A baby ichthyosaur’s last meal revealed | Science News

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A baby ichthyosaur’s last meal revealed

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2:00am, October 3, 2017

Baby ichthyosaurs like the one illustrated here may have noshed on squid, a new analysis of a museum fossil suggests.

As far as last meals go, squid isn’t a bad choice. Remains of a squidlike cephalopod appear to dominate the stomach contents of an almost 200-million-year-old ichthyosaur fossil.

Ichthyosaur bones commonly pop up on England’s fossil-rich coast near Lyme Regis. But a lot of museum specimens lack records, making their age difficult to place. Dean Lomax of the University of Manchester in England and colleagues reexamined one such fossil, the researchers report online October 3 in Historical Biology. Based on its skull, they identified the creature as a newborn Ichthyosaurus communis. Microfossils of shrimp and amoebas around the marine reptile put the specimen at 199 million to 196 million years old.

Hook structures

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