†family Sylviacoscinidae Debrenne et al. 1989 (archaeocyath sponge)
Archaeocyatha - Ajacicyathida - Sylviacoscinidae
Parent taxon: Sigmocoscinoidea according to F. Debrenne et al. 2015
Sister taxon: Sigmocoscinidae
Subtaxa: Sylviacoscinus
Type: Sylviacoscinus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution: there are no occurrences of Sylviacoscinidae in the database