†subfamily Ropaloblastinae Fay 1964 (blastoid)
Blastoidea - Troosticrinida - Troosticrinidae
Parent taxon: Troosticrinidae according to J.A. Waters and A.S. Horowitz 1993
Sister taxa: Belocrininae, Calycoblastinae, Diploblastus, Troosticrininae
Subtaxa: Ropaloblastus
Type: Ropaloblastus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution: there are no occurrences of Ropaloblastinae in the database