Difference between revisions of "Eumetazoa"
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Revision as of 03:53, 29 December 2014
Eumetazoans are animals that are not sponges. Sponges are the earliest-branching of metazoans and have considerably less animal-like structure than the eumetazoa.
The next earliest-branching group of metaozans are the placozoa, exemplified by Trichoplax adherens. These are also very simple animals and there is no agreement on whether they should be considered within the Eumetazoa. In the sponge genome paper [1], placozoa were included within the Eumetaoza but excluded from a new clade, called Eumetazoa sensu strictu.
For more, see Wikipedia
References
- Srivastava M, Simakov O, Chapman J, Fahey B, Gauthier ME, Mitros T, Richards GS, Conaco C, Dacre M, Hellsten U, Larroux C, Putnam NH, Stanke M, Adamska M, Darling A, Degnan SM, Oakley TH, Plachetzki DC, Zhai Y, Adamski M, Calcino A, Cummins SF, Goodstein DM, Harris C, Jackson DJ, Leys SP, Shu S, Woodcroft BJ, Vervoort M, Kosik KS, Manning G, Degnan BM, and Rokhsar DS. The Amphimedon queenslandica genome and the evolution of animal complexity. Nature. 2010 Aug 5;466(7307):720-6. DOI:10.1038/nature09201 |
