A fossilized or preserved joint structure from an ancient organism, particularly from arthropods or other segmented creatures.
From Latin 'articulus' (joint) + '-lite' (stone), combining the root for joint with the suffix indicating a fossilized remains. The term emerged in 19th-century paleontology to describe preserved jointed structures.
Articulites are windows into deep time—paleontologists can often identify extinct creatures just by their fossilized joints, revealing that segmented body plans have been incredibly successful for over 500 million years.
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