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New pterosaur species discovered in fossilized vomit [1]

['Gail Sherman']

Date: 2025-11-12  

Scientists have discovered a new species, and I have learned the word for fossilized vomit — regurgitalite.

In a paper published in Scientific Reports, researchers reveal a new species of pterosaur. The remains of the flying reptile were found in a regurgitalite discovered in the fossil-rich Araripe Basin in Northeast Brazil.

Not only did the fossil vomit contain traces of this new species, it also revealed volumes about the ecology and food web (or trophic) dynamics of the Gondwanan ecosystem in which these animals lived. The mineralized lump also contained remnants of fish that could have been ralphed up by an ancient predator. Nautilus

Another unusual feature of the new species, named Bakiribu waridza, meaning "comb mouth" in the language of the Kariri, is that it was a filter feeder. Like whale sharks, baleen whales, and flamingos, they used a filtering mechanism — thin, filament-like teeth —to strain small particles of food from the water.

Previously:

• Mummies of hoofed dinosaurs found in Wyoming

• Play it now: Anatomically Incorrect Dinosaurs

• Fossil digs, jukebox doors, and turtle gardens — America's quirkiest roadside dinosaur attractions await

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