Xenacoelomorpha

Xenacoelomorpha is a proposed grouping of the xenoturbellids and acoelomorph flatworms, suggested by molecular data.Philippe H. et al. 2011. Acoelomorph flatworms are deuterostomes related to Xenoturbella. Nature 470 (7333): 255-258  It may be a member of the deuterostomes, Perseke M. et al 2007. The mitochondrial DNA of Xenoturbella bocki: genomic architecture and phylogenetic analysis. Theory Biosci. 126 (1):35-42. Available on-line at   and may be even more basal in the Bilateria.

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Category:Minor phyla
Category:Invertebrates
Category:Animals