Contusotruncana contusa abundances and morphotypes in the cretaceous mid-latitude South Atlantic, supplement to: Kucera, Michal; Malmgren, Bjorn (1998): Terminal Cretaceous warming event in the mid-latitude South Atlantic Ocean: evidence from poleward migration of Contusotruncana contusa (planktonic foraminifera) morphotypes. Palaeogeography, Palaeoclimatology, Palaeoecology, 138(1-4), 1-15

Michal Kucera & Bjorn Malmgren
Spatial and temporal patterns in test size and shape (test conicity and spiral roundness) and absolute abundance (accumulation rate) of the planktonic foraminifer Contusotruncana contusa were studied in the South Atlantic Ocean (DSDP sites 356, 516, 525 and 527) during an interval corresponding to the last 800 kyr of the Cretaceous. The variation in absolute abundance of C. contusa was characterised by alternating periods of high and low abundance; some of these periods were traceable...
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