Middle to Late Ordovician graptolite and chitinozoan biostratigraphy of the Kandava-25 drill core in western Latvia

References

• Achab, A., 1984: Chitinozoaires de l'Ordovicien moyen de subsurface de l'Ile Anticosti. Review of Palaeobotany and Palynology 43, 123–143  doi:10.1016/0034-6667(84)90029-0.
   Web of Science ®Google Scholar
• Ainsaar, L., Meidla, T. & Martma, T., 2004: The Middle Caradoc facies and faunal turnover in the Late Ordovician Baltoscandian palaeobasin. Palaeogeography, Palaeoclimatology, Palaeoecology 210, 119–133  doi:10.1016/j.palaeo.2004.02.046.
   Web of Science ®Google Scholar
• Bergström, S.M., 1986: Biostratigraphic integration of Ordovician graptolite and conodont zones – a regional review. Geological Society Special Publication 20, 61–78.
   Google Scholar
• Bergström, S.M., Finney, S.C., Chen, X., Pålsson, C., Wang, Z.H. & Grahn, Y., 2000: A proposed global boundary stratotype for the base of the Upper Ordovician Series of the Ordovician System: the Fågelsång section, Scania, southern Sweden. Episodes 23, 102–109.
   Web of Science ®Google Scholar
• Bergström, S.M., Chen, X., Gutiérrez-Marco, J.C. & Dronov, A.V., 2009: The new chronostratigraphic classification of the Ordovician System and its relations to major regional series and stages and to δ13C chemostratigraphy. Lethaia 42, 97–107.
   Web of Science ®Google Scholar
• Bergström, S.M., Huff, W.D., Kolata, D.R. & Bauert, H., 1995: Nomenclature, stratigraphy, chemical fingerprinting, and aerial distribution of some Middle Ordovician K-bentonites in Baltoscandia. GFF 117, 1–13.
   Web of Science ®Google Scholar
• Bergström, S.M., Young, S. & Schmitz, B., 2010: Katian (Upper Ordovician) δ13C chemostratigraphy and sequence stratigraphy in the United States and Baltoscandia: a regional comparison. Palaeogeography, Palaeoclimatology, Palaeoecology 296, 217–234.
   Web of Science ®Google Scholar
• Berry, W.B.N., 1960: Graptolite faunas of the Marathon region, west Texas. Texas University, Bureau of Economic Geology Publication 6005, 179 pp.
   Google Scholar
• Chen, X., Goldman, D., Leslie, S.A. & Williams, N.A., 2008: New graptolite and conodont faunal data from the Middle Ordovician Dawangou section, Tarim Basin, western Xinjiang, China, and its implications for biogeography. Geological Society of America Abstracts with Programs 40 (5), 85.
   Google Scholar
• Cooper, R.A. & Sadler, P.M., 2012: The Ordovician Period. In F.M. Gradstein, J. Ogg, M. Schmitz & G. Ogg (eds.): The geologic time scale 2012, 489–524. Elsevier, Oxford.
   Google Scholar
• Cooper, R.A., Sadler, P.M., Munnecke, A. & Crampton, J.S., 2014: Graptoloid evolutionary rates track Ordovician–Silurian global climate change. Geological Magazine 151 (2), 349–364  doi:10.1017/S0016756813000198.
   Web of Science ®Google Scholar
• Elles, G.L. & Wood, E.M.R., 1907: A monograph of British Graptolites. Part 6. Palaeontographical Society Monograph 61 (297), xcvii–cxx, 217–272, pls. 28–31.
   Google Scholar
• Frech, F., 1897: Lethaea Geognostica oder Beschreibung und Abbildung für die Gebirgs-Formationen bezeichnendsten Versteinerungen. In Herausgegeben von einer Vereinigung von Palaeontologen. 1. Teil – Lethaea Palaeozoica, 544–684. E. Schweizerbart'sche Verlagshandlung, Stuttgart.
   Google Scholar
• Geh, M.Y., 1963: Graptolites from the Miaopo Shale (Middle Ordovician) W. Hubei (Hupeh) II. Acta Palaeontologica Sinica 11, 240–261.
   Google Scholar
• Goldman, D., 1995: Taxonomy, evolution, and biostratigraphy of the Orthograptus quadrimucronatus species group (Ordovician, Graptolithina). Journal of Paleontology 69, 516–540.
   Web of Science ®Google Scholar
• Goldman, D., Leslie, S.A., Nõlvak, J., Young, S., Bergström, S.M. & Huff, W.D., 2007: 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. Episodes 30, 258–270.
   Web of Science ®Google Scholar
• Goldman, D., Sheets, H.D., Bergström, S.M., Nõlvak, J., Podhalanska, T., Mitchell, C.E. & Vandenbroucke, T.R.A., 2013: High-resolution stratigraphic correlation and biodiversity dynamics of Middle and Late Ordovician marine fossils from Baltoscandia and Poland. Geological Society of America Abstracts with Programs 45 (7), 236.
   Google Scholar
• Grahn, Y., Nõlvak, J. & Paris, F., 1996: Precise chitinozoan dating of Ordovician impact events in Baltoscandia. Journal of Micropalaeontology 15 (1), 21–35  doi:10.1144/jm.15.1.21.
   Google Scholar
• Hall, J., 1859: Notes upon the genus Graptolithus. In Descriptions and figures of the organic remains of the Lower Helderberg group and the Oriskany sandstone. Paleontology of New York, part 3, 495–522. Geological Survey of New York, Albany, NY.
   Google Scholar
• Hennissen, J., Vandenbroucke, T.R.A., Chen, X., Tang, P. & Verniers, J., 2010: The Dawangou auxiliary GSSP (Xinjiang autonomous region, China) of the base of the Upper Ordovician Series: putting global chitinozoan biostratigraphy to the test. Journal of Micropalaeontology 29 (2), 93–113  doi:10.1144/0262-821X09-005.
   Web of Science ®Google Scholar
• Hints, L. & Harper, D.A.T., 2008: The brachiopods Alwynella and Grorudia: homeomorphic plectambonitoids in the Middle and Upper Ordovician of Baltoscandia. Earth and Environmental Science Transactions of the Royal Society of Edinburgh 98, 271–280.
   Web of Science ®Google Scholar
• Hints, O., Delabroye, A., Nõlvak, J., Servais, T., Uutela, A. & Wallin, Å., 2010: Biodiversity patterns of Ordovician marine microphytoplankton from Baltica: comparison with other fossil groups and sea-level changes. Palaeogeography, Palaeoclimatology, Palaeoecology 294 (3–4), 161–173  doi:10.1016/j.palaeo.2009.11.003.
   Web of Science ®Google Scholar
• Huang, Z.G., Xiao, C.X. & Xia, T.L., 1988: Some important graptolite faunas of the Middle and Upper Ordovician from Chongyi and Yongxi areas, Jiangxi Province. Geological Publishing House, Beijing.
   Google Scholar
• Jaanusson, V., 1973: Aspects of carbonate sedimentation in the Ordovician of Baltoscandia. Lethaia 6 (1), 11–34  doi:10.1111/j.1502-3931.1973.tb00871.x.
   Web of Science ®Google Scholar
• Jaanusson, V., 1976: Faunal dynamics in the Middle Ordovician (Viruan) of Balto-Scandia. In M.G. Bassett (ed.): The Ordovician system: proceedings of a Palaeontological Association Symposium, Birmingham, September 1974, 301–326. University of Wales Press and National Museum of Wales, Cardiff.
   Google Scholar
• Jaanusson, V., 1995: Confacies differentiation and upper Middle Ordovician correlation in the Baltoscandian basin. Proceedings of the Estonian Academy of Sciences, Geology 44, 73–86.
   Google Scholar
• Lääts, J., 2006: Siliciclastic grain size composition of the Upper Ordovician rocks of the Blidene Formation in western Latvia. Proceedings of the Estonian Academy of Science, Geology 55, 175–184.
   Google Scholar
• Lapworth, C., 1873: Notes on the British graptolites and their allies. Geological Magazine 10 (113), 500–504, 555-560. https://doi.org/10.1017/S0016756800469256.
   Google Scholar
• Lapworth, C., 1877: On the graptolites from County Down. Proceedings of the Belfast's Naturalists Field Club (Appendix) 1876 (77), 125–144.
   Google Scholar
• Lapworth, H., 1900: The Silurian sequence of Rhayader. Quarterly Journal of the Geological Society 56 (1–4), 67–137. doi:10.1144/GSL.JGS.1900.056.01-04.09.
   Google Scholar
• Loydell, D.K., 2012: Graptolite biozone correlation charts. Geological Magazine 149 (1), 124–132  doi:10.1017/S0016756811000513.
   Web of Science ®Google Scholar
• Loydell, D.K., Kaljo, D. & Männik, P., 1998: Integrated biostratigraphy of the lower Silurian of the Ohesaare core, Saaremaa, Estonia. Geological Magazine 135 (6), 769–783  doi:10.1017/S0016756898001423.
   Web of Science ®Google Scholar
• Loydell, D.K., Männik, P. & Nestor, V., 2003: Integrated biostratigraphy of the lower Silurian of the Aizpute-41 core, Latvia. Geological Magazine 140 (2), 205–229  doi:10.1017/S0016756802007264.
   Web of Science ®Google Scholar
• Loydell, D.K. & Nestor, V., 2005: Integrated graptolite and chitinozoan biostratigraphy of the upper Telychian (Llandovery, Silurian) of the Ventspils D-3 core, Latvia. Geological Magazine 142 (4), 369–376  doi:10.1017/S0016756805000531.
   Web of Science ®Google Scholar
• Loydell, D.K., Nestor, V. & Männik, P., 2010: Integrated biostratigraphy of the lower Silurian of the Kolka-54 core, Latvia. Geological Magazine 147 (2), 253–280  doi:10.1017/S0016756809990574.
   Web of Science ®Google Scholar
• Maletz, J., 1995: The Middle Ordovician (Llanvirn) graptolite succession of the Albjära core (Scania, Sweden) and its implication for a revised biozonation. Zeitschrift für Geologische Wissenschaften 23, 249–259.
   Google Scholar
• Maletz, J., 1997: Graptolites from the Nicholsonograptus fasciculatus and Pterograptus elegans Zones (Abereiddian, Ordovician) of the Oslo Region, Norway. Greifswalder Geowissenschaftliche Beiträge 4, 5–98, 7 pls.
   Google Scholar
• Maletz, J., Carlucci, J. & Mitchell, C.E., 2009: Graptoloid cladistics, taxonomy and phylogeny. Bulletin of Geosciences 84, 7–19  doi:10.3140/bull.geosci.1108.
   Web of Science ®Google Scholar
• Maletz, J., Egenhoff, S., Böhme, M., Asch, R., Borowski, K., Höntzsch, S. & Kirsch, M., 2007: The Elnes Formation of southern Norway: key to the Middle Ordovician biostratigraphy and biogeography. Acta Palaeontologica Sinica 46 (Suppl.), 298–304.
   Google Scholar
• Maletz, J., Egenhoff, S., Böhme, M., Asch, R., Borowski, K., Höntzsch, S., Kirsch, M., Werner, M., Jin, J., 2011: A tale of both sides of Iapetus – Upper Darriwilian (Ordovician) graptolite faunal dynamics on the edges of two continents. Canadian Journal of Earth Sciences 48 (5), 841–859  doi:10.1139/e10-105.
   Web of Science ®Google Scholar
• Männil, R., 1976: Distribution of graptoloids in the Ordovician carbonate rocks of the east Baltic area. In D. Kaljo & T.N. Koren (eds.): Graptolites and stratigraphy, 105–118. Academy of Sciences of Estonian SSR, Institut of Geology, Tallinn.
   Google Scholar
• Mitchell, C.E., 1987: Evolution and phylogenetic classification of the Diplograptacea. Palaeontology 30, 353–405.
   Web of Science ®Google Scholar
• Mitchell, C.E., Goldman, D., Klosterman, S.L., Maletz, J., Sheets, H.D. & Melchin, M.J., 2007: Phylogeny of the Ordovician Diplograptoidea. Acta Palaeontologica Sinica 46 (Suppl.), 332–339.
   Google Scholar
• Ni, Y.N., 1991: Early and Middle Ordovician Graptolites from Wuning, northwestern Jiangxi, China. Palaeontologia Sinica B (28), 1–147, 35 pls.
   Google Scholar
• Nicholson, H.A., 1867: IV. On some fossils from the Lower Silurian rocks of the south of Scotland. Geological Magazine 4 (33), 107–113  doi:10.1017/S0016756800205293.
   Google Scholar
• Nielsen, A.T., 2004: Ordovician sea level changes: a Baltoscandian perspective. In B.D. Webby, F. Paris, M.L. Droser & I.G. Percival (eds.): The Great Ordovician biodiversification event, 84–93. Columbia University Press, New York.
   Google Scholar
• Nielsen, A.T., 2011: A re-calibrated revised sea-level curve for the Ordovician of Baltoscandia. In J.C. Gutiérrez-Marco, I. Rábano & D. García-Bellido (eds.): Ordovician of the World. Cuadernos del Museo Geominero 14, 399–401.
   Google Scholar
• Nõlvak, J., 1997: Ordovician. Introduction. In A. Raukas & A. Teedumäe (eds.): Geology and mineral resources of Estonia, 52–55. Estonian Academy Publishers, Tallinn.
   Google Scholar
• Nõlvak, J., Hints, O. & Männik, P., 2006: Ordovician Timescale in Estonia: recent developments. Proceedings of the Estonian Academy of Sciences, Geology 55 (2), 95–108.
   Google Scholar
• Ortega, G., Albanesi, G.L., Banchig, A.L. & Peralta, G.L., 2008: High resolution conodont-graptolite biostratigraphy in the Middle-Upper Ordovician of the Sierra de La Invernada Formation (Central Precordillera, Argentina). Geologica Acta 6 (2), 161–180.
   Web of Science ®Google Scholar
• Paris, F., Grahn, Y., Nestor, V. & Lakova, I., 1999: A revised chitinozoan classification. Journal of Paleontology 73, 549–570.
   Web of Science ®Google Scholar
• Ross, R.J. & Berry, W.B.N., 1963: Ordovician Graptolites of the Basin Ranges in California, Nevada, Utah and Idaho. United States Geological Survey Bulletin 1134, 177 pp., 13 pls.
   Google Scholar
• Ruedemann, R., 1908: Graptolites of New York, part 2. New York State Museum Memoir 11, 583 pp.
   Google Scholar
• Ruedemann, R., 1947: Graptolites of North America. Geological Society of America Memoir 19, 652 pp.
   Google Scholar
• Sadler, P.M., Cooper, R.A. & Melchin, M., 2009: High-resolution, early Paleozoic (Ordovician-Silurian) time scales. Geological Society of America Bulletin 121 (5–6), 887–906  doi:10.1130/B26357.1.
   Web of Science ®Google Scholar
• Štorch, P., Mitchell, C.E., Finney, S.C. & Melchin, M.J., 2011: Uppermost Ordovician (upper Katian-Hirnantian) graptolites of north-central Nevada, U.S.A. Bulletin of Geosciences 86 (2), 301–386.
   Web of Science ®Google Scholar
• Sun, Y.C., 1933: Ordovician and Silurian graptolites from China. Palaeontologica Sinica B 14, 1–52.
   Google Scholar
• Ulst, R.Zh., Gailite, L.K. & Yakovleva, V.I., 1982: Ordovik Latvii. Zinatne, Riga  (in Russian).
   Google Scholar
• Vandenbroucke, T.R.A., 2004: Chitinozoan biostratigraphy of the Upper Ordovician Fågelsång GSSP, Scania, southern Sweden. Review of Palaeobotany and Palynology 130 (1-4), 217–239  doi:10.1016/j.revpalbo.2003.12.008.
   Web of Science ®Google Scholar
• Vandenbroucke, T.R.A., 2008: An Upper Ordovician Chitinozoan Biozonation in British Avalonia (England and Wales). Lethaia 41 (3), 275–294  doi:10.1111/j.1502-3931.2007.00090.x.
   Web of Science ®Google Scholar
• Vandenbroucke, T.R.A., Ancilletta, A., Fortey, R.A. & Verniers, J., 2009: A modern assessment of Ordovician chitinozoans from the Shelve and Caradoc areas, Shropshire, and their significance for correlation. Geological Magazine 146 (2), 216–236  doi:10.1017/S0016756808005815.
   Web of Science ®Google Scholar
• Vandenbroucke, T.R.A., Recourt, P., Nõlvak, J. & Nielsen, A.T., 2013: Chitinozoan biostratigraphy of the Late Ordovician D. clingani and P. linearis graptolite biozones on the Island of Bornholm, Denmark. Stratigraphy 10 (4), 281–301.
   Web of Science ®Google Scholar
• Vandenbroucke, T.R.A., Williams, M., Zalasiewicz, J.A., Davies, J.R. & Waters, R.A., 2008: Integrated Upper Ordovician graptolite–chitinozoan biostratigraphy of the Cardigan and Whitland areas, southwest Wales. Geological Magazine 145 (2), 199–214  doi:10.1017/S0016756807004232.
   Web of Science ®Google Scholar
• Wang, Z.H., Bergström, S.M., Zhen, Y.Y., Chen, X. & Zhang, Y.D., 2013: On the integration of Ordovician conodont and graptolite biostratigraphy: new examples from Gansu and Inner Mongolia in China. Alcheringa: An Australasian Journal of Palaeontology 37 (4), 510–528  doi:10.1080/03115518.2013.805491.
   Web of Science ®Google Scholar
• Williams, S.H., 1995: Middle Ordovician graptolites from the Lawrence Harbour Formation, central Newfoundland, Canada. Palaeontographica A 235, 21–77.
   Google Scholar
• Young, S.A., Saltzman, M.R. & Bergström, S.M., 2005: Upper Ordovician (Mohawkian) carbon isotope (δ13C) stratigraphy in eastern and central North America: regional expression of a perturbation of the global carbon cycle. Palaeogeography, Palaeoclimatology, Palaeoecology 222 (1–2), 53–76  doi:10.1016/j.palaeo.2005.03.008.
   Web of Science ®Google Scholar