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Eumetazoa (metazoans)
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Class Hydrozoa
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Order Siphonophora
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Family Agalmatidae
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Genus Halistemma
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Species Halistemma amphytridis
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Species Halistemma cupulifera
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Species Halistemma rubrum
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Species Halistemma striata
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Species Halistemma transliratum
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