DISCOVERY OF CARBONACEOUS MEGAFOSSILS (CHUARIA-TAWUIA ASSEMBLAGE) FROM THE NEOPROTEROZOIC VINDHYAN SUCCESSION (REWA GROUP), ALLAHABAD-REWA AREA, INDIA

Well preserved carbonaceous compressoins and impressions of Proterozoi c mega algal assemblage Chuaria circularis-Tawuia dalensis are recorde d for the first time from the upper part of the Rewa Group, Vindhyan S upergroup, exposed in an escarpment near the town of Allahabad on the Madhya Pradesh-Uttar Pradesh border, These millimetric-sized fossils r epresent an important event in the evolution of the Proterozoic biosph ere. The significance of the present record indicates towards continua nce of macro-organic community across the entire Vindhyan sequence, Th is aspect has been discussed in the light of previous records from Ind ia and abroad and its bearing on the age of the upper part of the Vind hyan succession and correlation of the sequence on a regional scale.