Peltostega fossil map
Where fossils of Peltostega 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 | 250.8–248.6 million years ago |
| Periods | Triassic |
| Named by | Wiman 1916 |
| Fossil records | 3 occurrences at 3 locations (PBDB) |
| Found in | Svalbard and Jan Mayen |
| Rock formations | Kongressfjellet |
About Peltostega
Peltostega is an extinct genus of prehistoric trematosaurians. The type is the only known species, Peltostega erici It is known from the Early Triassic Kongressfjellet Formation of Svalbard.
Text in “About” is quoted from the Wikipedia article Peltostega (revision 1283165386), 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: Q7161774.