Acrophoca fossil map
Where fossils of Acrophoca have been found, shown on the Earth as it looked about 5 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 5 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 | 11.63–5.333 million years ago (Tortonian to Messinian) |
| Periods | Neogene |
| Family | Phocidae |
| Named by | Muizon 1981 |
| Fossil records | 26 occurrences at 10 locations (PBDB) |
| Found in | Chile, Peru |
| Rock formations | Bahía Inglesa, Pisco |
About Acrophoca
Acrophoca longirostris, also known as the swan-necked seal, is an extinct genus of Late Miocene pinniped. It was thought to have been the ancestor of the modern leopard seal; however, it is now thought to be a species of monk seal.
Text in “About” is quoted from the Wikipedia article Acrophoca (revision 1371506848), 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: Q18604635.
