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Top: Science: Biology: Flora and Fauna: Animalia: Acoelomates (1)

DescriptionThe term acoelomates means "without coeloms", the coelom being a body space surrounded by an extra layer of cells, the mesoderm. The most important acoelomates are the flat worms contained in the phylum Platyhelminthes, including the free-living Turbellaria, the Trematoda or liver flukes and the Cestoda or parasitic tapeworms. Other phyla included are Nemertina, the ribbon worms, Orthonectida, Rhombozoa and Gnathostomulida, members of which are typically worm-like creatures sometimes classed together as polychaetes, or bristly worms. Classification in this area of the animal kingdom is unclear.

See also:

Science: Biology: Microbiology: Parasitology (18)

Reefkeeper’s Guide to Invertebrate Zoology: Flat and Ribbon Worms - Article outlining the biology of the Platyhelminthes and Nemertea.

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Last update: Apr 28, 2012 18:35:11. Phy.org is a private web site, powered by the Open Directory Project.