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Murchisoniceras : ウィキペディア英語版 | Murchisoniceras
''Murchisoniceras'' is an extinct genus of cephalopod Nautiloid, that lived during the Silurian from 425—416 mya, in what would be Europe, existing for approximately .〔(''Murchisoniceras'', basic info )〕 ==Taxonomy== ''Murchisoniceras'' was named by Babin in 1966 〔(Nomen Zool genera )〕 and is commonly assigned to the Orthocerida;〔( Sepkoski's list of Cephalopod genera, online results )〕 sometimes as ''Insertae sedis''〔(''Murchizoniceras'' in Biolib )〕 Ivan Kolebaba, 2002,〔Ivan Kolebaba, A Contribution to the theory of the cameral mantle in some Silurian Nautiloidea (Mollusca, Cephalopoda). Bulletin of the Czech Geological Survey, Vol 77, NO 3, 1830186, 2002.()〕 included ''Murchisoniceras'' in the Palliocerida, an order of orthoconic nautiloids established by Marek, 1998, for those with incomplete connecting rings and suggestions of cameral mantle, along with other similar genera.
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