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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Lophophorates (lophophorates)
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Order Cheilostomata
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Suborder Ascophora
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Family Mucronellidae
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Genus Porella
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Species Porella acutirostris
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Species Porella alba
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Species Porella aperta
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Species Porella compressa
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Species Porella groenlandica
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Species Porella laevis
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Species Porella marsupium
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Species Porella minuta
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Species Porella patens
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Species Porella patula
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Species Porella plana
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Species Porella porifera
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Species Porella princeps
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Species Porella proboscidea
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Species Porella reduplicata
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Species Porella sacata
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Species Porella smitti
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Species Porella struma
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Species Porella tumida
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