Acheloma fossil map
Where fossils of Acheloma 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 | 298.9–274.4 million years ago (Asselian to Kungurian) |
| Periods | Permian |
| Family | Trematopidae |
| Named by | Cope 1882 |
| Fossil records | 9 occurrences at 7 locations (PBDB) |
| Found in | United States |
| Rock formations | txn:37047, Arroyo, Garber Sandstone, Archer City |
About Acheloma
Acheloma (also known as Trematops milleri) is an extinct genus of temnospondyl that lived during the Early Permian. The type species is A. cumminsi.
Text in “About” is quoted from the Wikipedia article Acheloma (revision 1350418235), 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: Q4673596.
