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Spongatractus Haeckel 1887 (radiolarian)

Radiolaria - Polycystina - Stylosphaeridae

PaleoDB taxon number: 308

Synonym: Spongoxiphus Haeckel 1887 (taxon 327)

Parent taxon: Stylosphaeridae according to P. De Wever et al. 2001

Sister taxa: Druppatractus, Dumitricasphaera, Lithomespilus, Praestylosphaera, Protoxiphotractus, Spongostylus, Staurolonche, Stylatractus, Stylosphaera, Xiphatractus, Zhamojdasphaera

Subtaxa: Spongatractus pachystylus

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Ecology: passively mobile planktonic omnivore