†subfamily Helenathyridinae Dagys 1974 (lamp shell)
Rhynchonellata - Athyridida - Athyrididae
Full reference: A. S. Dagys. 1974. Triassic Brachiopods (Morphology, Classification, Phylogeny, Stratigraphical Significance and Biogeography) 1-387
Parent taxon: Athyrididae according to A. Williams et al. 2002
Sister taxa: Athyridinae, Athyris naliensis, Athyrisininae, Baliqliqia, Cleiothyridininae, Comelicaniinae, Didymothyridinae, Janicepsinae, Kintathyris, Lochengiinae, Mayangella, Pachyplaxoides, Plicathyridinae, Pradoiinae, Protathyridinae, Spirigerellinae, Tarimathyris, Transcaucasathyriinae, Xenosariinae
Subtaxa: Biernatella Eobiernatella Helenathyris Neptunathyris Sphaerathyris
Type: Helenathyris
Ecology: stationary low-level epifaunal suspension feeder
Distribution: