Fossil of ancient squid eating a crustacean while being eaten by an ancient shark

Possible scenario explaining the taphonomy of the belemnite. Hybodus hauffianus is known to have fed on belemnites, although it is unclear whether some individuals learned how to avoid the swallowing of the calcitic rostrum. The belemnite Passaloteuthis laevigata holds remains of the exuvia of Proeryon in its arms. Credit: Swiss Journal of Palaeontology (2021). DOI: 10.1186/s13358-021-00225-z

A team of researchers has discovered a fossil they are describing as a leftover fall event in which one creature was in the process of eating another creature that was not consumed. In their paper published in the Swiss Journal of Palaeontology, the group describes the fossilized find and what it taught them about behavior between ancient cephalopods and vertebrate predators.

Over the course of many years, archeologists have unearthed fossils of creatures that were interacting at the time of their death—one such type of interaction involves a predator capturing prey. Prior researchers have called fossils of creatures just prior to being consumed “pabulites” (Latin for “leftovers.”) In this new effort, the researchers studied an ancient crustacean pabulite that was about to be consumed by an ancient squid-like creature called a belemnite… More about this article in link below…

https://phys.org/news/2021-05-fossil-ancient-squid-crustacean-eaten.amp

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