Phylum Brachiopoda Duméril, 1806 - brachiopods Subphylum Rhynchonelliformea Williams et al., 1996 Class †Strophomenata Williams et al, 1996 Order †Orthotetida Waagen, 1884 1 Suborder †Orthotetidina Waagen, 1884 2 Suborder †Triplesiidina Moore, 1952