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| status = fossil | image = Graphoceratidae - Ludwigia murchisonae.jpg | image_caption = Fossil specimen of ''Ludwigia murchisonae'' from Mid Jurassic - Germany | regnum = Animalia | phylum = Mollusca | classis = Cephalopoda | subclassis = Ammonoidea | superordo = Neoammonoidea | ordo = Ammonitida | subordo = Ammonitina | superfamilia = Hildocerataceae | familia = Graphoceratidae | genus = ''Ludwigia'' | species = ''L. murchisonae'' | binomial = ''Ludwigia murchisonae'' | binomial_authority = Sowerby, 1825 | synonyms = * ''Ammonites murchisonae'' Sowerby, 1825 }} ''Ludwigia murchisonae'' is an extinct species of ammonites in the family Graphoceratidae, which lived during the Mid Jurassic, Aalenian age (170.3–174.1 mya). The shell of this species has an elaborate ribbing and a strong ridge along the dorsal surface. ==Distribution== Fossils of ''Ludwigia murchisonae'' are found in the Jurassic marine strata of France, Germany, Hungary, Spain and the United Kingdom. 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「Ludwigia murchisonae」の詳細全文を読む スポンサード リンク
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