†subfamily Proatriboniinae Gratsianova 1967 (lamp shell)
Rhynchonellata - Rhynchonellida - Stenoscismatidae
Parent taxon: Stenoscismatidae according to A. Williams et al. 2002
Sister taxa: Nantanella, Stenoscismatinae
Subtaxa: Beichuanella, Paratribonium, Proatribonium
Type: Proatribonium
Ecology: stationary epifaunal suspension feeder