Ostracoda - Podocopida - Bairdiidae
Full reference: W. J. Yi. 1993. Ostracode fauna from Lower Permian Chihsia Formation of Guangping in Datian, Fujian. Acta Palaeontologica Sinica 32(5):561-586
Parent taxon: Bairdiidae according to W. J. Yi 1993
Sister taxa: Abrobairdia, Acratina, Actuaria, Anisobairdia, Arcibairdia, Bairdia, Bairdiacypris, Bairdiolites, Bispinacratia, Bohlenatia, Ceratobairdia, Fabalicypris, Isobythocypris, Kempfina, Krausella, Lanczichebairdia, Lobobairdia, Mirabairdia, Orthobairdia, Parabairdiacypris, Paracypris, Paramacrocypris, Petasobairdia, Praelobobairdia, Praezabythocypris, Ptychobairdia, Pustulobairdia, Sinabairdia, Spinobairdia, Spinocypris, Truncobairdia, Urobairdia, Vanganardia, Xixionopsis
Subtaxa: Heterobairdia datianensis, Heterobairdia subovata
Type: Heterobairdia datianensis
Ecology: epifaunal detritivore-grazer