Stomach stone hypothesis sheds light on the evolution of dinosaur digestive systems

By examining the degree of wear on these gastroliths, the team sheds light on dinosaur digestion strategies.

The short version

• The findings are published in the journal Paleobiology.
• This article has been reviewed according to Science X's editorial process and policies .
• The researchers expect that combining insights from gastroliths with other dietary proxies , including tooth and jaw morphology, will provide a more comprehensive understanding of how dinosaurs processed food.

What happened

The study also suggests that not all dinosaurs digested food in the same way. Some groups relied primarily on their teeth, some processed food in muscular stomachs, and some may have relied on extended digestion within the intestinal tract.

Why it matters

These findings indicate that different dinosaur groups likely evolved distinct digestive strategies and followed different evolutionary trajectories in the development of their digestive systems.

Summary by Nerd News Network. Read the full article at Phys.org via the links above and below.