†suborder Lissatrypidina Copper 1996 (lamp shell)
Parent taxon: Atrypida according to A. Williams et al. 2002
Sister taxa: Anazygidina, Antelocoelia, Atrypidina, Davidsoniidina, Protatrypinae, Undithyrella, Wutubulakia
Subtaxa: Glassioidea Lissatrypoidea Protozygoidea
Ecology: stationary epifaunal suspension feeder