Acinacodus fossil map
Where fossils of Acinacodus have been found, shown on the Earth as it looked about 115 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 115 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 | 121.4–113.2 million years ago (Aptian) |
| Periods | Cretaceous |
| Family | Amphidontidae |
| Named by | Lopatin et al. 2010 |
| Fossil records | 2 occurrences at 1 locations (PBDB) |
| Found in | Russia |
| Rock formations | Ilek |
About Acinacodus
Acinacodus is an extinct genus of amphidontid "eutriconodont" which existed in Shestakovo 1 locality in Western Siberia, Russia during the early Cretaceous period. It was described by A. V. Lopatin, E. N. Maschenko and A. O. Averianov in 2010, and the type species is Acinacodus tagaricus.
Text in “About” is quoted from the Wikipedia article Acinacodus (revision 1283168753), 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: Q4674154.
