<ref name = "BaileyvsXiao"> Xiao ''et al''.'s response to Bailey ''et al''.'s original paper : {{cite journal | author = Xiao, S.; Zhou, C.; Yuan, X. | date = 2007 | title = Palaeontology: undressing and redressing Ediacaran embryos. | journal = Nature | volume = 446 | issue = 7136 | pages = E9-10 | issn =  | doi =  | url = http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=17410133&dopt=Citation  | access-date = 2007-05-10 }}And Bailey ''et al''.'s reply: {{cite journal| author = Bailey, J.V.; Joye, S.B.; Kalanetra, K.M.; Flood, B.E.; Corsetti, F.A. | year = 2007 | title = Palaeontology: Undressing and redressing Ediacaran embryos (Reply). | journal = Nature | volume = 446 | issue = 7136 | pages = E10-E11 | issn =  | doi =  | url = http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=17410132&dopt=Citation  | access-date = 2007-05-10 }}</ref>
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