%0 Journal Article %T ONTHESEEDSOFTHEPTERIDOSPERMEMPLECTOPTERISTRIANGULARISHALLE %J µØÖÊѧ±¨ %D 1932 %X RecentstudiesoftheLatePalaeozoicflorasofChinahavebroughttolightacomparativelygreatnumberofPteridospermswithattachedseeds.FromthePermianofShansihavebeendescribednolessthanfivespeciesofseed-bearingfronds,whereasthetotalnumberofestablishedcasesofconnexion %U http://www.geojournals.cn/dzxb/ch/reader/view_abstract.aspx?file_no=19320331&flag=1