Hardieopterus

{{Short description|Extinct genus of arthropods}}

{{Italic title}}

{{Automatic taxobox

| name = Hardieopterus

| image = The Eurypterida of New York figure 64.jpg

| image_caption = Fossil of H. macrophthalmus

| fossil_range = Silurian, {{fossil_range|436|416}}

| display_parents = 2

| taxon = Hardieopterus

| authority = Waterston, 1979

| type_species = †Hardieopterus macrophthalmus

| type_species_authority = Laurie, 1892

| subdivision_ranks = Species

| subdivision =

• †?H. lanarkensis Waterston, 1979
• †H. macrophthalmus Salter, 1859
• †H. megalops Salter, 1859
• †H. myops Clarke, 1907

}}

Hardieopterus is a genus of prehistoric eurypterid classified within the family Hardieopteridae.{{Cite journal | last1 = Lamsdell | first1 = J. C. | last2 = Braddy | first2 = S. J. | last3 = Tetlie | first3 = O. E. | title = The systematics and phylogeny of the Stylonurina (Arthropoda: Chelicerata: Eurypterida) | doi = 10.1080/14772011003603564 | journal = Journal of Systematic Palaeontology | volume = 8 | pages = 49 | year = 2010 | doi-access = free }} The genus contains four species, all Silurian in age; H. lanarkensis and H. macrophthalmus from Scotland, H. megalops from England and H. myops from the United States.Dunlop, J. A., Penney, D. & Jekel, D. 2015. A summary list of fossil spiders and their relatives. In World Spider Catalog. Natural History Museum Bern, online at http://wsc.nmbe.ch , version 16.0 http://www.wsc.nmbe.ch/resources/fossils/Fossils16.0.pdf (PDF).