Hadrokkosaurus fossil map
Where fossils of Hadrokkosaurus 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 | 247–244.4 million years ago |
| Periods | Triassic |
| Named by | Welles 1958 |
| Fossil records | 1 occurrences at 1 locations (PBDB) |
| Found in | United States |
| Rock formations | Moenkopi |
About Hadrokkosaurus
Hadrokkosaurus is an extinct genus of brachyopoid temnospondyl amphibian from the Middle Triassic of Arizona. It includes a single species, Hadrokkosaurus bradyi, known from the Moenkopi Formation.
Text in “About” is quoted from the Wikipedia article Hadrokkosaurus (revision 1378654495), 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: Q5638075.
