†superfamily Bairdioidea Sars 1888 (ostracod)
Parent taxon: Podocopina according to S. Crasquin 2008
Sister taxon: Bairdiocypridoidea
Subtaxa: Acratiidae, Bairdiidae, Geroiidae, Macrocyprididae, Microcheilinellidae, Pachydomellidae
Ecology: epifaunal detritivore-grazer