Abstract
Fossil remnants of benthic foraminifera consist of carbonate tests and their organic linings. The macromolecular
and stable isotopic composition of these benthic foraminiferal organic liningswas characterized to evaluate their
potential use as paleoclimate proxies. Using Curie point pyrolysis–GC–MS (Py–GC–MS) we show that benthic
foraminiferal organic linings consist of protein and polysaccharides, bound together
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