†superfamily Productoidea Gray 1840 (lamp shell)
Alternative spelling: Productacea
Parent taxon: Productidina according to A. Williams et al. 2000
See also Brunton and Champion 1974, Hoare 1961 and Shen et al. 2003
Sister taxa: Echinoconchoidea, Linoproductoidea, Marginiferoidea
Subtaxa: Buxtoniidae Labaellidae Oligorhachis Overtoniidae Productellidae Productidae
Ecology: stationary low-level epifaunal suspension feeder