†family Elythynidae Gourvennec 1994 (lamp shell)
Rhynchonellata - Spiriferida - Elythynidae
Parent taxon: Martinioidea according to A. Williams et al. 2006
Sister taxa: Crassumbidae, Gerkispiridae, Ingelarellidae, Martiniidae, Micromartiniidae, Perissothyrididae, Tenellodermidae
Subtaxa: Elythyna Najadospirifer
Ecology: stationary epifaunal suspension feeder
Distribution: