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Giant Squid Devoured by Shark While Eating Last Dinner, Fossils Show


May 11, 2021 11:20 AM EDT
SYDNEY, AUSTRALIA - JULY 25: Dan Huber from the University of Tampa, Florida in the USA, examines the head of a Tiger Shark during research into the biological mechanics of the predator July 25, 2007 in Sydney, Australia. Researchers at the University of New South Wales (UNSW) including Huber, plan to remove muscles from the head of several sharks in order to create a digital shark, to help determine it s bio mechanics and potential bite force .
(Photo : Photo by Ian Waldie/Getty Images)
Fossilized remains of animals have been serving historians direct evidence of predator and prey relationship since the earliest times. A discovery of a crustacean eaten by a squid-like creature, while in turn eaten by a shark of which occurrence happened around 180 million years ago from the Early Jurassic Posidonia Shale was pictured by authors of Swiss Journal of Palaeontology. ....

Dieter Weber , Early Jurassic Posidonia Shale , Swiss Journal , Early Jurassic , Living Fossil Extinct , Years Found Roaming Around , டயட்டர் வெபர் , சுவிஸ் இதழ் , ஆரம்ப ஜுராசிக் ,

Epic Jurassic Era Fossil Shows a Predator in Action Being Preyed Upon


Pabulite Kill Leftover Evidence and the Food Chain
The focus on the  food chain  is not just because the predator got preyed upon, but also because of another potential evolutionary facet.
All cephalopods, in general, have tough rostra or beaks that are hard, pointed and difficult to digest. Fossils from the same period of marine crocodiles and predatory fish, and their stomachs, point to the fact that they were not discerning eaters, gobbling everything down, even the hard beaks.
This has been gauged from the remains of a  fossilized shark  (another 
Hybodus hauffianus ), from the early Jurassic, also found in Germany. It had a stomach full of undigested belemnite beaks, which likely caused its premature and untimely death. ....

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