Gastroliths, or stomach stones, are from the digestive system
of larger plant-eating dinosaurs, especially members of 'the
sauropod group, such as Diplodocus, Brachiosaurus and
Apatosaurus ('Brontosaurus'). Such dinosaurs had a very
small head and weak, rake-like teeth. that could only pull in
vegetation, which was swallowed without chewing. Stones
were swallowed, too. In the stomach (gizzard),
powerful muscular writhing actions worked like a
. .
grinding mill to make the stones crush and
pulp the food for better digestion
Gastroliths, or stomach stones, are from the digestive system of larger plant-eating dinosaurs, especially members of 'the sauropod group, such as Diplodocus, Brachiosaurus and Apatosaurus ('Brontosaurus'). Such dinosaurs had a very small head and weak, rake-like teeth. that could only pull in vegetation, which was swallowed without chewing. Stones were swallowed, too. In the stomach (gizzard), powerful muscular writhing actions worked like a . . grinding mill to make the stones crush and pulp the food for better digestion
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