†superfamily Pennospiriferinoidea Dagys 1972 (lamp shell)
Rhynchonellata - Spiriferinida
Parent taxon: Spiriferinidina according to A. Williams et al. 2006
Sister taxa: Spiriferinoidea, Syringothyridoidea
Subtaxa: Balatonospiridae Lepismatinidae Paraspiriferinidae Pennospiriferinidae Punctospiriferidae Reticulariinidae Sarganostegidae Spiriferellinidae Spiropunctiferidae
Ecology: stationary low-level epifaunal suspension feeder