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gastrolith

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
gas·tro·lith  (gstr-lth)
n.
1. A pathological stony mass formed in the stomach; gastric calculus.
2. A small stone found in the stomach of some reptiles, fish, and birds that aids in digestion by helping grind ingested food material.
gastrolith [ˈgæstrəlɪθ]
n
(Medicine / Pathology) Pathol a stone in the stomach; gastric calculus
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The discovery of the gastroliths associated with this plesiosaur specimen were particularly exciting because most plesiosaur gastroliths are found associated with the long-neck morphotype," Schmeisser explained, adding that "the stones described in our paper are much lighter and smaller than those found in long-neck plesiosaurs.
Scientists discover sea monster with 289 Stones in its gut by Asian News International
The digestive tracts of both plesiosaurs also contained dozens of gastroliths, stones that paleontologists speculate were used to grind up hard-shelled prey and thereby aid digestion.
Some plesiosaurs went for clams by Science News
The only non-molluscan fauna include two small crayfish gastroliths.
Geology and geography by Journal of the Mississippi Academy of Sciences
 
 
 
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