Orthorhynchula Bolton, T.E. 1957. Silurian Stratigraphy and Paleontology of the Niagara Escarpment in Ontario. Geological Survey of Canada, Memoir (Ottawa), 289:1-145, 13 Pls. CAMERELLA; CANADA; CYRTINA; FARDENIA; ONTARIO; ORTHORHYNCHULA; PLATYSTROPHIA; SILURIAN; STEGERHYNCHUS; STRATIGRAPHY; WHITFIELDELLA Grabau, A.W. 1932. The Brachiopoda, Part 3. In: Studies for Students, I: Palaeontology. Science Quarterly of the National University of Peking, 3(2):75-112. ATHYRISINA; ATRYPA; BURMIRHYNCHIA; CAMAROTOECHIA; CAMEROPHORIA; CHINA; COELOSPIRA; EATONIA; EUMETRIA; GONIOPHORIA; HALORELLA; HEMITHIRIS; HOMOEOSPIRA; HUSTEDIA; HYPOTHYRIDINA; KWANGSIELLA; LEIORHYNCHUS; LEPTOCOELIA; MAXILLIRHYNCHIA; MISOLIA; MUTATIONELLA; NORELLA; ORTHORHYNCHULA; PARAZYGA; PTYCHOSPIRA; PUGNAX; PUGNOIDES; RETZIA; RHYNCHONELLA; RHYNCHOPORA; RHYNCHOSPIRINA; RHYNCHOTREMA; RHYNCHOTRETA; TEREBRATULOIDEA; TREMATOSPIRA; UNCINELLA; UNCINULUS; #UNCINUNELLINA; UNCITES; VITULINA; YUNNANELLA; YUNNANELLINA; ZYGOSPIRA Greger, D.K. & Born, K.E. 1936. Stratigraphy and Fauna of the Fernvale Formation. Washington University Studies, Science & Technology (Contributions in Geology), 9: 67-77, Pls. 1-2. DINORTHIS; HEBERTELLA; HESPERORTHIS; LEPTAENA; MO; ORDOVICIAN; ORTHORHYNCHULA; PARASTROPHIA; PLAESIOMYS; PLATYSTROPHIA; RHIPIDOMELLA; RHYNCHOTREMA; SCHUCHERTELLA; SOWERBYELLA; STRATIGRAPHY; STROPHOMENA; USA; VELLAMO Howe, H.J. 1979. Middle and Late Ordovician Plectambonitacean, Rhynchonellacean, Syntrophiacean, Trimerellacean, and Atrypacean Brachiopods. United States Geological Survey Professional Paper (Washington, DC), 1066-C:1- 18. ATRYPACEA; CAMERELLA; ELLIPTOGLOSSA; KY; LEPIDOCYCLUS; ORDOVICIAN; ORTHORHYNCHULA; PLECTAMBONITACEA; RHYNCHONELLACEA; RHYNCHOTREMA; ROSTRICELLULA; SOWERBYELLA; STATISTICS; SYNTROPHIACEA; THAERODONTA; TRIMERELLACEA; USA; ZYGOSPIRA Reed, F.R.C. 1932. Report on the Brachiopods from the Trondheim Area. Skrifter Av det Norske Videnskaps-Akademi i Oslo i Matematisk- Naturvidenskapelig Klasse, 1(4):115-146, 5 Pls. AUSTINELLA; CAMERELLA; CATAZYGA; DINORTHIS; HEBERTELLA; HOLTEDAHLINA; HORDERLEYELLA; LEPTELLOIDEA; NICOLELLA; NORWAY; ORDOVICIAN; ORTHIS; ORTHORHYNCHULA; OXOPLECIA; PARASTROPHIA; PARASTROPHINA; PIONODEMA; PLAESIOMYS; PLATYSTROPHIA; PLECTATRYPA; PLECTORTHIS; PTYCHOGLYPTUS; RAFINESQUINA; RHYNCHOTREMA; SCHIZOPHORELLA; SOWERBYELLA; STROPHODONTA; STROPHOMENA; SYNTROPHIA; TRIPLESIA; VALCOUREA; ZYGOSPIRA Rotai, A.P. 1931. Novye predstaviteli brakhiopod iz nizhnego karbona Donetskogo basseina. (New Representatives of Brachiopoda from the Lower Carboniferous of the Donetz Basin.). Glavnogo Geologo- Razvedochnogo Upravleniya (GGRU), Trudy (Moscow-Leningrad), 73:1-34, 2 Pls. ACANTHOTHIRIS; ALLORHYNCHUS; ATRETIA; AUSTRIELLA; BASILIOLA; BLOCHMANNELLA; CAMAROTOECHIA; CARBONIFEROUS; CLARKEIA; CRETACEOUS; CRYPTOPORA; CYCLOTHYRIS; DEVONIAN; DIMERELLA; #DONELLA; EATONIA; GONIOPHORIA; HALORELLA; HEMIPLETHORHYNCHUS; HEMITHIRIS; HYPOTHYRIDINA; HYPOTHYRIS; JURASSIC; LEIORHYNCHUS; MISSISSIPPIAN; NEATRETIA; NEORHYNCHIA; NORELLA; ORTHORHYNCHULA; PARAPHORHYNCHUS; PEREGRINELLA; PERMIAN; PLETHORHYNCHA; PROTORHYNCHA; PUGNAX; PUGNOIDES; RECENT; #REFLEXIA; RHYNCHONELLA; RHYNCHONELLINA; RHYNCHONELLOPSIS; RHYNCHOPORA; RHYNCHOPORINA; RHYNCHOTETRA; RHYNCHOTREMA; RHYNCHOTRETA; SEPTALIPHORIA; SHUMARDELLA; SILURIAN; STEGERHYNCHUS; STENOSCISMA; TEREBRATULOIDEA; TERTIARY; TETRACAMERA; THURMANNELLA; TRIASSIC; UNCINULINA; UNCINULUS; USSR; WILSONIA Ruedemann, R. 1925. The Utica and Lorraine Formations of New York. Part 2. Systematic Paleontology. New York State Museum, Bulletin (Albany), 262:1-140, 13 Pls. CAMAROTOECHIA; CLASSIFICATION; CRANIA; DALMANELLA; DELTHYRIS; GLYPTORTHIS; HEBERTELLA; LEPTAENA; LEPTOBOLUS; LINGULA; NY; ORBICULOIDEA; ORDOVICIAN; ORTHIS; ORTHORHYNCHULA; PHOLIDOPS; PLATYSTROPHIA; PLECTAMBONITES; PSEUDOLINGULA; RAFINESQUINA; SCHIZAMBON; SCHIZOCRANIA; SPIRIFER; STROPHOMENA; TREMATIS; USA; ZYGOSPIRA Sutherland, R.L. 1960. Stratigraphy and Paleontology of the 'Maysville' Division of the Martinsburg Shale Formation near Chatham Hill, Smyth County, Virginia. (Abstr.). Virginia Journal of Science (Hopewell), 11(4):216. LINGULA; ORDOVICIAN; ORTHORHYNCHULA; STRATIGRAPHY; USA; VA Wilson, C.W., Jr. 1948. The Geology of Nashville, Tennessee. Geological Survey of Tennessee, Bulletin, 53:172 Pages, 28 Pls. ANASTROPHIA; ATRYPA; CAMAROTOECHIA; CONCHIDIUM; DALMANELLA; DICTYONELLA; DINORTHIS; GLYPTORTHIS; HEBERTELLA; HESPERORTHIS; HOMOEOSPIRA; LEPTAENA; LINGULA; MERISTINA; ORDOVICIAN; ORTHORHYNCHULA; PIONODEMA; PLATYSTROPHIA; PLECTAMBONITES; RHYNCHOTREMA; SCHUCHERTELLA; SKENIDIUM; SPIRIFER; STROPHODONTA; STROPHOMENA; TN; UNCINULUS; USA; VALCOUREA; WHITFIELDELLA; WILSONIA; ZYGOSPIRA