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''Neoglaphyrites'' is a gonititid ammonite that lived during the latest Pennsylvanian and early Permian. Its shell is ellipsoidal and moderately involute; the umbilicus deep and typically less than 15 per cent of the shell diameter but in some species closer to 20 per cent. Delicate growth lines forming ventral and lateral sinuses and ventrolateral and dorsolateral salients have been foundon Canadian Arctic specimens. The suture is characterized by the ventral lobe split into two broad prongs that are separated by a high median ventral saddle; prongs closely approximate the width of the first lateral lobe. The first lateral saddle is evenly rounded and is nearly symmetrical. The umbilical lobe is V-shaped and internal lobes are deep and narrow. General consensus is that ''Neoglaphyrites'' belongs in the Bisatoceratidae, although this has not always been the case. Miller ''et al'' 1957, in the Treatise on Invertebrate Paleontology, placed ''Neoglaphyrites'' in the Neoicoceratidae as a synonym for ''Eoasianites''. Saunders 1999 is uncertain which family to include Neoglaphyrites in, but includes it in the Somoholotaceae. ==References== * ''Neoglaphyrites'' entry in (GONIAT Online ) 6/14/12 *W. B. Saunders, D. M. Work, & S. V. Nikolaeva, 1999. Evolution of Complexity in Paleozoic Ammonoid Sutures, Supplementary Material. Science Magazine () * *(【引用サイトリンク】url=http://paleodb.org/cgi-bin/bridge.pl?a=checkTaxonInfo&taxon_no=13787&is_real_user=1 ) 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「Neoglaphyrites」の詳細全文を読む スポンサード リンク
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