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Pycnocalyptra Schrammen 1937 (glass sponge)

Hexactinellida - Innaecoeliida - Craticulariidae

PaleoDB taxon number: 3915

Parent taxon: Craticulariinae according to R. M. Finks et al. 2004

Sister taxa: Craticularia, Dictyonocoelia, Reticraticularia, Sphenaulax

Subtaxa: Pycnocalyptra calyx

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Type: Pycnocalyptra calyx

Ecology: stationary intermediate-level epifaunal suspension feeder