Late Ordovician extinctions of bryozoans = Extinction des bryozoaires à la fin de l'OrdovicienTUCKEY, M. E; ANSTEY, R. L.Lethaia (Oslo. Trykt utg.). 1992, Vol 25, Num 1, pp 111-117, issn 0024-1164Article

The trace fossil Thalassinoides from the upper Ordovician of TuvaKULKOV, N. P.Lethaia (Oslo. Trykt utg.). 1991, Vol 24, Num 2, pp 187-189, issn 0024-1164, 3 p.Article

Chitinozoan stratigraphy in the Ashgill and Llandovery = Stratigraphie de l'Ashgill et du Llandovery à partir des chitinozoairesGRAHN, Y.Bulletin of the British Museum, Natural History. Geology. 1988, Vol 43, pp 317-323, issn 0007-1471Article

Brachiopods across the Ordovician-Silurian boundary = Les brachiopodes à la limite Ordovicien-SilurienCOCKS, L. R. M.Bulletin of the British Museum, Natural History. Geology. 1988, Vol 43, pp 311-315, issn 0007-1471Article

Nakhodka verkhneordovikskikh otlozheniya na yuzhnom uraleKORINEVSKIJ, V. G; APOLLONOV, M. K; MOSKALENKO, T. A et al.Doklady Akademii nauk SSSR. 1986, Vol 291, Num 5, pp 1196-1199, issn 0002-3264Article

Late Ordovician extinctions and sea-level changeWYATT, A. R.Journal of the Geological Society (London). 1995, Vol 152, pp 899-902, issn 0016-7649, 6Article

Late Ordovician graptolites from Sardinia: a preliminary recordLEONE, F; MENGHI, L; SERPAGLI, E et al.Bollettino della Società paleontologica italiana. 1993, Vol 32, Num 3, pp 411-414, issn 0375-7633Article

Classification of uppermost Ordovician to lower Devonian tubular and filamentous macerals from the Anglo-Welsh BasinBURGESS, N. D; EDWARDS, D.Botanical journal of the Linnean Society. 1991, Vol 106, Num 1, pp 41-66, issn 0024-4074Article

Opsimasaphus kielanae sp. n., (Trilobita) from the Upper Ordovician of the Barrandian area, CzechoslovakiaPEK, I; PROKOP, R.Časopis pro mineralogii a geologii. 1990, Vol 35, Num 4, pp 421-424, issn 0008-7378, 4 p.Article

The late Ordovician carbonate sedimentation as a major triggering factor of the Hirnantian glaciationVILLAS, E; VENNIN, E; ALVARO, J. J et al.Bulletin de la Société géologique de France. 2002, Vol 173, Num 6, pp 569-578, issn 0037-9409, 10 p.Article

Analyse taphonomique et sédimentologique des séquences génétiques de la partie sommitale (membre de Bruncu de Is Mallorus) de la formation de Punta Serpeddi (Sardaigne SE) = Taphonomic and sedimentological analysis of the genetic sequences from the uppermost part (Bruncu of Is Mallorus member) of the Punta Serpeddi Formation (SE Sardinia)DESSANAY, S; LEONE, F; LOI, A et al.Réunion des Sciences de la Terre. 1998, p. 103Conference Paper

Ordovisiyen sonunda buzullasma, fauna toplulugu ve Iapetus Okyanusunda Türkiye'nin yeri = Late ordovician glaciation, faunal assemblage and the place of Turkey in Iapetus oceanSAYAR, C.Türkiye jeoloji kurultayi bildiri özleri. 1994, Vol 47, issn 1019-0821, p.38Conference Paper

A homoeomorph of the articulate brachiopod Dicoelosia from the Upper Ordovician Hulterstad fauna of Öland, SwedenWRIGHT, A. D.Geologiska foereningens i Stockholm foerhandlingar. 1993, Vol 115, pp 65-75, issn 0016-786X, 1Article

Mode de développement de Didymograptus (Expansograptus) praenuntius TörnquistHAN NAI-REN; ZHOU YOU-MIN.Gǔshēngwùxué bào. 1990, Vol 29, Num 2, pp 250-255, issn 0001-6616Article

Trace fossils from the Zahorany formation (Upper Ordovician, Bohemia)MIKULAS, R.Acta Universitatis Carolinae. Geologica. 1990, Num 3, pp 307-335, issn 0001-7132Article

Pozdneordovikskie khitinozoi i skolekodonty Vostochnogo KazakhstanaKLENINA, L.N.1989, Vol 32, pp 232-249Article

Upper ordovician cliefdenellids (Porifera : sphinctozoa) from China = Cliefdenellidae (Porofera : Sphinctozoa) de l'ordovicien supérieur de ChineWEBBY, B.D; LIN BAOYU.Geological magazine. 1988, Vol 125, Num 2, pp 149-159, issn 0016-7568Article

Ashgill sediments between Plynlimon and Machynleth, West Central Wales = Les sédiments de l'Ashgill entre Plynlimon et Machynlleth, Pays de Galles centre-ouestJAMES, D.M.D.1987, Vol 10, Num 4, pp 265-279, issn 0025-990XArticle

Novye dannye ob ehokrinoideyakh s ploskoj tekojROZHNOV, S. V.Doklady Akademii nauk SSSR. 1987, Vol 295, Num 4, pp 965-968, issn 0002-3264Article

Différenciation faunique, bio- et lithofaciès de l'Ordovicien supérieur (Ashgill) en Chine du SudRONG JIA-YU; CHEN XU.Gǔshēngwùxué bào. 1987, Vol 26, Num 5, pp 507-535, issn 0001-6616Article

Coraux Tabulata de l'Ordovicien supérieur de Xinjiang et NingxiaLIN BAOYU; HUANG HONGPING.Zhōngguó dìzhì kēxuéyuàn yuànbào. 1986, Num 12, pp 127-156, issn 0254-3176Article

Preliminary report on Upper Ordovician (Mid-Ashgillian) brachiopoda from Yushan, northeastern Jiangxi (Eastern China) = Rapport préliminaire sur les brachiopodes de l'Ordovicien supérieur (Ashgill moyen) de Yushan, NE du Jiangxi (Chine de l'Est)JIA-YU RONG; NAI-REN HAN.Congrès international sur les brachiopodes. 1. 1986, Num 4, pp 485-490, issn 0295-0146Conference Paper

Trace fossils from the Kosov Formation of the Bohemian Upper OrdovicianMIKULAS, R.Sborník geologickćh věd. Paleontologie. 1992, Num 32, pp 9-54, issn 0036-5297Article

IGCP 328; late Ordovician-early Silurian microvertebrate distribution for testing Paleozoic paleogeography hypothesesTURNER, S.Paléogéographies et biogéographies de l'Europe occidentale au Paléozoïque. Congrès. 1992, p. 78Conference Paper

Trilobites from the Upper Ordovician Tangtou Formation, Jiangsu Province, China = Les trilobites de la formation Tangtou, Ordovicien supérieur, province du Jiangsu, ChineTRIPP, R. P; ZHIYI ZHOU; ZHENQIN PAN et al.Transactions of the Royal Society of Edinburgh. Earth sciences. 1989, Vol 80, pp 25-68, issn 0263-5933, 1Article