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''Arctomeekoceras'' is a genus from the ammonoid order Ceratitida from the Early Triassic, included in the Meekoceratidae; a family characterized by more of less involute, compressed, discoidal forms that are smooth or weakly ornamented and have a ceratitic suture with broad saddles. Arctomeekoceras lived from about 250 to about 245 m.y.a and has been found in arctic Canada (Nunavut) in the Blind Fiord Formation associated with ''Neomeekoceras'', ''Olenikites'', and ''Pseudosageceras''; and in far northern Siberia, Russian Federation, associated with ''Boreomeekoceras'', ''Pseudosageceras'', ''Olenikites'', ''Keyserlingites'', ''Sibirites'', ''Nordophiceras'', ''Olenekoceras'', and ''Subolenekites'' ==''References''== * Arkell, ''et al''. Mesozoic Ammonoidea; Treatise on Invertebrate Paleontology, Part L, Ammonoidea. Geol Soc of America and Univ Kansas press, 1957, R. C. Moore (ed) *( Arctomeekoceas - Paleobiology. ) *Axel Heiberg Island Paleofauna. () *Mengilyakh Creek Paleofauna () 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「Arctomeekoceras」の詳細全文を読む スポンサード リンク
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