†suborder Erismacoscinina Debrenne et al. 1989 (archaeocyath sponge)
Parent taxon: Ajacicyathida according to F. Debrenne et al. 2015
Sister taxa: Ajacicyathina, Archaeocyathellus, Botocyathus, Dokidocyathina, Kidjasocyathus, Nevadacyathus, Procyathellus, Ptretiosocyathus, Somphocyathus, Stephanicyathus, Tabulacyathus
Subtaxa: Coscinoptyctoidea Ethmocoscinoidea Kasyricyathoidea Mootwingeecyathoidea Polycoscinoidea Porocoscinoidea Salairocyathoidea Sigmocoscinoidea
Ecology: stationary intermediate-level epifaunal suspension feeder