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|image = Titanites giganteus.JPG |image_width = 240px |image_caption = ''Titanites giganteus'' – Jurassic from Dorset England, 147 mya, at the Natural History Museum |regnum = Animalia |phylum = Mollusca |classis = Cephalopoda |ordo = Ammonoidea |familia = Dorsoplanitidae |genus = ''Titanites'' | genus_authority = S.S. Buckman 1921 | subdivision_ranks = Species | subdivision = * ''T. anguiformis'' Wimbledon and Cope, 1978 * ''T. chilensis'' Biro-Bagoczky, 1976 * ''T. cingulatus'' (de Haan, 1825) * ''T. giganteus'' (Sowerby, 1818) * ''T. occidentalis'' Frebold, 1957 |synonyms = }} ''Titanites'' is an extinct ammonite cephalopod genus within the family Dorsoplanitidae, that lived during the upper Tithonian stage of the Late Jurassic. ==Description== Species of the genus ''Titanites'' can reach large sizes, with a diameter of about 1.37 m for ''Titanites occidentalis''. They were fast-moving nektonic carnivores. 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「Titanites」の詳細全文を読む スポンサード リンク
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