Mahavisaurus fossil map
Where fossils of Mahavisaurus have been found, shown on the Earth as it looked about 252 million years ago and on today’s map.
Dots are fossil collections recorded in the Paleobiology Database. The “then” view moves today’s fossil sites back to their positions 252 million years ago (the time slice nearest the median age of the fossils) using the Merdith et al. (2021) plate model; positions are approximate. Open on the timeline map →
| Group | Early tetrapods & amphibians |
|---|---|
| Lived | 251.902–248.6 million years ago |
| Periods | Triassic |
| Family | Rhytidosteidae |
| Named by | Lehman 1966 |
| Fossil records | 5 occurrences at 5 locations (PBDB) |
| Found in | Madagascar |
| Rock formations | Middle Sakamena, txn:37110 |
About Mahavisaurus
Mahavisaurus is an extinct genus of rhytidosteid temnospondyl from the early Triassic period (Induan stage) of Iraro, Madagascar. It is known from the holotype MNHN MAE 3037, a nearly complete skull, recovered from the Middle Sakamena Formation. This genus was named by J. P. Lehman in 1966, and the type species is Mahavisaurus dentatus.
Text in “About” is quoted from the Wikipedia article Mahavisaurus (revision 1350232851), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 23 October 2026. Ages are those of the rock layers the fossils were found in. Wikidata: Q16754784.
