†family Septirhynchiidae Muir-Wood and Cooper 1951 (lamp shell)
Rhynchonellata - Rhynchonellida - Septirhynchiidae
Parent taxon: Hemithiridoidea according to A. Williams et al. 2002
Sister taxa: Cyclothyrididae, Hemithirididae, Notosariidae, Tetrarhynchiidae
Subtaxa: Heteromychus Lessinirhynchia Septirhynchia
Type: Septirhynchia
Ecology: stationary epifaunal suspension feeder
Distribution: