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''Cordaites'' is an important genus of extinct gymnosperms which grew on wet ground similar to the Everglades in Florida. Brackish water mussels and crustacea are found frequently between the roots of these trees. The fossils are found in rock sections from the Upper Carboniferous () of the Dutch - Belgian - German coal area. A number of many noteworthy types from this line are: * ''Cordaites principalis'' * ''Cordaites ludlowi'' (named after Ludlow, a coal area in England) * ''Cordaites hislopii''. Found in Paleorrota geopark in Brazil.〔(HERBIVORIA EM FLORAS GONDUÂNICAS DO NEOPALEÓZOICO DO RIO GRANDE DO SUL. )〕 In contrast to many other plant varieties, ''Cordaites'' seeds are not rare, because they are rather large (up to 10 mm); those seeds are named Cordaicarpus. ==References== 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「Cordaites」の詳細全文を読む スポンサード リンク
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