†subfamily Prokopiinae Wright 1965 (lamp shell)
Rhynchonellata - Orthida - Dalmanellidae
Parent taxon: Dalmanellidae according to A. Williams et al. 2000
Sister taxa: Cortezorthinae, Dalmanellinae, Isorthinae, Resserellinae, Templeellinae
Subtaxa: Eoprokopia, Eosophragmophora, Miniprokopia, Phragmophora, Prokopia, Protophragmapora
Type: Prokopia
Ecology: stationary epifaunal suspension feeder