Fossils reveal that pterosaurs puked pellets

Picture it: Two hungry pterosaurs, one adult and one juvenile, settle down to dig in to a delicious lunch of fish. Down their gullets the whole fish go. A little later, back up come the scales and other indigestible fishy bits, vomited neatly as millimeter-sized pellets.

Scientists now have the first fossilized evidence that pterosaur dining included a final course of regurgitation, scientifically called antiperistalsis. While studying two specimens of Kunpengopterus sinensis, a pterosaur species that lived in what is now China between 199 million and 146 million years ago, researchers found a gastric pellet containing fossilized fish scales preserved alongside each individual, they report February 7 in Philosophical

→ Continue reading at Science News

More from author

Related posts

Advertisment

Latest posts

Where Entrepreneurs Can Innovate in the Streaming Service Space

Opinions expressed by Entrepreneur contributors are their own. There are a lot of companies focused on improving the way we watch TV ⁠—...

How Ecommerce Will Empower Individuals In the Decade Ahead

Opinions expressed by Entrepreneur contributors are their own. The average person sees up to 10,000 ads every day. No wonder people just...

How To Keep Customer Acquisition Costs Low While Growing A Community

To build a thriving business, you’ll need a loyal community of customers to keep it running. But finding and acquiring those customers often comes...