Where: Antarctica (63.3° S, 136.0° E: paleocoordinates 63.9° S, 132.7° E)
• coordinate stated in text
When: Early/Lower Eocene (55.8 - 48.6 Ma)
• The lowermost 110 meters of sediments recovered at IODP Site U1356 (895.5 to 1000.08 meters below sea floor [mbsf], lithostratigraphic Units X and XI) are dated as Early to Middle Eocene in age based on the integration of dinoflagellate cyst (dinocyst) biostratigraphy and magnetostratigraphy (Expedition 318 Scientists. Site U1356. in Escutia, C., Brinkhuis, H., Klaus, A., and the Expedition 318 Scientists. Proc. IODP 318 (2011)).
Environment/lithology: shallow subtidal; silty claystone and sandstone
Size class: microfossils
Preservation: original sporopollenin
Collected by IODP
Collection methods: core, chemical, hydrochloric, hydroflouric,
• This research used samples and data provided by the Integrated Ocean Drilling Program (IODP).
•
•A total of 145 palynological samples, taken from the Eocene interval of Site U1356 at a resolution of 20-30 cm, were processed using identical protocols at the Institute of Geosciences of Goethe University Frankfurt and the Laboratory of Palaeobotany and Palynology of Utrecht University.
Primary reference: J. Pross, L. Contreras, P. K. Bijl, D. R. Greenwood, S. M. Bohaty, S. Schouten, J. A. Bendle, U. Röhl, L. Tauxe, J. I. Raine, C. E. Huck, T. Flierdt, S. S. R. Jamieson, C. E. Stickley, B. Schootbrugge, C. Escutia, H. Brinkhuis and Integrated Ocean Drilling Program. 2012. Persistent near-tropical warmth on the Antarctic continent during the early Eocene epoch. Nature (488)73-77 [C. Jaramillo/C. Jaramillo/M. Uhen]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 169266: authorized by Carlos Jaramillo, entered by Carlos Jaramillo on 13.05.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Bryopsida | |
Stereisporites sp. Pflug 1953 | |
Psilatriporites | |
Psilatriporites spp. Van der Hammen | |
Alisporites | |
| |
Equisetopsida | |
Araucariacites spp. Cookson and Couper 1953
Dilwynites granulatus Harris 1965 | |
Psilamonocolpites | |
| |
Ginkgoopsida | |
Ephedripites sp. Bolkhovitina and Potonié 1958 | |
Magnoliopsida | |
Malvacipollis spp. Harris 1965 | |
Dicotyledoneae | |
Ericipites sp. Wodehouse 1933 heather | |
Angiospermae | |
Triporopollenites sp., Triporopollenites "sp. 1", Propylipollis "sp. B", Proteacidites pachypolus, Proteacidites sp., Proteacidites symphyonemoides, Proteacidites parvus
Triporopollenites sp. Pflug and Thomson 1953
Triporopollenites "sp. 1" Pflug and Thomson 1953
Proteacidites sp. Cookson and Couper 1953
Proteacidites symphyonemoides Cookson 1950
Proteacidites parvus Cookson 1950 | |
Nothofagidites spp. Potonié 1960 | |
Microcachryidites antarticus podocarp
Phyllocladidites mawsonii Cookson 1947 podocarp
Podocarpidites spp. Cookson 1947 podocarp | |
Pteridopsida | |
Cyathidites spp. Couper 1953 | |
Polypodiopsida | |
Laevigatosporites spp. Ibrahim 1933 | |
Retistephanocolporites | |
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