Rhynchonellata - Spiriferinida - Syringothyrididae

Alternative combination: Pseudosyrinx plicata

Full reference: J. Armstrong. 1970. Syringothyrid brachiopods from the Permian of eastern Australia. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 136(2):135-165

Belongs to Sulcicosta according to J. B. Waterhouse 1983

Sister taxa: Sulcicosta costata, Sulcicosta dolosus

Type specimen: AM F45488. Its type locality is Rylstone, which is in a Kungurian coastal mudstone in the Capertree Formation of Australia.