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    Justino, F. Silva, A. S. Pereira, M. P. Stordal, F. Lindemann, D. and Kucharski, F. 2015. The Large-Scale Climate in Response to the Retreat of the West Antarctic Ice Sheet. Journal of Climate, Vol. 28, Issue. 2, p. 637.


    Zonneveld, John-Paul and Gingras, Murray K. 2014. Sedilichnus, Oichnus, Fossichnus, andTremichnus: ‘small round holes in shells' revisited. Journal of Paleontology, Vol. 88, Issue. 5, p. 895.


    Zonneveld, John-Paul and Gingras, Murray K. 2014. Sedilichnus, Oichnus, Fossichnus, and Tremichnus: ‘Small Round Holes in Shells’ Revisited. Journal of Paleontology, Vol. 88, Issue. 05, p. 895.


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Calcareous dinoflagellate cysts from the Pleistocene (Marine Isotope Stage 31) of the Ross Sea, Antarctica

  • Michael Streng (a1), Oliver Esper (a2) and Jutta Wollenburg (a2)
  • DOI: http://dx.doi.org/10.1017/S0954102011000605
  • Published online: 01 September 2011
Abstract
Abstract

Following a report of supposed fragments of calcareous dinoflagellate cysts from a Pleistocene drill core (CRP-1) recovered in the Ross Sea, Antarctica, sediments of the same core were re-investigated for their microfossil content. Besides common foraminifera and other microfossils, rare complete cysts of calcareous dinoflagellates were found. All cysts belong to the species Caracomia arctica (Gilbert & Clark, 1983) Streng, Hildebrand-Habel & Willems, 2002, a taxon characteristic of late Neogene high latitude, coldwater environments. Two morphotypes can be distinguished, C. arctica f. arctica and C. arctica f. rossensis, of which the latter is described as a new form. The presence of C. arctica strengthens diatom-based palaeoenvironmental reconstructions of periodical sea ice-free conditions at the time of deposition. Accordingly, cysts of C. arctica are interpreted as resting cysts that allow survival during harsh intervals of the high latitude environment. Previously reported calcareous dinoflagellates cyst fragments from these sediments are re-interpreted as test fragments of bilamellar foraminifera, which represent the most common group of foraminifers in the sediments.

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michael.streng@geo.uu.se
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F.J. Davey , P.J. Barrett , M.B. Cita , J.J.M. van der Meer , F. Tessensohn , M.R.A. Thomson , P.-N. Webb K.J. Woolfe 2001. Drilling for Antarctic Cenozoic climate and tectonic history at Cape Roberts, southwestern Ross Sea. EOS Transactions, 82, 585, 588590.

M.W. Gilbert D.L. Clark 1983. Central Arctic Ocean paleoceanographic interpretations based on Late Cenozoic calcareous dinoflagellates. Marine Micropaleontology, 7, 385401.

M. Gottschling , H. Keupp , J. Plötner , R. Knop , H. Willems M. Kirsch 2005. Phylogeny of calcareous dinoflagellates as inferred from ITS and ribosomal sequence data. Molecular Phylogenetics and Evolution, 36, 444455.

T. Hildebrand-Habel M. Streng 2003. Calcareous dinoflagellate associations and Maastrichtian-Tertiary climatic change in a high latitude core (ODP Hole 689B, Maud Rise, Weddell Sea). Palaeogeography, Palaeoclimatology, Palaeoecology, 197, 293321.

J. Lewis , A.S.D. Harris , K.J. Jones R.L. Edmonds 1999. Long-term survival of marine planktonic diatoms and dinoflagellates in stored sediment samples. Journal of Plankton Research, 21, 343354.

A.R. Loeblich J. Tappan 1988. Foraminiferal genera and their classification. New York: Van Nostrand Reihold, 970 pp.

R.P. Scherer , S.M. Bohaty , R.B. Dunbar , O. Esper , J.-A. Flores , R. Gersonde , D.M. Harwood , A.P. Roberts M. Taviani 2008. Antarctic records of precession-paced insolation-driven warming during early Pleistocene Marine Isotope Stage 31. Geophysical Research Letters, 35 , 10.1029/2007GL032254.

B.K. Sen Gupta 1999. Systematics of modern foraminifera. InSenGupta,B.K., ed. Modern foraminifera. Dordrecht: Kluwer Academic, 736.

M. Streng , T. Hildebrand-Habel H. Willems 2002. Revision of the genera Sphaerodinella Keupp and Versteegh, 1989 and Orthopithonella Keupp in Keupp and Mutterlose, 1984 (Calciodinelloideae, calcareous dinoflagellate cysts). Journal of Paleontology, 76, 397407.

M. Streng , T. Hildebrand-Habel H. Willems 2004a. A proposed classification of archeopyle types in calcareous dinoflagellate cysts. Journal of Paleontology, 78, 456483.

M. Streng , M. Banasová , D. Reháková H. Willems 2009. An exceptional flora of calcareous dinoflagellates from the middle Miocene of the Vienna Basin, SW Slovakia. Review of Palaeobotany and Palynology, 153, 225244.

G.J.M. Versteegh , T. Servais , M. Streng , A. Munnecke D. Vachard 2009. A discussion and proposal concerning the use of the term calcispheres. Palaeontology, 52, 343348.

A. Vink 2004. Calcareous dinoflagellate cyst in South and equatorial Atlantic surface sediments: diversity, distribution, ecology and potential for paleoenvironmental reconstruction. Marine Micropaleontology, 50, 4388.

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Antarctic Science
  • ISSN: 0954-1020
  • EISSN: 1365-2079
  • URL: /core/journals/antarctic-science
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