Aspidosaurus fossil map
Where fossils of Aspidosaurus have been found, shown on the Earth as it looked about 275 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 275 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 | 303.7–266.9 million years ago (Gzhelian to Roadian) |
| Periods | Carboniferous, Permian |
| Family | Dissorophidae |
| Named by | Broili 1904 |
| Fossil records | 12 occurrences at 10 locations (PBDB) |
| Found in | United States, Russia |
| Rock formations | Belle Plains, Arroyo, txn:37017, Admiral, Cutler, Lueders |
About Aspidosaurus
Aspidosaurus is an extinct genus of dissorophoid temnospondyl within the family Dissorophidae.
Text in “About” is quoted from the Wikipedia article Aspidosaurus (revision 1354842797), 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: Q3564834.
