Hexactinellida - Amphidiscophora - Hyalonematidae

Parent taxon: Amphidiscophora according to G. Worheide et al. 2012

See also Brückner et al. 2003 and Finks and Rigby 2004

Sister taxa: Amphidiscosa, Hemidiscosa, Reticulosa

Subtaxa: Hyalonema

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Type: Hyalonema

Ecology: stationary intermediate-level epifaunal suspension feeder

Distribution: found only at Septarienton, Bad Freienwalde (Oligocene of Germany)

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