Martin, M. W.; Grazhdankin, D. V; Bowring, S. A; Evans, D. A; Fedonkin, M. A; Kirschvink, J. L. (5 de maio de 2000). «Age of Neoproterozoic bilatarian [sic] body and trace fossils, White Sea, Russia: implications for metazoan evolution». Science. 288 (5467): 841–5. Bibcode:2000Sci...288..841M. PMID10797002. doi:10.1126/science.288.5467.841
Martin, M. W.; Grazhdankin, D. V; Bowring, S. A; Evans, D. A; Fedonkin, M. A; Kirschvink, J. L. (5 de maio de 2000). «Age of Neoproterozoic bilatarian [sic] body and trace fossils, White Sea, Russia: implications for metazoan evolution». Science. 288 (5467): 841–5. Bibcode:2000Sci...288..841M. PMID10797002. doi:10.1126/science.288.5467.841
nih.gov
ncbi.nlm.nih.gov
Martin, M. W.; Grazhdankin, D. V; Bowring, S. A; Evans, D. A; Fedonkin, M. A; Kirschvink, J. L. (5 de maio de 2000). «Age of Neoproterozoic bilatarian [sic] body and trace fossils, White Sea, Russia: implications for metazoan evolution». Science. 288 (5467): 841–5. Bibcode:2000Sci...288..841M. PMID10797002. doi:10.1126/science.288.5467.841