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A gastrolith, also called a stomach stone or gizzard stone, is a rock held inside a gastrointestinal tract. Gastroliths in some species are retained in the muscular gizzard and used to grind food in animals lacking suitable grinding teeth. In other species the rocks are ingested and pass through the digestive system and are frequently replaced.
British fossil hunter Mary Anning noticed as early as 1824 that "bezoar stones" were often found in the abdominal region of ichthyosaur skeletons found in the Lias formation at Lyme Regis. [7] She also noted that if such stones were broken open they often contained fossilized fish bones and scales as well as sometimes bones from smaller ...
A bezoar stone (/ ˈ b i z ɔː r / BEE-zor) is a mass often found trapped in the gastrointestinal system, [2] though it can occur in other locations. [3] [4] A pseudobezoar is an indigestible object introduced intentionally into the digestive system. [5] There are several varieties of bezoar, some of which have inorganic constituents and ...
There, visitors can view pieces like the largest fossilized poo by a carnivorous animal, which measures 67.5 centimeters (26.6 inches) by 15.7 centimeters (6.2 inches) and likely came from a ...
This list of fossils with consumulites contains fossil specimens discovered to contain the preserved remains of food that the deceased animal had ingested during life. Such consumulites are a type of bromalite, the broader term applied to fossilized material ingested by an animal including waste expelled from the body like feces and vomit (regurgitalites).
A rare fossil discovery marks the first time a tyrannosaur’s stomach contents have been found, a new study says. The young apex predator was a cousin of T. rex.
A piece of fossilized vomit, dating back to when dinosaurs roamed the earth, was discovered in Denmark, the Museum of East Zealand said on Monday. A local amateur fossil hunter made the find on ...
As such, they can be broadly considered to be trace fossils. The most well-known types of bromalites are fossilized faeces or coprolites. However, other types are recognised, including: regurgitalites (fossilized remains of vomit or other regurgitated objects such as owl pellets); cololites (intestinal contents); and gastrolites (stomach contents).