Revision of the early-middle Pleistocene calcareous nannofossil biochronology, supplement to: Raffi, Isabella (2002): Revision of the early-middle Pleistocene calcareous nannofossil biochronology (1.75-0.85 Ma). Marine Micropaleontology, 45(1), 25-55

Isabella Raffi
The extant nannofossil biostratigraphic and biochronologic framework for the early-middle Pleistocene time interval has been tested through the micropaleontological analysis of globally distributed high-quality low- to mid-latitude deep-sea successions. The quantitative temporal distribution patterns of relative abundances of selected taxa were reconstructed in critical intervals, and the following biohorizons were defined: first occurrence of medium-sized Gephyrocapsa spp. (bmG); last occurrence of Calcidiscus macintyrei (tCm); first occurrence of large Gephyrocapsa spp. (blG); last occurrence of large...
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