| Clevosaurs Temporal range:
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| Artist's illustration of Clevosaurus hadroprodon | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Rhynchocephalia |
| Suborder: | Sphenodontia |
| Family: | †Clevosauridae Bonaparte & Sues, 2006 |
| Genera | |
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Clevosaurs are an extinct group of rhynchocephalian reptiles from the Triassic and Jurassic periods.[1]
- ^ Bonaparte, J. F.; Sues, H. D. (2006). "A new species of clevosaurus (lepidosauria: rhynchocephalia) from the upper Triassic of Rio Grande do Sul, Brazil". Palaeontology. 49 (1): 917–923. doi:10.1111/j.1475-4983.2006.00568.x.