THE STRATIGRAPHIC DISTRIBUTION OF THE ORDOVICIAN INARTICULATE BRACHIOPOD ORTHISOCRANIA DIVARICATA (M'COY) IN THE BRITISH ISLES.WRIGHT AD.1970; GEOL.MAG.,G.B.; 1970(3), VOL. 107, NUM. 2, P. 97 A 103Miscellaneous

Palaeohystrichosphaeridium wimani (EISENACK 1968) n. g. - ein ordovizischer Dinoflaggellat? = Palaeohystrichosphaeridium wimani (EISENACK 1968) n. g. - un dinoflagellé de l'Ordovicien? = Palaeohystrichosphyeridium wimani (EISENACK 1968) n. g. - an Ordovician dinoflagellate?EISERHARDT, K. -H.Neues Jahrbuch für Geologie und Paläontologie. Monatshefte. 1986, Num 3, pp 175-191, issn 0028-3630Article

Anx g. n., a minute brachiopod of the Lingulacea = Anx n. gen., petit LingulaceaHAVLICEK, V.Věstník Ústředního ústavu geologického. 1980, Vol 55, Num 5, pp 301-304, issn 0042-4730Article

POSITION SYSTEMATIQUE DU GENRE PRAGNELLIA.BONDARENKO OB.1969; PALEONTOL. ZH; SUN; 1969(12), NUM. 0004, P. 105 A 107Miscellaneous

REDESCRIPTION OF COTYPES OF PERONOPORA VERA ULRICH, A CINCINNATIAN (LATE ORDOVICIAN) ECTOPROCT SPECIES.ANSTEY RL; PERRY TG.1969; J. PALEONTOL.; USA; 1969(3), VOL. 43, NUM. 0002, P. 245 A 251Miscellaneous

A REVISION OF WIMAN'S DENDROID AND TUBOID GRAPTOLITES.BULMAN OMB; RICKARDS RB.1967; BULL. GEOL. INST. UNIV. UPPSALA; SWE; 1967, VOL. 43, NUM. 0006, P. 1 A 72Miscellaneous

THE UPPER ORDOVICIAN OF ALABAMA (ABSTRACT).NEATHERY TL; DRAHOVZAL JA; DOROTHY ER et al.1969; GEOL. SOC. AMER., ABSTR. PROGRAMS; USA; 1969(11), NUM. 007Miscellaneous

UNTERGATTUNGEN DER OSTRAKODENGATTUNG PLATYBOLBINA (SOUS-GENRE DU GENRE OSTRACODE PLATYBOLBINA).SCHALLREUTER R.1969; GEOLOGIE; DDR; 1969(9), VOL. 18, NUM. 0007, P. 877 A 879Miscellaneous

The Ordovician Crinoid Trochocrinites laevis Portlock, 1843 = Les Crinoïdes Trochocrinites laevis Portlock, 1843 de l'OrdovicienDONOVAN, S. K.Irish journal of earth sciences. 1984, Vol 6, Num 2, pp 121-126, issn 0790-1763Article

Geliolitidy verkhnego ordovika Yugo-Vostochnoj LatviiBONDARENKO, O. B.1983, Vol 58, Num 6, pp 136-146Article

Distribution of the Hirnantia fauna and its meaning = Répartition de la faune à Hirnantia et sa significationRONG, J; CHI, M.International symposium on the Ordovician System. 4. 1982, 43Conference Paper

Middle and upper Ordovician bradiopods from the Iberian chain (NE Spain) = Brachiopodes de l'Ordovicien moyen et supérieur dans la chaîne ibérique (NE de l'Espagne)VILLAS, E.International symposium on the Ordovician System. 4. 1982, 55Conference Paper

Late Ordovician to Middle Silurian graptolite zone in Ziyang area = Les zones à graptolites de l'Ordovicien supérieur au Silurien moyen de la région de Ziyang, ChineFU LIPU.Mezhdunarodnyj geologicheskij kongress. 27. 1984, pp 44-45Conference Paper

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

O statutu rodu Alceste Hawle et Corda, 1847 (Trilobita) = Statut du genre Alceste Hawle et Corda, 1847 (Trilobita)SNAJDR, Milan.Časopis národního muzea v Praze. Řada přírodovědná. 1983, Vol 152, Num 1, pp 9-11, issn 0139-9497Article

Graptolites de l'ordovicien terminal du Nord Ouest du ZhejiangYANG DA-QUAN.Gǔshēngwùxué bào. 1983, Vol 22, Num 6, pp 597-605, issn 0001-6616Article

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

Dating of craters and extinctions = Datation des cratères et des extinctionsSEEGER, C. R.Nature (London). 1985, Vol 317, Num 6034, issn 0028-0836, 207Article

Early cleavage development in the Late Ordovician of northeast Victoria, Australia = Développement de clivage précoce dans l'Ordovicien supérieur de Victoria Nord Est, AustralieWILSON, C. J. L; DE HEDOUVILLE, P.Journal of structural geology. 1985, Vol 7, Num 3-4, pp 401-408, issn 0191-8141Article

Coraux Tabulata de l'Ordovicien supérieur dans le Ejin Banner, Mongolie intérieure, et leur signification stratigraphiqueLIN BAOYRU.Dìzhì lùmpíng. 1985, Vol 31, Num 2, pp 118-124, issn 0371-5736Article

Late Ashgillian glaciation - effects of eustatic fluctuations on the upper Yangtze Sea = La glaciation de l'Ashgill supérieur : Effets des fluctuations eustatiques sur la mer du Yangtze supérieurGENG LIANG-YU.Stratigraphy and palaeontology of systemic boundaries in China Ordovician-Silurian boundary. Symposium. 1984, pp 269-286Conference Paper

The Dalmanitina fauna (trilobite) from Huanghuachang and Wangjiawan, Yichang county, Hubei Province = La faune à Dalmanitina (trilobite) de Huanghuachang et de Wangjiwan, comté de Yichang, Chine centraleZHU ZHAO-LING; WU HONG-JI.Stratigraphy and palaeontology of systemic boundaries in China Ordovician-Silurian boundary. Symposium. 1984, pp 83-110Conference Paper

The late Ordovician graptolite fauna of the Anceps Bands at Dob's Linn, southern Scotland = Faune à graptolites de l'Ordovicien sup des couches d'Anceps à Dob's Linn, Ecosse du SudWILLIAMS, S. H.Geologica et palaeontologica. 1982, Vol 16, pp 29-56, issn 0072-1018Article

Lithology of phosphorite-bearing deposits from the Aksu-Bailyusta Zone, North Kazakhstan = Lithologie des dépôts de phosphorite de la zone Aksu-Bailyusta, Kazakhstan NordALADZHIEV, V. S.Lithology and mineral resources. 1981, Vol 16, Num 2, pp 174-182, issn 0024-4902Article