Semantor fossil map
Where fossils of Semantor 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 | 5.333–2.58 million years ago (Zanclean to Piacenzian) |
| Periods | Neogene |
| Named by | Orlov 1932 |
| Fossil records | 2 occurrences at 1 locations (PBDB) |
| Found in | Russia |
| Rock formations | txn:NF |
About Semantor
Semantor is an extinct genus of stem-pinniped that belongs to and is the type genus for the family Semantoridae. It lived in Kazakhstan during the upper Miocene epoch. It is a monotypic genus containing one species, Semantor macrurus.
It has characteristics similar to that of otters and seals possibly occupying a similar life-style but part of a different clade of animals.
Text in “About” is quoted from the Wikipedia article Semantor (revision 1328300739), 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: Q48528770.
