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Porifera (sponges)
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Class Hexactinellida
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Order Lyssacinosida
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Family Euplectellidae
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Genus Acoelocalyx
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Genus Amphidiscella
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Genus Atlantisella
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Genus Bolosoma
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Genus Caledoniella
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Genus Caulocalyx
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Genus Chaunangium
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Genus Corbitella
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Genus Dictyaulus
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Genus Dictyocalyx
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Genus Docosaccus
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Genus Euplectella
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Genus Hertwigia
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Genus Heterotella
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Genus Holascus
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Genus Hyalostylus
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Genus Ijimaiella
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Genus Malacosaccus
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Genus Placopegma
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Genus Pseudoplectella
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Genus Regadrella
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Genus Rhabdopectella
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Genus Saccocalyx
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Genus Symplectella
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Genus Trachycaulus
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Genus Vityaziella
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Genus Walteria
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