†subfamily Zygospirinae Waagen 1883 (lamp shell)
Parent taxon: Atrypida according to R.-B. Zhan and J. Jin 2005
Sister taxa: Anazygidina, Antelocoelia, Atrypidina, Davidsoniidina, Lissatrypidina, Undithyrella, Wutubulakia
Subtaxa: none
Ecology: stationary epifaunal suspension feeder