Walker, L.G.
    1982.  The Brachiopod Genera Hebertella, Dalmanella, and Heterorthina from 
the Ordovician of Kentucky. United States Geological Survey Professional Paper 
(Washington, DC), 1066-M:17 Pages, 5 Pls. DALMANELLA; HEBERTELLA; 
HETERORTHINA; ;
; USA

Alexander, R.R.
    1989.  Influence of Valve Geometry, Ornamentation, and Microstructure  on 
Fractures in Late Ordovician Brachiopods. Lethaia (Oslo), 22(2):133- 147. 
FUNCTIONAL MORPHOLOGY;
HEBERTELLA; HISCOBECCUS; IN; LEPTAENA; MORPHOLOGY; ONNIELLA;
ORDOVICIAN; ORNAMENTATION; PLAESIOMYS; PLATYSTROPHIA;
RAFINESQUINA; STROPHOMENA; THAERODONTA; ULTRASTRUCTURE; USA

Alexander, R.R.
    1990.  Disarticulated Shells of Late Ordovician Brachiopods: Inferences on 
Strength of Hinge and Valve Architecture. Journal of Paleontology (Lawrence), 
64(4):524-532. ARTICULATION;
FUNCTIONAL MORPHOLOGY; HEBERTELLA; HINGE; HISCOBECCUS; IN;
LEPTAENA; MORPHOLOGY; ORDOVICIAN; PLAESIOMYS; PLATYSTROPHIA;
STROPHOMENA; USA

Alexander, R.R. & Scharpf, C.D.
    1990.  Epizoans on Late Ordovician Brachiopods from Southeastern Indiana. 
Historical Biology (Basel), 4(3):179-202.
COMPETITION; ENCRUSTATION; EPIZOANS; HEBERTELLA; HISCOBECCUS; IN;
.ONNIELLA; ORDOVICIAN; PETROCRANIA; RAFINESQUINA; STROPHOMENA; USA

Austin, G.M.
    1927.  Richmond Faunal Zones in Warren and Clinton Counties, Ohio. United 
States National Museum, Proceedings (Washington,DC), 70(2671):1-18. 
AUSTINELLA; CATAZYGA; DALMANELLA; DINORTHIS;
HEBERTELLA; LEPTAENA; LINGULA; OH; ORDOVICIAN; PLATYSTROPHIA;
PLECTAMBONITES; PLECTORTHIS; RAFINESQUINA; SCHIZOCRANIA;
STROPHOMENA; USA; ZYGOSPIRA

Borissiak, M.A
    1955.  Stratigrafiia i brakhiopody siluriiskikh otlozhenii raiona khrebta 
Chingiz. In: Materialy po stratigrafii i fauneordovikskikh siluriiskikh 
otlozhenii Tsentral'nogo Kazakhstana. Vsesoiuznyi Nauchno- Issledovatel'skii 
Geologicheskii Institut (VSEGEI), Materialy (Paleontologiia i Stratigrafiia) 
(St. Petersburg), 5(2):3-106, 13 Pls. ATRYPA; BILOBITES; 
CHONETOIDEA;
CLORINDA; CYCLOCOELIA; DELTHYRIS; DOLEROIDES; DOLERORTHIS;
EOSPIRIFER; FARDENIA; GLYPTORTHIS; HEBERTELLA; HESPERORTHIS;
HOLORHYNCHUS; KAZAKHSTAN; LEPTAENA; MONOMERELLA; MUTATIONELLA;
NALIVKINIA; NUCLEOSPIRA; PARMORTHIS; PENTAMERUS; PIONODEMA;
PLECTATRYPA; SILURIAN; SOWERBYELLA; STRATIGRAPHY; STROPHODONTA;
STROPHOMENA; USSR

Bradley, J.H.
    1921.  The Brachiopoda of the Maquoketa of Iowa. Harvard University, 
Museum of Comparative Zoology, Bulletin (Cambridge), 64(6):503-525, 2 Pls. 
AUSTINELLA; CRANIA; DALMANELLA; DINORTHIS;
GLYPTORTHIS; HEBERTELLA; IA; LEPTAENA; LINGULA; ORDOVICIAN;
PARASTROPHIA; PLAESIOMYS; PLECTAMBONITES; PLECTORTHIS;
RAFINESQUINA; RHYNCHOTREMA; STROPHOMENA; USA; ZYGOSPIRA

Carlson, R.C. & West, R.R.
    1987.  An Ordovician Fossiliferous Limestone and the Brachiopod 
Eoplectodonta (Eoplectodonta) clarksvillensis. The Compass (of Sigma Gamma 
Epsilon) (Provo), 64(3):136-146.
EOPLECTODONTA; HEBERTELLA; IN; LEPIDOCYCLUS; ORDOVICIAN;
RAFINESQUINA; STROPHOMENA; TAPHONOMY; USA

Case, E.C. & Robinson, W.I.
    1915.  The Geology of Limestone Mountain and Sherman Hill in Houghton 
County, Michigan. Journal of Geology (Chicago), 23(3):256-260. CHONETES; 
CLORINDA; CONCHIDIUM; DALMANELLA;
DEVONIAN; DINORTHIS; HEBERTELLA; LEPTAENA; MI; NIAGARAN;
ORBICULOIDEA; PENTAMERUS; PLATYSTROPHIA; PLECTORTHIS;
PRODUCTELLA; RAFINESQUINA; RHYNCHOTREMA; RICHMONDIAN; SPIRIFER;
USA

Chapman, F.
    1904.  On some Brachiopods and a Bivalve from Heathcote. Geological Survey 
of Victoria, Records, 1:222-226, Pl.21.
AUSTRALIA; BILOBITES; CAMBRIAN; CHONETES; HEBERTELLA; ORTHIS;
SIPHONOTRETA; STROPHOMENA

Clark, T.H.
    1924.  The Paleontology of the Beekmantown Series at Levis, Quebec. 
Bulletins of American Paleontology (Ithaca), 10(41):3-134, Pl.8. ACROTHELE; 
ACROTRETA; CAMBRIAN; CANADA;
DALMANELLA; ELKANIA; EOORTHIS; EUNOA; HEBERTELLA; IPHIDELLA;
LEPTELLA; LEPTOBOLUS; LINGULELLA; LINNARSSONELLA; MICROMITRA;
ORTHIDIUM; ORTHIS; PATERULA; QUEBEC; SIPHONOTRETA; SYNTROPHIA

Decker, C.E. & Merritt, C.A.
    1931.  The Stratigraphy and Physical Characteristics of the Simpson Group. 
Oklahoma Geological Survey Bulletin (Norman), 55:112 Pages. CAMERELLA; 
CLIFTONIA; CRANIA; DALMANELLA;
DINORTHIS; HEBERTELLA; LINGULA; OK; ORBICULOIDEA; ORDOVICIAN;
ORTHIS; PIONODEMA; PLAESIOMYS; PLECTAMBONITES; RAFINESQUINA;
RHYNCHOTREMA; SCHIZAMBON; SKENIDIUM; STRATIGRAPHY; STROPHOMENA;
USA; ZYGOSPIRA

Cuffey, C.A.
    1993.  Convergent Constructional Morphology among Articulate Brachiopods. 
Geological Society of America, Abstracts with Programs (Boulder), 25(6):54. 
ATRYPA; BASILIOLA; COMPOSITA;
CONVERGENCE; CYCLACANTHARIA; CYRTOSPIRIFER; CYRTOTHYRIS;
DAVIDSONINA; DERBYIA; DICOELOSIA; DICOELOSTROPHIA; FUNCTIONAL
MORPHOLOGY; HEBERTELLA; HERCOSIA; MEEKELLA; NEOCHONETES;
NEOSPIRIFER; PHYLOGENY; PLATYSTROPHIA; PSEUDOSYRINX; PYGOPE;
SCACCHINELLA; SCHIZOPHORIA; SOWERBYELLA; SPINATRYPA;
SYRINGOSPIRA; SYRINGOTHYRIS; TEGULIFERINA; TROPIDOLEPTUS

Dreyfuss, M.
    1948.  Contribution a l'etude geologique et paleontologique de 
l'Ordovicien superieur de la Montagne Noire. Societe geologique de France, 
Memoires (Paris), Mem.58, 27(2-3):1-63,
Pls.7-11. ANASTROPHIA; ASHGILLIAN; CAMAROTOECHIA; CARADOCIAN;
DALMANELLA; FRANCE; HARKNESSELLA; HEBERTELLA; LEPTAENA;
MERISTELLA; NICOLELLA; ORDOVICIAN; ORTHIS; PLAYFAIRIA;
PLECTAMBONITES; PLECTORTHIS; PORAMBONITES; RAFINESQUINA;
RHIPIDOMELLA; RHYNCHOTRETA; SCHIZOPHORELLA; SOWERBYELLA;
STROPHODONTA; STROPHOMENA

Dyer, W.S.    1925.  The Paleontology of the Credit River System. Ontario 
Department of Mines, Annual Report (Toronto), 32(7):47-88.
CANADA; CATAZYGA; CINCINNATIAN; HEBERTELLA; ONTARIO; ORDOVICIAN;
PLATYSTROPHIA; RAFINESQUINA; STROPHOMENA; TREMATIS; ZYGOSPIRA

Foerste, A.F.
    1903.  The Cincinnati Group in Western Tennessee Between the
Tennessee River and the Central Basin. Journal of Geology
(Chicago), 11(1):29-45. DALMANELLA; DINORTHIS; HEBERTELLA;
LEPTAENA; LINGULOPS; ORDOVICIAN; PLECTAMBONITES; RAFINESQUINA;
RHYNCHOTREMA; SILURIAN; STROPHOMENA; TN; USA

Foerste, A.F.
    1909.  Preliminary Notes on Cincinnatian and Lexington Fossils. Denison 
University, Scientific Laboratories, Bulletin (Granville), 14:289-324, Pls. 
7-11. CINCINNATIAN; CLITAMBONITES;
DALMANELLA; DINORTHIS; HEBERTELLA; IN; LEPTAENA; ORDOVICIAN;
RHYNCHOTREMA; STROPHOMENA; USA

Foerste, A.F.
    1914.  The Rogers Gap Fauna of Central Kentucky. Cincinnati
Society of Natural History, Journal, 21:109-156, Pls. 1-4.
CLITAMBONITES; ERIDORTHIS; HEBERTELLA; KY; LINGULA; ORDOVICIAN;
PLATYSTROPHIA; PROTOZYGA; SILURIAN; STROPHOMENA; USA; ZYGOSPIRA

Foerste, A.F.
    1916.  Upper Ordovician Formations in Ontario and Quebec. Geological 
Survey of Canada, Memoir (Ottawa), 83:1-279. CANADA;
CATAZYGA; CRANIA; DALMANELLA; GLYPTORTHIS; HEBERTELLA; LEPTAENA;
LEPTOBOLUS; LINGULA; ONTARIO; ORDOVICIAN; ORTHIS; PHOLIDOPS;
PLATYSTROPHIA; PLECTAMBONITES; QUEBEC; RAFINESQUINA;
RHYNCHOTREMA; SCHIZOCRANIA; STROPHOMENA; TREMATIS; ZYGOSPIRA

Foerste, A.F.
    1924.  Upper Ordovician Faunas of Ontario and Quebec. Geological Survey of 
Canada, Memoir (Ottawa), 138:1-255, Pls. 10-15. CANADA; CATAZYGA; CRANIA; 
DALMANELLA; GLYPTORTHIS;
HEBERTELLA; #HOLTEDAHLINA; LEPTAENA; LEPTOBOLUS; LINGULA;
ONTARIO; ORDOVICIAN; ORTHONOMAEA; PHOLIDOPS; PLATYSTROPHIA;
PLECTAMBONITES; QUEBEC; RAFINESQUINA; RHYNCHOTREMA; STROPHOMENA;
TREMATIS; 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

Hall, J.F.
    1963.  Fossils from the Middle Ordovician of the Independence Quadrangle, 
California. Journal of Paleontology (Lawrence), 37(5):1116-1119. CA; 
CAMERELLA; DINORTHIS; GLYPTORTHIS;
HEBERTELLA; LINGULA; LINGULASMA; ORDOVICIAN; PLATYSTROPHIA;
PTYCHOPLEURELLA; RESSERELLA; SOWERBYELLA; USA

Holland, S.M.
    1988.  Taphonomic Effects of Sea-Floor Exposure on an Ordovician 
Brachiopod Assemblage. Palaios (Lawrence), 3(6):588-597. CINCINNATIAN; 
HEBERTELLA; LEPTAENA; OH; ONNIELLA;
ORDOVICIAN; PETROCRANIA; PLATYSTROPHIA; RAFINESQUINA; TAPHONOMY;
TREMATIS; USA; ZYGOSPIRA

Holtedahl, O.
    1922.  An Upper Cambrian Fauna of Pacific Type in the European Arctic 
Region. American Journal of Science (New Haven), Ser.5, 3:343-348. ARCTIC; 
BILLINGSELLA; CAMBRIAN; EOORTHIS;
HEBERTELLA; HUENELLA; NOVAYA ZEMLYA; OBOLUS; PLATYSTROPHIA;
WESTONIA

Howe, H.J.
    1988.  Articulate Brachiopods from the Richmondian of Tennessee. Journal 
of Paleontology (Lawrence), 62(2):204-218.
AUSTINELLA; BIOMETRICS; DICEROMYONIA; GLYPTORTHIS; HEBERTELLA;
ONNIELLA; ORDOVICIAN; PAUCICRURA; PIONODEMA; PLAESIOMYS;
PLATYSTROPHIA; RAFINESQUINA; RETRORSIROSTRA; RICHMONDIAN;
STROPHOMENA; TETRAPHALERELLA; THAERODONTA; TN; USA; ZYGOSPIRA

Hussey, R.C.
    1926.  The Richmond Formation of Michigan. Michigan University, Museum of 
Geology, Contributions (Ann Arbor), 2(8):113-187, 11 Pls. DALMANELLA; 
DINORTHIS; HEBERTELLA; LINGULA;
MI; ORDOVICIAN; PLATYSTROPHIA; PLECTAMBONITES; RAFINESQUINA;
STROPHOMENA; TREMATIS; USA; ZYGOSPIRA

Kobluk, D.R. & Risk, M.J.
    1977.  Algal Borings and Framboidal Pyrite in Upper Ordovician 
Brachiopods. Lethaia (Oslo), 10(2):135-143.
HEBERTELLA; ORDOVICIAN; PLAESIOMYS; PREDATION

Ladd, H.S.
    1929.  The Stratigraphy and Palaeontology of the Maquoketa Shale of Iowa. 
Part 1. Iowa Geological Survey, Annual Report, 34:309-448, 17 Pls. DINORTHIS; 
GLYPTORTHIS; HEBERTELLA; IA;
ORDOVICIAN; PLAESIOMYS; RHYNCHOTREMA; STRATIGRAPHY; USA

Langenheim, R.L., Jr. et al.
    1956.  Middle and Upper (?) Ordovician Rocks of Independence Quadrangle, 
California. American Association of Petroleum Geologists Bulletin (Tulsa), 
40:2081-2097. BIOSTRATIGRAPHY; CA;
EURYSPIRIFER; GLYPTORTHIS; HEBERTELLA; ORDOVICIAN; ORTHIS;
PLECTAMBONITES; PTYCHOPLEURELLA; RESSERELLA; RHYSOSTROPHIA;
SOWERBYELLA; USA

Laurie, J.R.
    1991.  Ordovician Brachiopod Biostratigraphy of Tasmania. In: D.I. 
MacKinnon; D.E. Lee; & J.D. Campbell (Eds), Brachiopods Through Time, 
p.303-310. Rotterdam: A.A. Balkema. APATOMORPHA;
APHEOORTHIS; APORTHOPHYLA; ARCHAEORTHIS; AUSTRALIA; AZAMELLA;
BELLIMURINA; BIOSTRATIGRAPHY; CHAGANELLA; CRYPTOSPIRA;
DACTYLOGONIA; DINORTHIS; EOSPIRIFER; HALLINA; HEBERTELLA;
HESPERONOMIELLA; HESPERORTHIS; HIRNANTIA; HOLTEDAHLINA; ISORTHIS;
KINNELLA; LEPIDOMENA; LEPTELLA; LEPTELLINA; MACROCOELIA;
MAYDENELLA; MURINELLA; NANORTHIS; OEPIKINA; ONNIELLA; ORDOVICIAN;
OVALELLA; PROTOZYGA; PTYCHOPLEURELLA; RAILTONELLA; RHYNCHOTREMA;
SKENIDIOIDES; SOWERBYELLA; SOWERBYITES; STROPHOMENA;
SYNTROPHOPSIS; TAFFIA; TASMANELLA; TASMANIA; TASMANORTHINAE;
TASMANORTHIS; TERATELASMELLA; TRITOECHIA; WESTONIA

Makarychev, G.I.
    1957.  (Stratigraphy of Proterozoic and Lower Palaeozoic Deposits of the 
Great Karetau.). Biulleten Moskovskogo Obshchestva Ispytatelei Prirody (MOIP), 
Otdelenie Geologicheskii(Moscow), 32(4):83-104. HEBERTELLA; ORDOVICIAN; 
STRATIGRAPHY;
USSR

Ockerman, J.W.
    1926.  Fauna of the Galena Limestone near Appleton. Wisconsin Academy of 
Sciences, Arts and Letters, Transactions (Madison), 22:99-142, 3 Pls. 
DALMANELLA; DINORTHIS; HEBERTELLA; LINGULA;
ORDOVICIAN; ORTHIS; PLATYSTROPHIA; PLECTAMBONITES; PLECTORTHIS;
RAFINESQUINA; RHYNCHOTREMA; STROPHOMENA; USA; WI; ZYGOSPIRA

Raymond, P.E.
    1905.  The Fauna of the Chazy Limestone. American Journal of Science (New 
Haven), Ser.4, 20:353-382. CAMAROTOECHIA; CHAZYAN;
HEBERTELLA; LINGULA; NY; ORDOVICIAN; ORTHIDIUM; ORTHIS;
PLAESIOMYS; STROPHOMENA; USA

Reed, F.R.C.
    1897.  The Fauna of the Keisley Limestone Pt. II. Conclusion. Geological 
Society of London, Quarterly Journal, 53:67-77, 1 Pl.
ATRYPA; ATRYPINA; BILOBITES; CAMERELLA; CHRISTIANIA; DALMANELLA;
DAYIA; DINORTHIS; HEBERTELLA; HETERORTHIS; HYATTELLA; IRELAND;
LEPTAENA; LINGULA; OBOLELLA; ORBICULOIDEA; ORDOVICIAN; ORTHIS;
PLATYSTROPHIA; PLECTAMBONITES; RAFINESQUINA; RHYNCHOTREMA;
STREPTIS; STROPHOMENA; SYNTROPHIA; TRIPLESIA

Reed, F.R.C.
    1917.  The Ordovician and Silurian Brachiopoda of the Girvan
District. Royal Society of Edinburgh, Transactions,
51(4):795-998, Pls. 1-24. ACROTHELE; ACROTRETA; ATRYPA; ATRYPINA;
BARRANDELLA; BILOBITES; BRACHYPRION; CAMAROTOECHIA; CAMERELLA;
CHONETES; CHRISTIANIA; CLIFTONIA; CLINTONELLA; CLITAMBONITES;
COELOSPIRA; CONOTRETA; CYCLOSPIRA; CYRTIA; DALMANELLA; DAYIA;
DINOBOLUS; DINORTHIS; EICHWALDIA; #EOCHONETES; GLASSIA;
#HARKNESSELLA; HEBERTELLA; HEMIPRONITES; HETERORTHIS;
HOMOEOSPIRA; LEPTAENA; LEPTELLA; LEPTOSTROPHIA; LINGULA;
LINGULASMA; MERISTELLA; #METACAMARELLA; MICROMITRA; MIMULUS;
#NICOLELLA; NUCLEOSPIRA; OBOLUS; ORBICULOIDEA; ORDOVICIAN;
ORTHIS; ORTHORHYNCHULA; PARASTROPHIA; PATERINA; PATERULA;
PENTAMERUS; PHILHEDRA; PHOLIDOPS; PLATYSTROPHIA; #PLAYFAIRIA;
PLECTAMBONITES; PLECTORTHIS; PORAMBONITES; PROTORHYNCHA;
PROTOZYGA; PSEUDOCRANIA; RAFINESQUINA; RHIPIDOMELLA;
RHYNCHOSPIRA; RHYNCHOTREMA; RHYNCHOTRETA; RHYNOBOLUS; SCHIZAMBON;
SCHIZOCRANIA; #SCHIZOPHORELLA; SCHIZOTRETA; SCHUCHERTELLA;
SCOTLAND; SILURIAN; SIPHONOTRETA; SKENIDIUM; SPIRIFER; STREPTIS;
STRICKLANDINIA; STROPHODONTA; STROPHOMENA; STROPHONELLA;
TREMATIS; TRIPLESIA; WHITFIELDELLA; ZYGOSPIRA

Reed, F.R.C.
    1952.  Revision of Certain Ordovician Fossils from County Tyrone. Royal 
Irish Academy, Proceedings, (B), 55(3):29-135, 5 Pls. ACTINOMENA; AEGIRIA; 
APATORTHIS; BILOBITES; BIMURIA;
BRACHYPRION; CHRISTIANIA; CONOTRETA; DOLERORTHIS; EOPLECTODONTA;
GLYPTORTHIS; HEBERTELLA; HESPERORTHIS; IRELAND; KJERULFINA;
LEANGELLA; LEPTAENA; LEPTELLOIDEA; LINGULA; LINGULASMA;
OEHLERTELLA; ONNIELLA; ORBICULOIDEA; ORDOVICIAN; ORTHIS;
PLAESIOMYS; PLECTATRYPA; PLECTORTHIS; PROTOZEUGA; PTYCHOGLYPTUS;
RAFINESQUINA; RHYNCHOTREMA; SAMPO; SCHIZOPHORELLA; SKENIDIOIDES;
SKENIDIUM; SOWERBYELLA; STROPHODONTA

Roomusoks, A.K.
    1964.  Nekotorye brakhiopody iz ordovika Estonii. (Some Brachiopods from 
the Ordovician of Estonia.). Tartu Riikliku Ulikooli Toimetised, Uchenye 
Zapiski, 153:3-28, 3 Pls.
CYCLOSPIRA; ESTONIA; GLYPTORTHIS; HEBERTELLA; HYPSIPTYCHA;
ONYCHOPLECIA; ORDOVICIAN; PARALLELELASMA; PTYCHOPLEURELLA;
ROSTRICELLULA; STENOCAMARA

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

Rusconi, C.
    1951.  Fosiles Cambricos de Salagasta, Mendoza. Anales de la Sociedad 
Cientifica Argentina (Buenos Aires), 152(6):255-264.
ARGENTINA; CALLIGLYPHA; CAMBRIAN; EOORTHIS; FINKELNBURGIA;
HEBERTELLA; MENDOZA; OBOLELLA; ORTHIS; ORUSIA; OTUSIA;
PLECTORTHIS; PRODUCTORTHIS; RAFINESQUINA; SYNTROPHINA; WESTONIA

Rusconi, C.
    1952.  Los Fosiles Cambricos de Salagasta, Mendoza. Museo de Historia 
Natural de Mendoza, Revista, 6(1-4):19-62, 4 Pls.
ARGENTINA; CALLIGLYPHA; CAMBRIAN; EOORTHIS; FINKELNBURGIA;
HEBERTELLA; MENDOZA; OBOLELLA; ORTHIS; ORUSIA; OTUSIA;
PLECTORTHIS; PRODUCTORTHIS; RAFINESQUINA; SYNTROPHINA; WESTONIA

Savage, T.E.
    1917.  The Thebes Sandstone and Orchard Creek Shale and their
Faunas in Illinois. Illinois State Academy of Science,
Transactions (Springfield), 10:261-275, 1 Pl. HEBERTELLA; IL;
LINGULA; ORDOVICIAN; SILURIAN; USA

Schuchert, C.
    1900.  On the Lower Silurian (Trenton) Fauna of Baffin Land. United States 
National Museum, Proceedings (Washington, DC), 22(1192):143-177, Pls. 12-14. 
ARCTIC; BAFFIN ISLAND; CANADA;
DALMANELLA; DINORTHIS; HEBERTELLA; ORTHIS; PARASTROPHIA;
PLATYSTROPHIA; PLECTORTHIS; RHYNCHOTREMA; SILURIAN; TRENTONIAN

Simmons, G.C. & Oliver, W.A., Jr.
    1966.  Otter Creek Coral Bed and its Fauna, East-Central Kentucky. United 
States Geological Survey Bulletin (Reston), 1244-F:1-13. HEBERTELLA; KY; 
LEPIDOCYCLUS; ORDOVICIAN;
PLAESIOMYS; PLATYSTROPHIA; RAFINESQUINA; STROPHOMENA; USA;
ZYGOSPIRA

Simmons, G.C. & Oliver, W.A., Jr.
    1966.  Otter Creek Coral Bed and its Fauna, East-Central Kentucky. United 
States Geological Survey Bulletin (Reston), 1244-F:1-13. HEBERTELLA; KY; 
LEPIDOCYCLUS; ORDOVICIAN;
PLAESIOMYS; PLATYSTROPHIA; RAFINESQUINA; STROPHOMENA; USA;
ZYGOSPIRA

Whiteaves, J.F.
    1899.  Recent Discovery of Rocks of the Age of the Trenton Formation at 
Akpatok Island, Ungava Bay, Ungava. American Journal of Science (New Haven), 
Ser.4, 7:433-434. AKPATOK ISLAND; CANADA;
DALMANELLA; DINORTHIS; HEBERTELLA; LEPTAENA; ORTHIS;
PLATYSTROPHIA; PLECTAMBONITES; RAFINESQUINA; RHYNCHOTREMA;
SILURIAN; UNGAVA BAY

Wilson, A.E.
    1926.  An Upper Ordovician Fauna from the Rocky Mountains, British 
Columbia. Geological Survey of Canada, Bulletin (Ottawa), Geol. Ser. 46, 
44:1-34, Pls. 1-5. BRITISH COLUMBIA; CANADA;
DINORTHIS; HEBERTELLA; LINGULA; ORDOVICIAN; ORTHIS; #PETRORIA;
PLECTAMBONITES; PLECTORTHIS; RHYNCHOTREMA

Wilson, A.E.
    1932.  Ordovician Fossils from the Region of Cornwall, Ontario. Royal 
Society of Canada, Transactions (Ottawa), Ser.3, Sect.4, 26:373-404, 6 Pls. 
CAMAROTOECHIA; CANADA; CLITAMBONITES;
#CORNWALLIA; DALMANELLA; DINORTHIS; HEBERTELLA; LEPTAENA;
ONTARIO; ORDOVICIAN; PLATYSTROPHIA; RAFINESQUINA; RHYNCHOTREMA;
SOWERBYELLA; STROPHOMENA; #TRIPLECELLA

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

Winchell, N.H. & Schuchert, C.
    1895.  The Lower Silurian Brachiopoda of Minnesota. Geological and Natural 
History Survey of Minnesota, Final Report, 3(1):333-474, 6 Pls. ANASTROPHIA; 
#CLITAMBONITACEA;
CLITAMBONITES; CRANIA; CRANIELLA; CYCLOSPIRA; DALMANELLA;
DINOBOLUS; DINORTHIS; GLOSSINA; HALLINA; HEBERTELLA; LEPTAENA;
LEPTOBOLUS; LINGULA; LINGULASMA; MN; ORBICULOIDEA; ORDOVICIAN;
ORTHIS; PHOLIDOPS; PLATYSTROPHIA; PLECTAMBONITES; PLECTORTHIS;
RAFINESQUINA; RHYNCHOTREMA; SCHIZAMBON; SCHIZOCRANIA;
SCHIZOTRETA; SILURIAN; SIPHONOTRETA; SKENIDIUM; STROPHOMENA;
TREMATIS; TRIPLESIA; USA; ZYGOSPIRA

Wright, A.D.
    1964.  The Fauna of the Portrane Limestone, II. British Museum (Natural 
History), Bulletin (Geology) (London), 9(6):157-256, 11 Pls. BANCROFTINA; 
DALMANELLA; DICOELOSIA;
DOLERORTHIS; GLYPTORTHIS; HEBERTELLA; HESPERORTHIS; IRELAND;
ISORTHIS; KULLERVO; LATICRURA; MCEWANELLA; NICOLELLA; ORDOVICIAN;
ORTHAMBONITES; OXOPLECIA; PLAESIOMYS; PLATYSTROPHIA; PLECTORTHIS;
#PORTRANELLA; PTYCHOPLEURELLA; REUSCHELLA; RHACTORTHIS;
#SAUKRODICTYA; SAUKRODICTYIDAE; SCAPHORTHIS; SCHIZOPHORELLA;
SCHIZOPHORIA; SKENIDIOIDES; #SPINORTHIS; STREPTIS; TAPHRORTHIS;
TRIPLESIA; VELLAMO

Wright, T.O. & Caldemeyer, R.D.
    1977.  Invertebrate Fossils from Shochary Ridge, Berks and Lehigh 
Counties, Pennsylvania. Pennsylvania Academy of Science Proceedings 
(University Park), 51(2):153-156. HEBERTELLA;
ORDOVICIAN; PA; PLAESIOMYS; PLECTORTHIS; RAFINESQUINA;
RESSERELLA; SOWERBYELLA; USA