†order Styliolinida Ljaschenko 1955 (mollusk)
Parent taxon: Dacryoconarida according to N. M. Farsan 1994
Sister taxa: Gonionowakiida, Nowakiida, Procorniculinida, Styliola, Viratellina
Subtaxa: Styliolinidae, Viriatellidae
Ecology: stationary semi-infaunal suspension feeder