」の詳細全文を読む スポンサード リンク
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