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Body cavity article has some detailed info about coelom. Those lines could be transfered here. Tevfik A. (talk) 18:31, 21 July 2010 (UTC)
Misleading phrasing (not sure how to correct)
The introduction uses the phrase "higher metazoans" and "less developed animals". These terms are not really in line with current evolutionary theory (see e.g. Largest-scale trends in evolution). However, due to the vagueness of these terms, I'm not really sure how to replace them. It's possible that these terms are not descriptive, but definitional, i.e. "higher metazoans" are those with epithelium-lined coela. Can anyone clarify? Augurar (talk) 02:37, 22 February 2014 (UTC)