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Paleobiology is a growing field where researchers are primarily interested to reconstruct the past biosphere using a truly interdisciplinary approach. The effect of biotic and abiotic agents of natural selection influencing an organism's ecology and evolution is a question that intrigued ecologists and paleobiologists alike. Study of such interaction in deep time using the marine fossil record presents some unique challenges. In this article, I have tried to share my personal account of such challenges and subsequent developments where I was involved as a researcher working on this topic.

Keywords

Fossil, Mollusca, Paleoecology, Paleoclimate.
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