| Rhytidosteus Temporal range: Early Triassic
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| Illustrations of the skull and a cross section of the tooth of Rhytidosteus capensis | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Order: | †Temnospondyli |
| Suborder: | †Stereospondyli |
| Superfamily: | †Rhytidosteoidea (?) |
| Family: | †Rhytidosteidae (?) |
| Genus: | †Rhytidosteus Owen, 1884 |
| Type species | |
| †Rhytidosteus capensis Owen, 1884
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Rhytidosteus is an extinct genus of temnospondyl amphibian from the Early Triassic of South Africa.[1] In 2019, the remains were also discovered in the Astrakhan region, Russia.
- ^ Dias-da-Silva, S.; Marsicano, C. (2011). "Phylogenetic reappraisal of Rhytidosteidae (Stereospondyli: Trematosauria), temnospondyl amphibians from the Permian and Triassic". Journal of Systematic Palaeontology. 9 (2): 305–325. doi:10.1080/14772019.2010.492664. hdl:11336/68471.