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

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

Chitinozoaires de la Formation Wufeng (Ashgill) de la région de YangtzéQIAN ZE-SHU; GENG LIANG-YU.1989, Vol 6, Num 1, pp 45-64, issn 1000-0674Article

O formakh rosta vodoroslej Rhabdoporella Stolley, 1893 (Dasycladacae)SALTOVSKAYA, V. D.1986, Num 28, pp 145-151Article

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

A new crinoid from the Ashgill Starfish bed, Threave GlenDONOVAN, S.K.Scottish Journal of Geology. 1992, Vol 28, Num 2, pp 123-126, issn 0036-9276Article

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

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

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

Costitrimerella, a new genus of trimerelloid brachiopod from Huangnekang Formation (Early Ashgill), Jiangshan, Western Zhejiang, East ChinaRONG JIA-YUONGG; LI LUO-ZAHOONGG.Gǔshēngwùxué bào. 1993, Vol 32, Num 2, pp 129-140, issn 0001-6616Article

Brachiopod zoogeography across the Ordovician-Silurian extinction eventSHEEHAN, P.M; COOROUGH, P.J.Symposium on Palaeozoic biogeography and palaeogeography. 1990, Num 12, pp 181-187, issn 0435-4052, 7 p.Conference Paper

Tashanomena, a new strophomenoid genus from Middle Ashgill rocks (Ordovician) of Xiazhen, Yushan, NE Jiangxi, East ChinaZHAN REN-BINNNGG; RONG JIA-YUNNNGG.Gǔshēngwùxué bào. 1994, Vol 33, Num 4, pp 416-428, issn 0001-6616Article

El Paleozoic del Massis de Begur, Girona = The Paleozoic of the Begur massif, GironaROQUE, C; PALLI, L.1991, Vol 17, pp 91-100, issn 0213-5930Article

The Ordovician-Silurian boundary in South America = La limite Ordovicien-Silurien en Amérique du SudBOUCOT, A. J.Bulletin of the British Museum, Natural History. Geology. 1988, Vol 43, pp 285-290, issn 0007-1471Article

Le passage Ordovicien-Silurien et la partie inférieure du Silurien (Sud-Est du Massif armoricain, France) = The Ordovician-Silurian transition and the lower part of the Silurian (southeastern Armorican Massif, France)PICARRA, José Manuel; ROBARDET, Michel; BOURAHROUH, Ahmed et al.Comptes rendus. Géoscience. 2002, Vol 334, Num 16, pp 1177-1183, issn 1631-0713, 7 p.Article

Caractérisation des horizons manganésifères de l'Ordovicien supérieur de Sardaigne : relation avec la glaciation fini-ordovicienne = Characterization of Upper Ordovician Mn-layers of Sardinia : relationships with the Late Ordovician glaciationGHIENNE, Jean-Francois; BARTIER, Danièle; LEONE, Francesco et al.Comptes rendus de l'Académie des sciences. Série 2. Sciences de la terre et des planètes. 2000, Vol 331, Num 4, pp 257-264, issn 1251-8050Article

Modalites d'enregistrement d'une glaciation ancienne exemple de la glaciation fini-ordovicienne sur la plate-forme nord-gondwanienne en Afrique de l'Ouest = Record modalities of an ancient glaciation example of the tardi-Ordovician glaciation on the North-Gondwana shelf in Western AfricaGHIENNE, J.-F.ASF Association des sédimentologistes français. 1999, pp 167-168, issn 0990-3925, isbn 2-907205-32-3Conference Paper

A new Hirnantia fauna from Thailand and the biogeography of the latest Ordovician of South-East AsiaCOCKS, L. R. M; FORTEY, R. A.Géobios. Mémoire spécial. 1997, Num 20, pp 117-126, issn 0293-843XConference Paper

Caradoc through Early Ashgill Brachiopods from the Central-Iberian zone (central Spain)VILLAS, E.Geobios (Lyon). 1995, Vol 28, Num 1, pp 49-84, issn 0016-6995Article

Kassinella-Christiania associations in the early Ashgill Foliomena brachiopod faun a of South China = Les associations Kassinella-Christiania dans la faune à brachiopodes Foliomena de l'Ashgill inférieurRONG JIA-YU; HARPER, D. A. T; ZHAN REN-BIN et al.Lethaia (Oslo. Trykt utg.). 1994, Vol 27, Num 1, pp 19-28, issn 0024-1164Article

Late Ordovician-Early Silurian glaciofluvial deposits preserved in palaeovalleys in South JordanPOWELL, J. H; BASIM KHALIL MOH'D; AHMED MASRI et al.Sedimentary geology. 1994, Vol 89, Num 3-4, pp 303-314, issn 0037-0738Article

The cephalopod fauna of the Killey Bridge Formation (Ordovician, Ashgill), Pomeroy, County TyroneEVANS, D. H.Irish journal of earth sciences. 1993, Vol 12, pp 155-189, issn 0790-1763Article

The anatomy of the solute Girvanicystis batheri (?Chordata) from the upper Ordovician of Scotland and a new species of Girvanicystis from the upper Ordovician of South WalesDALEY, P. E. J.Zoological journal of the Linnean Society. 1992, Vol 105, Num 4, pp 353-375, issn 0024-4082Article