†subfamily Agelacrinitinae Chapman 1860
Edrioasteroidea - Isorophida - Agelacrinitidae
Parent taxon: Agelacrinitidae according to P. Mueller and G. Hahn 2017
Sister taxa: Agelacrinites, Bellastrella, Cooperidiscus, Dinocystis, Discocystinae, Hystrichopsydrax, Krama, Lepidodiscus, Neoisorophusella, Postibulla, Postibullinae, Savagella, Thresherodiscus, Ulrichidiscus
Subtaxa: Sumrallia
Ecology: stationary low-level epifaunal suspension feeder
Distribution: found only at Seifen, Westerwald (Devonian of Germany)