Family Frenulinidae Hatai 1938 (lamp shell)
Rhynchonellata - Terebratulida - Frenulinidae
Parent taxon: Laqueoidea according to C. C. Emig et al. 2013
See also Williams et al. 2006
Sister taxa: Laqueidae, Maastrichtiella, Terebrataliidae
Subtaxa: Frenulina Frenulininae Pictothyridinae
Ecology: stationary low-level epifaunal suspension feeder
Distribution: