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''Prostacheoceras'' is genus of ammonoid cephalopod belonging to the Vidrioceratidae family. Speies belonging to this genus lived in early to middle Permian. ==Species and distribution== 〔(【引用サイトリンク】 title=Goniat database )〕 * ''Prostacheoceras alter'' Leonova, 1989: Artinskian - Roadian of Tajikistan and Thailand * ''Prostacheoceras benedictinum'' Gemmellaro, 1887: Wordian of Italy * ''Prostacheoceras burnense'' Tumanskaia, 1931: Roadian of Russia (Crimea) * ''Prostacheoceras chinense'' Wang, 1983: Asselian - Wordian of China (Xinjiang). Nomen nudum, as it is based only on fragmentary specimen. Unsure age assignment. * ''Prostacheoceras darvasicum'' Leonova, 1992: Kungurian of Tajikistan * ''Prostacheoceras dentatum'' Ruzhentsev, 1938: synonym of ''P. juresanense'' * ''Prostacheoceras geminum'' Ruzhentsev, 1938: synonym of ''P. juresanense'' * ''Prostacheoceras juresanense'' Maksimova, 1935: Asselian of Kazakhstan (South Urals), Russia (South Urals) * ''Prostacheoceras langi'' Termier & Termier, 1970: Artinskian - Kungurian of Afghanistan and China (Xinjiang) * ''Prostacheoceras longilobatum'' Liang, 1982: Wordian of China (Jilin) * ''Prostacheoceras multidentatum'' Tumanskaia, 1931: Roadian of Russia (Crimea). Nomen nudum. * ''Prostacheoceras oschense'' Tumanskaia, 1938: Roadian - Wordian of Tajikistan * ''Prostacheoceras principale'' Bogoslovskaia & Popov, 1986: Asselian of Kazakhstan (South Urals) * ''Prostacheoceras saundersi'' Nassichuk, 1977: Wordian of Canada (British Columbia) * ''Prostacheoceras shaoyangense'' Zhou, 1987: Wordian - Capitanian of China (Hunan) * ''Prostacheoceras skinneri'' Miller, 1945: Kungurian of Malaysia and USA (Texas) * ''Prostacheoceras strictum'' Bogoslovskaia, 1978: Asselian of Tajikistan * ''Prostacheoceras tauricum'' Tumanskaia, 1917: Roadian of Russia (Crimea) 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「Prostacheoceras」の詳細全文を読む スポンサード リンク
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