The biostratigraphy and paleobiology of Oligocene planktonic foraminifera from the equatorial Pacific Ocean, supplement to: Wade, Bridget S; Berggren, William A; Olsson, Richard K (2007): The biostratigraphy and paleobiology of Oligocene planktonic foraminifera from the equatorial Pacific Ocean (ODP Site 1218). Marine Micropaleontology, 62(3), 167-179

Bridget S Wade, William A Berggren & Richard K Olsson
Planktonic foraminifera from a continuous Oligocene succession with clear magnetochronology and sediment cycles at Ocean Drilling Program Site 1218 (equatorial Pacific Ocean) were studied in the interval from 27 to 30 Ma. Paragloborotalia taxa are common and we examined their size, relative abundance, and stable isotopes. Multispecies stable isotope data indicate the depth habitats of Oligocene planktonic foraminifera and suggest that “Globoquadrina” venezuelana and Dentoglobigerina globularis were probably mixed-layer dwellers, with paragloborotaliids recording heavier delta18O...
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