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Phoronida (phylum)
Nota de aplicación
Phylum including several tube-dwelling, worm-like marine invertebrates characterized by a horseshoe-shaped lophophore, which is a characteristic feeding organ. Wormlike marine invertebrates of the phylum Phoronidea, having a true body cavity divided into compartments, a cluster of tentacles at the upper end, a circulatory system, circular and longitudinal muscles, and a nervous sytem beneath the epidermis; ranging up to 15 feet in length, each in…
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