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Tabulate corals from the Takche Formation (Ordovician-Silurian), Spiti, Tethyan Himalaya, and their biostratigraphical and palaeobiogeographical significance
Singh, B. P., Bhargava, O., Liang, K., Ghosh, P., Morrison, S., Roy, S., Thakur, A., Vinn, O.
Proceedings of the Geologists' Association
Year: 2026 | Pages: 101197 | article in journal
A diverse chitinozoan record from the Upper Ordovician (Katian) of the Cincinnati region (Kentucky, USA)
Esteves, C. D. J. P., McLaughlin, P., Velleman, J., De Backer, T., De Weirdt, J., Miller, M., Vandenbroucke, T.
Journal of Paleontology
Year: 2025 | Pages: 1-37 | article in journal
Lingulate and craniate brachiopods from the top of the Králův Dvůr Formation (latest Katian) and their contribution to palaeogeography
Mergl, M
Acta Musei Nationalis Pragae
Year: 2012 | Volume: 68 | Pages: 35-46 | article in journal
Organisms Attached to Conulariid Thecae from the Upper Ordovician of the Barrandian Area (Czech Republic)
Marek, J., Šarič, R., Kácha, P.
Folia Musei rerum naturalium Bohemiae occidentalis. Geologica et Paleobiologica
Year: 2023 | Volume: 57 | Pages: 43-50 | article in journal
Organic-carbon deposition and coastal upwelling at mid-latitude during the Upper Ordovician (Late Katian): A case study from the Welsh Basin, UK
Challands, T., Armstrong, H., Maloney, D., Davies, J., Wilson, D., Owen, A.
Palaeogeography, Palaeoclimatology, Palaeoecology
Year: 2009 | Volume: 273 | Pages: 395-410 | article in journal
High diversity and early radiation of organic-walled phytoplankton in southern Baltica during the Middle-Late Ordovician – evidence from the Borenshult-1 drillcore of southern Sweden
Rubinstein, C. V., Vajda, V.
GFF
Year: 2023 | Volume: 145 | Pages: 50-83 | article in journal
Oceanic anoxia and extinction in the latest Ordovician
Liu, M., Chen, D., Jiang, L., Stockey, R. G., Aseal, D., Zhang, B., Liu, K., Yang, X., Yan, D., Planavsky, N. J.
Earth and Planetary Science Letters
Year: 2022 | Volume: 588 | Pages: 117553 | article in journal
Pervaya nahodka tetradid v katjskom âruse (verhnij ordovik) okrestnostej Sank-Peterburga [Первая находка тетрадид в катйском ярусе (верхний ордовик) окрестностей Санк-Петербурга]
Iskül, G.
Bio-i geosobytiâ v istorii Zemli. Ètapnost' èvolûcii i stratigrafičeskaâ korrelâciâ. LXIX sessiâ paleontologičeskogo obŝestva
Year: 2023 | Pages: 59-59 | abstract
Preliminary palynological study of the Upper Ordovician Pin Formation in northern Indian Himalaya
Wang, W., Gao, S., Servais, T., Singh, B. P., Myrow, P.
Palynology
Year: 2021 | Volume: 45 | Pages: 301-319 | article in journal
Two abnormal pygidia of the trilobite Toxochasmops from the Upper Ordovician of the Oslo Region, Norway
Nielsen, M. L., Nielsen, A. T. N.
Bulletin of the Geological Society of Denmark
Year: 2017 | Volume: 65 | Pages: 171-175 | article in journal
A possible Laurentian volchoviid ophiocistioid from the Katian of southwestern Ohio
Ausich, W. I., Thompson, J. R.
Journal of Paleontology
Year: 2021 | Volume: 95 | Pages: 1097-1098 | article in journal
Revision of late Katian (Late Ordovician) heliolitine corals from Northern Kuruktag in northeastern Tarim Basin of China
Cui, Y., Wang, G.
Alcheringa: An Australasian Journal of Palaeontology
Year: 2021 | Volume: 45 | Pages: 178-194 | article in journal
Late Ordovician (Katian) spores in Sweden: oldest land plant remains from Baltica
Badawy, A. S., Mehlqvist, K., Vajda, V., Ahlberg, P., Calner, M.
GFF
Year: 2014 | Volume: 136 | Pages: 16-21 | article in journal
Discovery of rich Katian-Hirnantian jawed polychaete fauna from the Prague Basin, Czech Republic
Tonarová, P., Vodrážková, S., Pavel Čáp, Hints, O., Nõlvak, J., Kubajko, M.
Journal de l’Association Paléontologique Française
Lille 2021: Ordovician of the World. Programme with abstracts
Year: 2021 | Pages: 75-76 | abstract
Palynomorph optical analyses for thermal maturity assessment of Upper Ordovician (Katian-Hirnantian) rocks from Southern Estonia
Sorci, A., Cirilli, S., Clayton, G., Corrado, S., Hints, O., Goodhue, R., Schito, A., Spina, A.
Marine and Petroleum Geology
Year: 2020 | Volume: 120 | Pages: 104574 | article in journal
Katian biodiversity – a prelude to the Hirnantian (Ordovician) mass extinction as seen from Baltic data
Kaljo, D., Hints, L., Hints, O., Männik, P., Martma, T., Nõlvak, J.
International Palaeontological Congress, London 2010, June 28 - July 3. Programme & Abstracts
Year: 2010 | Pages: 223-223 | abstract
Widespread distribution of palaeokarst in the middle Katian (Upper Ordovician) of Baltoscandia
Calner, M., Lehnert, O., Nõlvak, J.
Lundagarna XI Symposium, March, 11-12, 2009
Year: 2009 | Pages: 8-8 | abstract
The significance of middle Katian palaeokarst in Baltoscandia for upper Ordovician global climate
Calner, M. Lehnert, O., Nõlvak, J.
Palaeozoic Climates. International Congress – Congrès international August 22-31, 2008, Lille, France
Year: 2008 | Pages: 20-20 | abstract
The Global Stratotype-Section and Point (GSSP) for the Base of the Middle Stage of the Upper Ordovician Series at Black Knob Ridge, Southeastern Oklahoma, USA
Goldman, D., Leslie, S. A., Nõlvak, J., Young, S.
Geological Society of America, Abstracts and Programs, 38. South-Central Section 40th Annual Meeting (6-7 March 2006)
Year: 2006 | Pages: 12-12 | abstract
Mean grain size of the siliciclastic component of the Pirgu-Porkuni sedimentary rocks of the Aizpute-41 core indicating pre-Hirnantian start of the glaciation
Kiipli, E., Siir, S., Kiipli, T., Kallaste, T.
4th Annual Meeting of IGCP 591, Estonia, 10–19 June 2014. Abstracts and Field Guide
Year: 2014 | Pages: 49-49 | abstract
An Ordovician Global Reference Section Recently Selected in Oklahoma
Goldman, D., Leslie, S. A., Bergström, S. M., Nõlvak, J., Young, S. A., Finney, S. C.
Oklahoma Geology Notes
Year: 2008 | Volume: 68 | Pages: 15-18 | article in journal
The Global Stratotype Section and Point (GSSP) for the base of the Katian Stage of the Upper Ordovician Series at Black Knob Ridge, Southeastern Oklahoma, USA
Goldman, D., Leslie, S. A., Nõlvak, J., Young, S., Bergström, S. M., Huff, W. D.
Episodes
Year: 2007 | Volume: 30 | Pages: 258-270 | article in journal
The relationships between Late Ordovician sea-level changes and faunal turnover in western Baltica: Geochemical evidence of oxic and dysoxic bottom-water conditions
Hansen, J., Nielsen, J. K., Hanken, N.-M.
Palaeogeography, Palaeoclimatology, Palaeoecology
Year: 2009 | Volume: 271 | Pages: 268-278 | article in journal
Baltica cradle of early land plants? Oldest record of trilete spores and diverse cryptospore assemblages; evidence from Ordovician successions of Sweden
Rubinstein, C. V., Vajda, V.
GFF
Year: 2019 | Volume: 141 | Pages: 181-190 | article in journal
Les chitinozoaires de la zone á Dicellograptus complanatus de la Formation de Vauréal (Ordovicien supérieur), Ile d’Anticosti, Québec
Achab, A.
Canadian Journal of Earth Sciences
Year: 1977 | Volume: 14 | Pages: 413-442 | article in journal