Thysanopyge is an extinct genus from a well-known class of fossil marine arthropods, the trilobites.

It lived in what is now South America during the early part of the Arenig stage of the Ordovician Period,[1] a faunal stage which lasted from approximately 478 to 471 million years ago.

[1] Fossils of Thysanopyge have been found in:[2]

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