†superfamily Davidsoniacea King 1850 (lamp shell)
Parent taxon: Strophomenida according to C. H. C. Brunton and C. Champion 1974
Sister taxa: Colletostracia, Forma, Gorystrophia, Gosaukammerella, Halirhachis, Lamcispinifera, Lapasnia, Martiniacea, Plectambonitoidea, Protogamginifera, Prototeguliferina, Reticulatochonetes, Strigospina, Stropheodontidae, Strophomenoidea, Subtransmena
Subtaxa: none
Ecology: stationary epifaunal suspension feeder