Yamatocetus fossil map
Where fossils of Yamatocetus have been found, shown on the Earth as it looked about 30 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 30 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 | 27.3–23.04 million years ago (Chattian) |
| Periods | Paleogene |
| Family | Eomysticetidae |
| Named by | Okazaki 2012 |
| Fossil records | 4 occurrences at 2 locations (PBDB) |
| Found in | Japan, New Zealand |
| Rock formations | Jinnobaru, Otekaike Limestone |
About Yamatocetus
Yamatocetus canaliculatus is an extinct species of eomysticetid baleen whale from the Late Oligocene of Japan.
Text in “About” is quoted from the Wikipedia article Yamatocetus (revision 1355367587), 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: Q25385774.
