The palaeobiogeographical spread of the acritarch Veryhachium in the Early and Middle Ordovician and its impact on biostratigraphical applications

REFERENCES

• Achab, A., Rubinstein, C.V. & Astini, R.A., 2006: Chitinozoans and acritarchs from the Ordovician peri-Gondwana volcanic arc of the Famatina System, northwestern Argentina. Review of Palaeobotany and Palynology139, 129–149.
   Web of Science ®Google Scholar
• Bergström, S.T., Chen, X., Gutiérrez-Marco, J.C. & Dronov, A., 2009: The New chronostratigraphic classification of the Ordovician System and its relations to major regional series and stages and to δ13C chemostratigraphy. Lethaia42, 97–107.
   Web of Science ®Google Scholar
• de la Puente, G.S. & Rubinstein, C.V., 2013: Ordovician chitinozoans and marine phytoplankton of the Central Andean Basin, northwestern Argentina: a biostratigraphic and palaeobiogeographic approach. Review of Palaeobotany and Palynology198, 14–26.
   Web of Science ®Google Scholar
• Deunff, J., 1954: Veryhachiumgenre nouveau d'hystrichosphères du Primaire. Comptes Rendus de la Société géologique de France13, 305–307.
   Google Scholar
• Fensome, R.A., Williams, G.L., Barss, J.M., Freeman, J.M. & Hill, J.M., 1990: Acritarchs and fossil prasinophytes: an index to genera, species and infraspecific taxa. American Association of Stratigraphic Palynologists, Contributions Series25, 1–771.
   Google Scholar
• Gregory, F.J., Armstrong, H.A., Boomer, I., Gersond, R., Harding, I., Herrle, J.E., Lazarus, D., Schmidt, D.N., Schoenfeld, J. & Young, J.R., 2006: Celebrating 25 years of advances in micropalaeontology: a review. Journal of Micropalaeontology25, 97–112.
   Web of Science ®Google Scholar
• Jansonius, J. & McGregor, D. (eds.), 1996: Palynology: Principles and Applications. 3 volumes, American Association of Stratigraphic Palynologists Foundation, Austin, TX.
   Google Scholar
• Lei, Y., Servais, T., Feng, Q. & He, W., 2013: Latest Permian acritarchs from South China and the Micrhystridium/Veryhachium complex revisited. Palynology37, 325–344.
   Web of Science ®Google Scholar
• Li, J., Servais, T. & Yan, K., 2010: Acritarch biostratigraphy of the Lower-Middle Ordovician boundary (Dapingian) at the Global Stratotype Section and Point (GSSP), Huanghuachang, South China. Newsletter on Stratigraphy43, 235–250.
   Web of Science ®Google Scholar
• Molyneux, S., Osterloff, P., Penney, R. & Spaak, P., 2006: Biostratigraphy of the Lower Palaeozoic Haima Supergroup, Oman; its application in sequence stratigraphy and hydrocarbon exploration. GeoArabia11, 17–48.
   Web of Science ®Google Scholar
• Molyneux, S.G., Raevskaya, E. & Servais, T., 2007: The messaoudensis–trifidum acritarch assemblage and correlation of the Ordovician Stage 2 boundary. Geological Magazine144, 143–156.
   Web of Science ®Google Scholar
• Ottone, J., Toro, B. & Waisfeld, B., 1992: Lower Ordovician palynomorphs from the Acoite formation, Northwestern Argentina. Palynology16, 93–116.
   Google Scholar
• Quintavalle, M. & Playford, G., 2006a: Palynostratigraphy of Ordovician strata, Canning Basin, Western Australia. Part 1: acritarchs and prasinophytes. Palaeontographica275, 1–88.
   Google Scholar
• Quintavalle, M. & Playford, G., 2006b: Palynostratigraphy of Ordovician strata, Canning Basin, Western Australia. Part two: chitinozoans and biostratigraphy. Palaeontographica B27589–131.
   Google Scholar
• Raevskaya, E.G. & Servais, T., 2009: Ninadiacrodium: a new Late Cambrian acritarch genus and index fossil. Palynology33, 219–239.
   Web of Science ®Google Scholar
• Rubinstein, C.V., de La Puente, G.S., Toro, B.A. & Servais, T., 2007: The presence of the messaoudensis–trifidum acritarch assemblage (Upper Tremadocian–Floian) in the Central Andean Basin, north-western Argentina: calibration with chitinozoans and graptolite zonation. Acta Palaeontologica Sinica46 (Suppl.), 422–428.
   Google Scholar
• Rubinstein, C.V., Toro, B.A. & Waisfeld, B.G., 1999: Acritarch biostratigraphy of the upper Tremadoc – Arenig of the Eastern Cordillera, northwestern Argentina: relationships with graptolite and trilobite faunas. Bollettino della Societa Paleontologica Italiana38, 267–286.
   Google Scholar
• Servais, T. & Molyneux, S.G., 1997: The messaoudensis–trifidum assemblage (early Ordovician: latest Tremadoc to earliest Arenig) from the subsurface of Rügen (NE-Germany Baltic Sea). Palaeontographia Italica84, 113–161.
   Google Scholar
• Servais, T., Vecoli, M., Li, J., Molyneux, S.G., Raevskaya, E.G. & Rubinstein, C.V., 2007: The acritarch genus Veryhachium Deunff 1954: taxonomic evaluation and first appearance. Palynology31, 191–203.
   Web of Science ®Google Scholar
• Strother, P.K., Vecoli, M. & Beck, J., 2009: Paleopalynology of the Kanosh Shale at Fossil Mountain, Utah. In Abstracts, 9th North American Paleontological Convention, University of Cincinnati, Ohio, USA June 21–26, 2009. Cincinnati Museum Center Scientific Contributions 3, 203.
   Google Scholar
• Uutela, A. & Tynni, R., 1991: Ordovician acritarchs from the Rapla borehole, Estonia. Geological Survey of Finland, Bulletin353, 1–153.
   Google Scholar
• Vecoli, M., 2004: Stratigraphic and palaeoenvironmental distribution of organic-walled microfossils in Cambrian–Ordovician transitional strata of borehole Bir Ben Tartar-1 (Tt-1; Ghadamis Basin, southern Tunisia). Memoirs of the Association of Australasian Palaeontologists29, 13–30.
   Google Scholar
• Vecoli, M. & Le Hérissé, A., 2004: Biostratigraphy, taxonomic diversity and patterns of morphological evolution of Ordovician acritarchs (organic-walled microphytoplankton) from the northern Gondwana margin in relation to palaeoclimatic and palaeogeographic changes. Earth-Science Reviews67, 267–311.
   Web of Science ®Google Scholar
• Verniers, J., Nestor, V., Paris, F., Dufka, P., Sutherland, S. & van Grootel, G., 1995: A global chitinozoa biozonation for the Silurian. Geological Magazine132, 651–666.
   Web of Science ®Google Scholar
• Wang, W., Vecoli, M., Vandenbroucke, T.R.A., Feng, H., Li, L. & Verniers, J., 2013: Late Tremadocian–early Floian acritarchs from graptolitic shales of the Yinzhubu and Ningkuo formations of Yiyang, South China. Review of Palaeobotany and Palynology193, 1–14.
   Web of Science ®Google Scholar
• Webby, B.D., Cooper, R.A., Bergstrom, S.M. & Paris, F., 2004: Stratigraphic framework and time slices. In B.D.Webby, M.L.Droser, F.Paris & I.Percival (eds.): The Great Ordovician Biodiversification Event, 41–47. Columbia University Press, New York.
   Google Scholar
• White, C.E., Palacios, T., Jensen, S. & Barr, S.M., 2012: Cambrian–Ordovician acritarchs in the Meguma terrane, Nova Scotia, Canada: Resolution of early Paleozoic stratigraphy and implications for paleogeography. GSA Bulletin124, 1773–1792.
   Web of Science ®Google Scholar
• Yan, K., Servais, T., Li, J., Wu, R. & Tang, P., 2011: Biodiversity patterns of Early-Middle Ordovician marine microphytoplankton in South China. Palaeogeography, Palaeoclimatology, Palaeoecology299, 318–334.
   Web of Science ®Google Scholar