Alwynulus

{{Short description|Extinct genus of trilobites}}

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| taxon = Alwynulus

| authority = Tripp, 1967

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Alwynulus is a genus of trilobites in the order Phacopida, which existed in what is now Scotland. It was described by Tripp in 1967, and the type species is Alwynulus peregrinus.[http://www.trilobites.info/generic_names_Jell%26Adrain2003.pdf Available Generic Names for Trilobites] P.A. Jell and J.M. Adrain.