Subcyclotosaurus fossil map
Where fossils of Subcyclotosaurus 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 | 247–241.464 million years ago |
| Periods | Triassic |
| Family | Mastodonsauridae |
| Named by | Watson 1958 |
| Fossil records | 1 occurrences at 1 locations (PBDB) |
| Found in | Australia |
| Rock formations | Hawkesbury Sandstone |
About Subcyclotosaurus
Subcyclotosaurus is an extinct genus of carnivorous mastodonsaurid temnospondyl. It is known from a single partial skull from the Hawkesbury Sandstone formation in Australia.
Text in “About” is quoted from the Wikipedia article Subcyclotosaurus (revision 1289870245), 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: Q7630998.