†family Hetairacyathidae Bedford and Bedford 1937 (sponge)
Heteractinida - Hetairacyathida
PaleoDB taxon number: 84250
Parent taxon: Hetairacyathida according to R. M. Finks et al. 2004
Sister taxa: none
Subtaxa: Girphanovella, Radiocyathus
Ecology: stationary intermediate-level epifaunal suspension feeder