†order Acanthinocyathida Okulitch 1935 (sponge)
Parent taxon: Regulares according to W. Kiessling 2003
Sister taxa: Ajacicyathida, Capsulocyathida, Clathricyathellus, Monocyathida, Pilodicoscinus, Siderocyathus, Tabulacyathida, Tumulocyathellus
Subtaxa: Acanthinocyathidae
Ecology: stationary intermediate-level epifaunal suspension feeder