Lower ordovician conodonts from Argentina = Conodontes de l'Ordovicien inférieur d'ArgentineHÜNICKEN, M. A; SUAREZ RIGLOS, M; SARMIENTO, G et al.International symposium on the Ordovician System. 4. 1982, 25Conference Paper

Arenig trace fossils from the Salamanca area, western Spain = Fossiles traces de l'Arenigien dans la Région de Salamanque, Espagne OuestPICKERILL, R. K; ROMANO, M; MELENDEZ, B et al.Geological journal (Chichester). 1984, Vol 19, Num 3, pp 249-269, issn 0072-1050Article

Early Ordovian polyplacophoran Chelodes whitehousei from Tarutao Island, southern Thailand = Chelodes whitehousei (Polyplacophora) de l'Ordovicien inférieur de l'Ile Tarutao, sud de la ThaïlandeSTAIT, B; BURRETT, C.Alcheringa (Sydney). 1984, Vol 8, Num 1-2, issn 0311-5518, 112Article

The graptolite faunas of the Lower Ordovician Hunneberg substage = Les faunes de graptolites du sous-étage Hunneberg (Ordovicien inférieur)LINDHOLM, K.Mezhdunarodnyj geologicheskij kongress. 27. 1984, pp 102-103Conference Paper

Preservation of the name Canadian (Lower Ordovician) = Préservation du terme Canadien (Ordovicien inférieur)TEICHERT, C; FLOWER, R. H.Newsletters on stratigraphy. 1983, Vol 12, Num 3, pp 162-165, issn 0078-0421Article

BRACHIOPODES DE LA SERIE DU KURAGAN (ORDOVICIEN) DE L'OURAL SUD.ANDREEVA ON.1972; PALEONTOL. ZH; SUN; 1972, NUM. 0001, P. 45 A 56Miscellaneous

ALGAL MOUNDS IN THE UPPER STONEHENGE FORMATION OF THE BEEKMANTOWN GROUP (LOWER ORDOVICIAN) OF PENNSYLVANIAMANNS FT; GOODWIN PW.1972; GEOL. SOC. AMER., ABSTR. PROGRAMS; U.S.A. ; 1972, VOL. 4, NUM. 0001, P. 29Serial Issue

THE TREMADOC ROCKS OF THE TORTWORTH INLIER,GLOUCESTERSHIRE.CURTIS MLK.1968; PROC. GEOLOGIST'S ASS.; GBR; 1968(11), VOL. 79, NUM. 003 , P. 349 A 362Miscellaneous

A REJOINDER FROM GOESTA ARMANDSARMANDS G.1972; GEOL. FOEREN. STOCKHOLM FOERH.; SVERIGE ; 1972, VOL. 94, NUM. 0003, P. 473 A 474Serial Issue

KORRELYATSIYA RAZREZOV CHUN'SKOJ SVITY NIZHNEGO ORDOVIKA V STRATOTIPICHESKOJ MESTNOSTI (TUNGUSSKAYA SINEKLIZA) = CORRELATION DES COUPES DE LA SERIE DE CHUNA, ORDOVICIEN INFERIEUR DES ENDROITS A STRATOTYPES (SYNECLISE DE TOUNGOUSKA)ABAIMOVA GP; YADRENKINA AG; SYCHEV OV et al.1981; SBORNIK NAUCNYH TRUDOV - SIBIRSKIJ NAUCNO-ISSLEDOVATEL'SKIJ INSTITUT GEOLOGII, GEOFIZIKI I MINERAL'NOGO SYR'JA; ISSN 0583-1822; SUN; DA. 1981; NO 287; PP. 27-33; BIBL. 13 REF.Article

BIOSTRATIGRAPHY OF THE LOWER ORDOVICIAN SEQUENCE AT SKATTUNGBYN,DALARNA.(ABSTRACT).BERGSTROEM SM.1968; GEOL. FOEREN. STOCKHOLM FOERH.; SWE; 1968(9), VOL. 90, NUM. 0534-003Miscellaneous

ON THE NATURE OF THE HOLOTYPE OF NIPTERELLA PARADOXICA (BILLINGS).NITECKI MH.1968; FIELDIANA, GEOL.; USA; 1968(12), VOL. 16, NUM. 0011, P. 289 A 295Miscellaneous

TREMADOC AND ARENIG OF NORTH-EASTERN POLAND AND THEIR SIGNIFICANCE TO THE ADJACENT AREAS.ZNOSKO J; SZYMANSKI B.1968; INST. GEOL., BIUL.; POL; 1968, VOL. 13, NUM. 0237, P. 29 A 37Miscellaneous

Découverte d'une algue ordovicienne Nuia siberica, en ChineHUANG ZHI-CHENG; BIAN LI-ZHEN.Gǔshēngwùxué bào. 1983, Vol 22, Num 1, pp 61-65, issn 0001-6616Article

Graptolite evolution and ecostratigraphy during the early Ordovician = Evolution des graptolites et écostratigraphie de l'Ordovicien inférieurERDTMANN, B.-D.International symposium on the Ordovician System. 4. 1982, 17Conference Paper

Chinitozoa from the Fenshiang, Hunghuayuan and Dawan formations of Huanghuachang Yichang, Hubei = Chitinozoaires des formations Fenshiang, Hunghuayuan et Dawan à Huanghuachang, Yichang, HubeiGENG LIANG-YU.Stratigraphy and palaeontology of systemic boundaries in China Ordovician-Silurian boundary. Symposium. 1984, pp 509-517Conference Paper

Subarkosic flysch in the Caledonides of Western Mongolia = Le flysch subarkosique des Calédonides de Mongolie occidentaleVOZNESENSKAYA, T. A.Lithology and mineral resources. 1980, Vol 15, Num 4, pp 352-362, issn 0024-4902Article

Graptolites de la zone à Tetragraptus (Etagraptus) approximatus de la base de la Formation Ningkuo à Yushan, NE du JiangxiCHENXU; YANG DA-QUAN; HAN NAI-REN et al.Gǔshēngwùxué bào. 1983, Vol 22, Num 3, pp 324-330, issn 0001-6616Article

Graptolites de l'Ordovicien inf, de la bordure est du plateau Qinghai-XizangLIN YAO-KUN; CHEN XU.Stratigraphy and Palaeontology in W. Sichuan and E. Xizang, China. 1982, pp 309-322Book Chapter

Microflore de l'ordovicien inf. de la formation Dawan, à Huanghuachang, près de YichangZHONG GUOFANG.1981, pp 118-124, issn 0254-5063, no. specArticle

Trilobites de l'Ordovicien inf., formation Yinchufu, à Jiangshan, Zhejiang ouestHAN NAI-REN.Gǔshēngwùxué bào. 1983, Vol 22, Num 5, pp 571-576, issn 0001-6616Article

A NEW ANISOGRAPTUS FAUNULE FROM THE GOODWIN FORMATION (TREMADOC, EARLY ORDOVICIAN) OF CENTRAL NEVADA AND THE CAMBRIAN-ORDOVICIAN BOUNDARY = UNE NOUVELLE FAUNULE ANISOGRAPTUS DE LA FORMATION GOODWIN (TREMADOC, ORDOVICIEN INFERIEUR) DU CENTRE DU NEVADA ET LA LIMITE CAMBRIEN-ORDOVICIENERDTMANN BD; COMEAU DJ.1980; J. PALEONTOL.; ISSN 0022-3360; USA; DA. 1980; VOL. 54; NO 4; PP. 719-727; BIBL. 26 REF.Article

STORM-INFLUENCED MARINE SANDSTONES IN THE ORDOVICIAN LOWER HOVIN GROUP, NORD-TROENDELAG = GRES MARINS AVEC INFLUENCE DE TEMPETES DANS LE GROUPE HOVIN INFERIEUR ORDOVICIEN, NORD-TROENDELAGBULLER AT; JOHNSEN SO.1982; NORSK GEOLOGISK TIDSSKRIFT; ISSN 0029-196X; NOR; DA. 1982; VOL. 62; NO 3; PP. 211-217; BIBL. 17 REF.Article

Des trilobites Alsataspididae de l'Ordovicien inférieur de Ziyang, Shaanxi méridionalDENG SI-CHENG; ZHAO LIAN-CHENG; WU CHONG-ZHANG et al.Gǔshēngwùxué bào. 1986, Vol 25, Num 1, pp 93-96, issn 0001-6616Article

La séquence de graptolites de l'Ordovicien basal d'Hunjiang, ChineWANG XIAOFENG; EDRTMANN, B.-D.Dìzhìxué bào. 1986, Vol 60, Num 3, pp 226-236, issn 0001-5717Article