El Albani, A, Bengtson, S, Canfield, DE, Riboulleau, A, Rollion Bard, C, Macchiarelli, R, Ngombi Pemba, L, Hammarlund, E, Meunier, A, Moubiya Mouele, I, Benzerara, K, Bernard, S, Boulvais, P, Chaussidon, M, Cesari, C, Fontaine, C, Chi-Fru, E, Garcia Ruiz, JM, Gauthier-Lafaye, F, Mazurier, A, Pierson-Wickmann, AC, Rouxel, O, Trentesaux, A, Vecoli, M, Versteegh, GJM, White, L, Whitehouse, M and Bekker, A (2014) The 2.1 Ga Old Francevillian Biota: Biogenicity, Taphonomy and Biodiversity. PLoS ONE, 9(6). e99438. doi:10.1371/journal.pone.0099438