Platyhelminths definitions

platyhelminths

A phylum of acoelomate, bilaterally symmetrical flatworms, without a definite anus. It includes three classes: cestoda, turbellaria, and trematoda. ... (12 Dec 1998) ...
Found on http://www.encyclo.co.uk/local/20973

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Platyhelminths

(see Flatworms)
Found on https://www.encyclo.co.uk/local/23029

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