†superfamily Porambonitacea Davidson 1853 (lamp shell)
Parent taxon: Syntrophiidina according to A. W. Owen and D. A. T. Harper 1982
Sister taxa: Camerelloidea, Porambonitoidea, Syntrophioidea
Subtaxa: none
Ecology: stationary epifaunal suspension feeder
Distribution: found only at Hindella-Cliftonia association, Langara Fm. (Ordovician of Norway)