When treated as a formal taxon Eumetazoa is typically ranked as a subkingdom.
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Many classification schemes do not include a subkingdom Eumetazoa.
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The sperm of Homoscleromorpha share with those of Eumetazoa features that those of other sponges lack.
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Other anatomical and biochemical evidence links the Eumetazoa with Homoscleromorpha, a sub-group of demosponges.
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A concept based on purely morphological characteristics pictures the Placozoa as the nearest relative of the animals with true tissues ( Eumetazoa ).
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This is due to the first appearance of neurogenesis having occurred in eumetazoa, which was a common ancestor of coelenterates and bilaterians.
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Today I edited both the talk page and the article for " Eumetazoa " before realizing I wasn't logged in.
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I'm seeking a concensus on the subject of mergers at eumetazoa . talk ) 14 : 46, 4 January 2006 ( UTC)
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More recent work has attempted to classify them based on the DNA sequences in their genome; this has placed the phylum between the sponges and the eumetazoa.
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Analyses since 2001 have concluded that Eumetazoa ( more complex than sponges ) are more closely related to particular groups of sponges than to the rest of the sponges.