| Tangasauridae Temporal range: Late Permian-Early Triassic,
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| Hovasaurus | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Neodiapsida |
| Family: | †Tangasauridae Haughton, 1924 |
| Subgroups | |
Tangasauridae is an extinct family of diapsids known from fossil specimens from Madagascar, Kenya and Tanzania that are Late Permian to Early Triassic in age. Fossils have been found of numerous specimens of common members of this family such as Hovasaurus in different stages of ontogenic development.[1] Recent material from the Middle Sakamena Formation of the Morondava Basin of Madagascar that dates back to the early Triassic period suggests that the Tangasauridae were relatively unaffected by the Permian-Triassic extinction event.[2]
- ^ Currie, Philip J and Carroll, Robert L. (1984) Ontogenic changes in the eosuchian reptile Thadeosaurus. Journal of Vertebrate Paleontology 4(1):68-84
- ^ Ketchum, H. F.; Barrett, P. M. (2004). "New reptile material from the Lower Triassic of Madagascar: implications for the Permian–Triassic extinction event". Canadian Journal of Earth Sciences. 44 (1): 1–8. Bibcode:2004CaJES..41....1K. doi:10.1139/e03-084.