Global biostratigraphic comparison and correlation of an early Cisuralian palynoflora from Bolivia

  title={Global biostratigraphic comparison and correlation of an early Cisuralian palynoflora from Bolivia},
  author={Mercedes di Pasquo and George W. Grader and Peter E. Isaacson and Paulo A. Souza and Roberto Iannuzzi and Enrique D{\'i}az-mart{\'i}nez},
  journal={Historical Biology},
  pages={868 - 897}
This paper presents new data about Early Permian (Cisuralian) strata, palynostratigraphy and absolute dating from the Copacabana Formation in central Bolivia. Recent stratigraphic and palynologic data from marine and transitional rocks at Apillapampa refine the age of Cisuralian palynomorphs in South America. Twelve samples interbedded with five volcanic ashes (processed and productive) yielded 94 palynomorph species arranged in two informal palynoassemblages: the lower assemblage Vittatina… 
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