| Paraceraurus Temporal range: Ordovician
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| Paraceraurus exsul | |
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| Genus: | Paraceraurus Männil, 1958 [1]
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Paraceraurus is a genus of trilobites that lived in the Ordovician period (485.4 to 443.4 Ma). Its remains have been found in China, Estonia, Sweden and North America.[2] These trilobites have a rounded and moderately convex cephalon. Glabella is convex or flattened, with a sub-rectangular outline. Thorax shows eleven segments.[3]