🦕 Prehistoric World Map

Oxyacodon fossil map

Where fossils of Oxyacodon have been found, shown on the Earth as it looked about 66 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 66 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 →

Oxyacodon
Image: NGPezz, CC BY 4.0, via Wikimedia Commons
GroupEarly mammals
Lived66–63.4 million years ago (Danian)
PeriodsPaleogene
FamilyPeriptychidae
Named byOsborn and Earle 1895
Fossil records58 occurrences at 15 locations (PBDB)
Found inUnited States, Canada
Rock formationsFerris, Fort Union, North Horn, Nacimiento, Tullock, Ludlow

About Oxyacodon

Oxyacodon is an extinct genus of condylarth of the family Periptychidae endemic to North America during the Early Paleocene living from 66 to 63.3 mya, existing for approximately 2.7 million years.

Text in “About” is quoted from the Wikipedia article Oxyacodon (revision 1355860204), 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: Q7115787.

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