Phylum Porifera -
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porifera Porifera · Acanthella cavernosa Guam 530-31_1 · Acanthochaetetes wellsi Guam 649-7_1
The simplest of all the invertebrates are the Parazoans, which include only the phylum Porifera Phylum Porifera (“pori” = pores, “fera” = porifera PHYLUM PORIFERA Page 3 Classification of sponges is by
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