Phylum Brachiopoda Duméril, 1806 - brachiopods
Subphylum Rhynchonelliformea Williams et al., 1996
Class Rhynchonellata Williams et al., 1996
Order Rhynchonellida Kuhn, 1949
Superfamily Hemithiridoidea Rzhonsnitskaya, 1956
1 Family Hemithirididae Rzhonsnitskaya, 1956
2 Family †Cyclothyrididae Makridin, 1964
3 ?Family †Triasorhynchiidae Xu & Liu, 1983
4 Family †Tetrarhynchiidae Ager, 1965
5 Family Notosariidae Williams et al., 2002
6 ?Family †Septirhynchiidae Muir-Wood & Cooper, 1951