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Palaeontology

Plant-eating dinosaur didn't chew food

By T.K. Randall
February 24, 2010 · Comment icon 5 comments

Image Credit: Gerhard Boeggemann
A newly discovered plant-eating dinosaur didn't chew its food at all but instead simply swallowed it straight up.
The rare find of intact sauropod skulls yields new clues in to how these giant lumbering dinosaurs ate their food, it showed that these massive creatures didn't have a system for chewing at all.
A team of paleontologists has discovered a new plant-eating dinosaur that didn't chew its food, but just grabbed it and swallowed it. The new dinosaur, which the paleontologists are calling Abydosaurus, belongs to the group of gigantic, long-necked, long-tailed, four-legged, plant-eating dinosaurs such as Brachiosaurus.


Source: Yahoo! News | Comments (5)

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Recent comments on this story
Comment icon #1 Posted by SameerPrehistorica 15 years ago
Ive read similar news like this before that Sauropods don't chew their food. They swallow stones called Gastrolyte to digest their food..
Comment icon #2 Posted by Samael 15 years ago
I'm pretty sure sauropods in general didn't have the luxury of being able to chew. Their teeth were uniformly designed for stripping leaves and nothing else, and they're unlikely to have had any kind of cheek to stop food from falling out the sides of their mouths while they chewed, unlike what the ornithopods are believed to have had.
Comment icon #3 Posted by danielost 15 years ago
the only type of animal that i know of that actually chews it food are mammals. all others grab a mouth full and swallow. and some of the mammals also just swallow.
Comment icon #4 Posted by Mandrake 15 years ago
the only type of animal that i know of that actually chews it food are mammals. all others grab a mouth full and swallow. and some of the mammals also just swallow. I'm sure I've seen lizards and insects that masticate.
Comment icon #5 Posted by Mandrake 15 years ago
I seem to recall that some herbivore dinosaurs had gizzards like birds, where stones crushed and processed the plant matter? They also found one that seemed to have choked to death, which must have been a common occurence for these long-necked varies. Very interesting...


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