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MIDDLE DEVONIAN STROMATOPOROIDS FROM MOUNTLIKE SUPERIMPOSED BIOHERMS ALONG CARBONATE PLATFORM MARGIN FROM LIUZHAI,NANDAN, GUANGXI

MIDDLE DEVONIAN STROMATOPOROIDS FROM MOUNTLIKE SUPERIMPOSED BIOHERMS ALONG CARBONATE PLATFORM MARGIN FROM LIUZHAI,NANDAN, GUANGXI

广西六寨中泥盆统台地边缘丘状叠置礁内的层孔虫生物礁