The Temnocyoninae are an extinct subfamily of medium-sized amphicyonids endemic to North America that lived during the Early Oligocene to Early Miocene about 30.8-20.43 million years ago (Mya) existing for around 10 million years.[1]
| Temnocyoninae Temporal range: | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Carnivora |
| Family: | †Amphicyonidae |
| Subfamily: | †Temnocyoninae Hunt, 1998 |
| Genera | |
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| Range of temnocyonines based on fossil record | |