Aglaocetus fossil map
Where fossils of Aglaocetus have been found, shown on the Earth as it looked about 15 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 15 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 | 20.45–2.58 million years ago (Burdigalian to Piacenzian) |
| Periods | Neogene |
| Named by | Kellogg 1934 |
| Fossil records | 32 occurrences at 11 locations (PBDB) |
| Found in | Belgium, Netherlands, Japan, Argentina, United States, France |
| Rock formations | Diest, txn:NF, Breda, Berchem, Gaiman, Itahashi |
About Aglaocetus
Aglaocetus is a genus of extinct baleen whales known from the Miocene of Patagonia, the US Eastern Seaboard, Japan and the Low Countries. It was once considered a member of Cetotheriidae along with many other putative cetotheres, but was recently recognized as representing a distinct family from true Cetotheriidae.
Text in “About” is quoted from the Wikipedia article Aglaocetus (revision 1258117921), 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: Q3606588.
