This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
J. I. Tazawa, 2012 - Late Permian (Changhsingian) brachiopod fauna from Nabekoshiyama in the Kesennuma area, South Kitakami Belt, northeast Japan - Science Reports, Niigata University (27), 15-50 (journal article, English)
S. M. Lee, 2010 - Pennsylvanian brachiopods from the Geumcheon-Jangseong Formation, Pyeongan supergroup, Taebaeksan basin, Korea - Journal of Paleontology (84), 417-443 (journal article, English)
A. Pérez-Huerta, 2007 - Permian brachiopods from new localities in northeast Thailand: implications for paleobiogeographic analysis - Journal of Asian Earth Sciences (30), 504-517 (journal article, English)
A. Williams, 2006 - - Treatise on Invertebrate Paleontology Part H, Brachiopoda. Volume 5: Rhynchonelliformea (part) (5), 1689-2320 (compendium, English)
J. J. Sepkoski, Jr., 2002 - A compendium of fossil marine animal genera - Bulletins of American Paleontology (363), 1-560 (serial monograph, English)
L. Li, 1986 - Brachiopod names, in The Brachiopods and the boundary of Late Carboniferous-Early Permian in Longlin region, Guangxi - Bulletin of the Yichang Institute of Geology and Mineral Resources (11), 217-237 (journal article, Chinese)
L. Li, 1986 - The brachiopods and the boundary of Late Carboniferous-Early Permian in Longlin region, Guangxi - Bulletin of the Yichang Institute of Geology and Mineral Resources (11), 199-258 (journal article, Chinese)
Y. G. Jin, 1985 - Late Paleozoic and Triassic brachiopods from the east of the Qinghai-Xizang Plateau - Paleontology and Stratigraphy of Western Sichuan and Eastern Xizang (), 182-249 (journal article, English)
V. P. Barchatova, 1968 - Spiriferellidae, Brachythyrinae - Novye Vidy Drevnikh Rasteniy i Bespozvonochnykh SSSR (2), 160-167 (book/book chapter, Russian)
J. Yanagida, 1967 - Early Permian brachiopods from north-central Thailand - Geology and Paleontology of Southeast Asia (3), 46-97 (journal article, English)
K. L. Gauri, 1965 - Uralian stratigraphy, Trilobites and Brachiopods of the western Carnic Alps (Austria) - Jahrbuch der Geologischen Bundesanstalt (11), 1-94 (journal article, English)
V. I. Ustritsky, 1963 - Biostratigrafiya i Brakhiopody Verknego Paleozoya Taimyra [Biostratigraphy and Brachiopods of the upper Paleozoic of Taimyr] - Trudy Nauchno-Issledoratel'skogo Instituta Geologii Arktiki (134), 1-139 (serial monograph, Russian)
G. E. Chernyak, 1963 - Taxonomic names, in Biostratigrafiya i Brakhiopody Verknego Paleozoya Taimyra - Trudy Nauchno-Issledoratel'skogo Instituta Geologii Arktiki (134), 1-139 (serial monograph, Russian)
O. L. Einor, 1959 - Brachiopoda - Polevoi Atlas Fauny Permskikh Otlozhenii Severo-Vostoka SSSR (), 1-85 (book/book chapter, Russian)
F. R. C. Reed, 1944 - Brachiopoda and Mollusca from the Productus limestones of the Salt Range - Palaeontogica Indica, Memoirs of the Geological Survey of India, New Series (23), 1-596 (serial monograph, English)
E. Schellwien, 1892 - Die Fauna des karnischen Fusulinenkalks - Palaeontographica (39), 1-56 (journal article, German)
W. Waagen, 1883 - Productus Limestone Fossils, Part IV, fas. 2 - Salt Range Fossils, Palaeontologia Indica, Series 13 (1), 391-546 (serial monograph, English)