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| | The Hutchinson Encyclopedia: phylum@ HighBeam Research (Site not responding. Last check: 2007-10-22) |
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 | | Mammals, birds, reptiles, amphibians, fishes, and tunicates belong to the phylum Chordata; the phylum Mollusca consists of snails, slugs, mussels, clams, squid, and octopuses; the phylum Porifera contains sponges; and the phylum Echinodermata includes starfish, sea urchins, and sea cucumbers. |
 | | In classifying plants (where the term 'division' often takes the place of 'phylum'), there are between four and nine phyla depending on... |
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