| Ctenopterus Temporal range:
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|---|---|
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| Restoration and fossils | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Order: | †Eurypterida |
| Family: | †Stylonuridae |
| Subfamily: | †Laurieipterinae |
| Genus: | †Ctenopterus Clarke & Ruedemann, 1912 |
| Species: | †C. cestrotus
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| Binomial name | |
| †Ctenopterus cestrotus (Clarke, 1907)
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Ctenopterus is a genus of prehistoric eurypterid of the family Stylonuridae. It contains only one species, Ctenopterus cestrotus from the Early Silurian of Otisville, New York, United States.[1]
- ^ 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).