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Echinochimaera : ウィキペディア英語版 | Echinochimaera
''Echinochimaera'' is an extinct genus of fish, it was assigned to the order chimaera by Jack Sepkoski in 2002.〔 The genus' name derives from the Greek ''εχινό'' (''echino'') meaning spiny, and chimaera. ==Species== The two known ''Echinochimaera'' species lived in the Upper Mississippian (Serpukhovian).〔(【引用サイトリンク】title=University of Montana Paleontology Center )〕 Fossils of the species were found in the Bear Gulch Limestone in Montana, United States. Both species have rounded bodies and paddle-like tails as well as large pectoral fins, two dorsal fins and a jaw fused to the braincase.〔(【引用サイトリンク】title=Search for Ancient Sharks )〕 The paddle-like tails indicate that ''E. meltoni'' was likely not a predator nor a fast swimmer.〔(【引用サイトリンク】title=Fossil Fishes of Bear Gulch - Echinochimaera meltoni )〕
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「Echinochimaera」の詳細全文を読む
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