Transvaal Stromatolite: First Evidence for the Diversification of Cells about 2.2 x 109 Years Ago.

@article{Nagy1974TransvaalSF,
  title={Transvaal Stromatolite: First Evidence for the Diversification of Cells about 2.2 x 109 Years Ago.},
  author={L A Nagy},
  journal={Science},
  year={1974},
  volume={183 4124},
  pages={514-6}
}
The well-preserved fossil remnants of filamentous blue-green algae have been found in petrographic thin sections of a dolomitic limestone stromatolite in the Transvaal Sequence of South Africa. Some of these filaments contain enlarged cells which are interpreted as akinetes. A new species and genus, Petraphera vivescenticula, is proposed for this… CONTINUE READING