Derwentia fossil map
Where fossils of Derwentia 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 | 251.902–250.8 million years ago |
| Periods | Triassic |
| Family | Derwentiidae |
| Named by | Cosgriff 1974 |
| Fossil records | 2 occurrences at 2 locations (PBDB) |
| Found in | Australia |
| Rock formations | Knocklofty |
About Derwentia
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.
Text in “About” is quoted from the Wikipedia article Derwentia (amphibian) (revision 1354842990), 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: Q13416999.
