%0 Journal Article %T PALEOZOICCENTERSOFFAUNALEVOLUTIONANDDISPERSAL %J µØÖÊѧ±¨ %D 1932 %X Inthepast,fossilfaunashavegenerallybeenreferredtothecontinentinwhichtheywerefirststudied.ThusithasbeencustomarytospeakofEuropeanSilurianorDevonianfaunas,oroftheNorthAmericanfauna.Thishasledtothetacitassumptionthatthesefaunaswereendemicinthoseregions, %U http://www.geojournals.cn/dzxb/ch/reader/view_abstract.aspx?file_no=19320325&flag=1