†Fredericksolasma rhomboidale Smirnova & Grunt 2003

Smirnova & Grunt 2003. New Permian brachiopods of the order Terebratulida from the southwestern Darvaz (Northern Pamirs): 3. Superfamily Loboidothyroidea. Paleontologicheskii Zhurnal, 2, March-April 2003: 33-39