|
''Hauericeras'' is an ammonite genus from the Late Cretaceous that lived from the Coniacian to the late Maastrichtian, from about 90 to 66 mya. Fossils have been found in Europe Russia, South Africa, Australia, India, Iraq, and in the United States. The shell of ''Haericeras'' is subinvolute with the outer whorl covering much of the inner, but leaving part of the inner whorls exposed. Whorls are smooth with narrow periodic constructions. Whorl section is laterally compressed, flanks gently bowed, venter sharp. The suture is strongly ammonitic. The genus ''Oiophyllites'' may be related. ==Species== * ''Hauericeras gardeni'' * ''Hauericeras pseudogardeni'' * ''Hauericeras sulcatum'' 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「Hauericeras」の詳細全文を読む スポンサード リンク
|