Haplolambda fossil map
Where fossils of Haplolambda have been found, shown on the Earth as it looked about 56 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 56 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 mammals |
|---|---|
| Lived | 61.66–56 million years ago (Selandian to Thanetian) |
| Periods | Paleogene |
| Family | Barylambdidae |
| Named by | Patterson 1939 |
| Fossil records | 18 occurrences at 9 locations (PBDB) |
| Found in | United States, China, Mongolia |
| Rock formations | Fort Union, Naran Bulak, Flagstaff, DeBeque, Chijiang, txn:40566 |
About Haplolambda
Haplolambda is an extinct genus of pantodont mammals in the family Barylambdidae from the Paleocene of North America, containing two species: H. quinni known from Colorado and H. simpsoni from Utah.
Text in “About” is quoted from the Wikipedia article Haplolambda (revision 1309864842), 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: Q20817834.
