Peterson KJ, Cotton JA, Gehling JG, Pisani D. (2008). The Ediacaran emergence of bilaterians: congruence between the genetic and the geological fossil records. Philosophical Transactions of the Royal Society B: Biological Sciences363 (1496): 1435–1443. PMID18192191. PMC2614224. DOI: 10.1098/rstb.2007.2233.
Peterson KJ, Cotton JA, Gehling JG, Pisani D. (2008). The Ediacaran emergence of bilaterians: congruence between the genetic and the geological fossil records. Philosophical Transactions of the Royal Society B: Biological Sciences363 (1496): 1435–1443. PMID18192191. PMC2614224. DOI: 10.1098/rstb.2007.2233.