†subfamily Dayiinae Waagen 1883 (lamp shell)
Rhynchonellata - Athyridida - Dayiidae
Parent taxon: Dayiidae according to M. G. Bassett and L. R. M. Cocks 1974
Sister taxa: Dayia, Protozeuga
Subtaxa: none
Ecology: stationary low-level epifaunal suspension feeder
Distribution: there are no occurrences of Dayiinae in the database