†family Paurorthidae Opik 1933 (lamp shell)
Parent taxon: Dalmanelloidea according to A. Williams et al. 2000
Sister taxa: Angusticardiniidae, Dalmanellidae, Dicoelosiidae, Harknessellidae, Heterorthidae, Hypsomoniidae, Kayserellidae, Mystrophoridae, Platyorthidae, Portranellidae, Proschizophoriidae, Rhipidomellidae, Tyronellidae
Subtaxa: Cyclomyonia, Nereidella, Paurorthis
Type: Paurorthis
Ecology: stationary epifaunal suspension feeder