Description: Gastrolites are stomach stones used within the digestive tract of an animal. Gastrolites are stomach stones used within the digestive tract of an animal. Herbivorous dinosaurs used large amounts of rocks to crush the plant matter they fed on. 
 Era: Mesozoic
 Period: Lower Cretaceous
 Origin: Carter Country, Oklahoma (USA)
 Measurements: 4 x 4.5 cm / 1.57 x 1.77 "
 Weight: 96g
 
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