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De Schepper, Stijn; Head, Martin J (2013): New Pliocene and Pleistocene acritarchs from the North Atlantic, Arctic Ocean and Bering Sea. PANGAEA, https://doi.org/10.1594/PANGAEA.797486, Supplement to: De Schepper, S; Head, MJ (2013): New late Cenozoic acritarchs: evolution, palaeoecology and correlation potential in high latitude oceans. Journal of Systematic Palaeontology, 1-27, https://doi.org/10.1080/14772019.2013.783883

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Abstract:
Acritarchs have received limited attention in palynological studies of the Cenozoic, although they have much potential both for refining Neogene and Quaternary stratigraphy, especially in mid- and high northern latitudes, and developing palaeoceanographical reconstructions. Here we formally describe and document the stratigraphical and palaeotemperature ranges (from foraminiferal Mg/Ca) of four new acritarch species: Cymatiosphaera? aegirii sp. nov., Cymatiosphaera? fensomei sp. nov., Cymatiosphaera? icenorum sp. nov. and Lavradosphaera canalis sp. nov. In reviewing the stratigraphical distributions of all species of the genus Lavradosphaera De Schepper & Head, 2008, we demonstrate their correlation potential between the North Atlantic and Bering Sea in the Pliocene. Additionally, Lavradosphaera lucifer De Schepper & Head, 2008 and Lavradosphaera canalis sp. nov., while not themselves overlapping stratigraphically, have morphological intermediates that do partially overlap and may represent an evolutionary trend consequent upon climate cooling in the Late Pliocene. Finally, we show that the highest abundances of the acritarchs presented here were living in the eastern North Atlantic, in surface-water temperatures not very different from today.
Coverage:
Median Latitude: 54.915722 * Median Longitude: -0.744217 * South-bound Latitude: 35.496300 * West-bound Longitude: -70.031000 * North-bound Latitude: 80.264900 * East-bound Longitude: 179.008980
Date/Time Start: 1983-05-05T00:00:00 * Date/Time End: 2004-10-30T00:00:00
Size:
8 datasets

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Datasets listed in this publication series

  1. De Schepper, S; Head, MJ (2013): Record of 7 acritarch taxa from the Miocene, Pliocene and Pleistocene of ODP Hole 105-646B. https://doi.org/10.1594/PANGAEA.797477
  2. De Schepper, S; Head, MJ (2013): Record of 7 acritarch taxa from the Miocene, Pliocene and Pleistocene of ODP Hole 151-910C. https://doi.org/10.1594/PANGAEA.797478
  3. De Schepper, S; Head, MJ (2013): Record of 7 acritarch taxa from the Miocene, Pliocene and Pleistocene of ODP Site 104-642. https://doi.org/10.1594/PANGAEA.797485
  4. De Schepper, S; Head, MJ (2013): Record of 7 acritarch taxa, Mg/Ca sea-surface temperatures and palynological preparation data from the Miocene, Pliocene and Pleistocene of DSDP Hole 94-610A. https://doi.org/10.1594/PANGAEA.797481
  5. De Schepper, S; Head, MJ (2013): Record of 7 acritarch taxa, Mg/Ca sea-surface temperatures and palynological preparation data from the Miocene, Pliocene and Pleistocene of IODP Site 303-U1308. https://doi.org/10.1594/PANGAEA.797482
  6. De Schepper, S; Head, MJ (2013): Record of 7 acritarch taxa, Mg/Ca sea-surface temperatures and palynological preparation data from the Miocene, Pliocene and Pleistocene of IODP Site 306-U1313. https://doi.org/10.1594/PANGAEA.797483
  7. De Schepper, S; Head, MJ (2013): Record of 7 acritarch taxa, and palynological preparation data from the Miocene, Pliocene and Pleistocene of DSDP Hole 93-603C. https://doi.org/10.1594/PANGAEA.797480
  8. De Schepper, S; Head, MJ (2013): Record of 7 acritarch taxa, and palynological preparation data from the Miocene, Pliocene and Pleistocene of IODP Site 323-U1341. https://doi.org/10.1594/PANGAEA.797484