🦕 Prehistoric World Map

Sinopa fossil map

Where fossils of Sinopa have been found, shown on the Earth as it looked about 45 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 45 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 →

GroupEarly mammals
Lived59.24–27.3 million years ago (Thanetian to Rupelian)
PeriodsPaleogene
FamilyHyaenodontidae
Named byLeidy 1871
Fossil records94 occurrences at 20 locations (PBDB)
Found inUnited States, Egypt, Mongolia, China
Rock formationsBridger, Washakie, Devil's Graveyard, Green River, San Jose, Willwood

About Sinopa

Sinopa ("swift fox") is an extinct genus of placental mammals from extinct clade Sinopinae within extinct order Hyaenodonta, that lived in North America and Asia from the early to middle Eocene.

Text in “About” is quoted from the Wikipedia article Sinopa (revision 1379313314), 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: Q7524925.

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