†suborder Primitiopsicopina Schallreuer 1986 (ostracod)
Parent taxon: Hollinocopida according to A. F. Abushik and I. O. Evdokimova 2016
See also Abushik 2015
Sister taxa: Hollinocopina, Sylthiidae
Subtaxa: Clavofabellinidae Gravioidea Hatangeoidea Lysogorelloidea Primitiopsoidea Pteriella Signetopsidae Signetopsoidea Sulcatielloidea Venzavelloidea
Ecology: epifaunal suspension feeder