Rhynchonellata - Terebratulida - Postepithyrididae
Full reference: H. M. Muir-Wood. 1935. Jurassic Brachiopoda. The Mesozoic Palaeontology of British Somaliland, Geology and Palaeontology of British Somaliland, II 75-147
Parent taxon: Postepithyrididae according to A. Williams et al. 2006
Sister taxa: Arceythyris, Caryona, Conarothyris, Epithyris, Euidothyris, Ferrythyris, Galliennithyris, Gigantothyris, Glyphisaria, Habrobrochus, Heimia, Holcothyris, Juralina, Kutchithyris, Maritimithyris, Millythyris, Moeschia, Peculneithyris, Perrierithyris, Petalothyris, Plectoidothyris, Postepithyris, Pseudoaulacothyris, Thadiqithyris, Xestosina
Subtaxa: Somalithyris bihendulensis, Somalithyris elliptica, Somalithyris macfadyeni, Somalithyris ovata, Somalithyris parva, Somalithyris rotundata, Somalithyris subcircularis, Somalithyris triangulata
Type: Somalithyris macfadyeni
Ecology: stationary epifaunal suspension feeder