Cheirurus

{{Short description|Genus of trilobites}}

{{Automatic taxobox

| fossil_range = {{fossil range|Ordovician|Middle Devonian}}

| image = Cheirurus NMNH.jpg

| image_caption = C. ingricus, National Museum of Natural History

| taxon = Cheirurus

| authority = Beyrich, 1845

| subdivision_ranks = Species

| subdivision = * Cheirurus dilatatus Raymond, 1916

• Cheirurus glaber Angelin, 1854
• Cheirurus niagarensis Hall, 1868
• Cheirurus patens Raymond, 1916

}}

Cheirurus (from Greek χείρ, cheir meaning "hand" and ουρά, oura meaning "tail") is a genus of phacopid trilobites that lived from the Ordovician to the Devonian.{{Cite journal |last1=Fatka |first1=Oldřich |last2=Budil |first2=Petr |date=2022-05-13 |title=Contribution of August Heinrich Ernst Beyrich to the knowledge of Ordovician trilobites in the Czech Republic |url=https://doi.org/10.1007/s12542-021-00595-2 |journal=PalZ |volume=96 |issue=4 |pages=669–687 |language=en |doi=10.1007/s12542-021-00595-2 |s2cid=248725365 |issn=1867-6812|url-access=subscription }}{{Cite journal |last=Haas |first=Winfried |date=1969 |title=Lower Devonian Trilobites from Central Nevada and Northern Mexico |url=https://www.jstor.org/stable/1302460 |journal=Journal of Paleontology |volume=43 |issue=3 |pages=641–659 |jstor=1302460 |issn=0022-3360}} Its remains have been found in Africa, Asia, Australia, Europe, and North America. Cheirurus is the type genus of Cheiruridae.