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Stepwise extinction of larger foraminifers at the Cenomanian-Turonian boundary: A shallow-water perspective on nutrient fluctuations during Oceanic Anoxic Event 2 (Bonarelli Event)

Abstract:

A two-step pattern in the extinction of larger foraminifers is recorded in the upper Cenomanian shallow-water carbonates of the southern Apennines (Italy). The first step eliminated the alveolinids, the most extreme oligotrophs, and reduced dramatically the diversity of larger foraminifers. The second step wiped out the few survivors, seemingly able to tolerate mesotrophic conditions, leaving a disaster fauna dominated by small heterotrophs. This pattern of extinction parallels the ecological...

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Publication status:
Published

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Publisher copy:
10.1130/G24993A.1

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
Journal:
GEOLOGY More from this journal
Volume:
36
Issue:
9
Pages:
715-718
Publication date:
2008-09-01
DOI:
EISSN:
0091-7613
ISSN:
0091-7613
Language:
English
Keywords:
Pubs id:
pubs:81976
UUID:
uuid:0afddd9e-1bf0-44df-bf66-d57e143bb6de
Local pid:
pubs:81976
Source identifiers:
81976
Deposit date:
2012-12-19

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