| Derwentia Temporal range: Early Triassic
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Order: | †Temnospondyli |
| Suborder: | †Stereospondyli |
| Family: | †Rhytidosteidae |
| Subfamily: | †Derwentiinae |
| Genus: | †Derwentia Cosgriff, 1974 |
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Derwentia is an extinct genus of trematosaurian temnospondyl within the family Rhytidosteidae. It is known from a single skull found from the Knocklofty Sandstone of Tasmania, which is Early Triassic in age.[1]
- ^ Warren, A.; Black, T. (1985). "A new rhytidosteid (Amphibia, Labyrinthodontia) from the Early Triassic Arcadia Formation of Queensland, Australia, and the relationships of Triassic temnospondyls". Journal of Vertebrate Paleontology. 5 (4): 303–327. doi:10.1080/02724634.1985.10011868.