Arctonasua is an extinct genus of raccoon-like procyonid of the Miocene, endemic to North America.[1] It lived from ~16.0—4.9 Mya, existing for approximately 11 million years.
| Arctonasua Temporal range:
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Carnivora |
| Family: | Procyonidae |
| Genus: | †Arctonasua Baskin, 1982 |
| Type species | |
| †Arctonasua floridana | |
| Species | |
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See text | |
Species
edit- A. eurybates Baskin, 1982 - Sioux County, Nebraska, estimated age: ~10.5 Ma.
- A. floridana Baskin, 1982 - Alachua County, Florida, estimated age: ~11.5 Ma.
- A. fricki Baskin, 1982 - Texas County, Oklahoma, estimated age: ~8.4 Ma.
- A. gracilis Baskin, 1982 - Brown County, Nebraska and San Jacinto County, Texas, estimated age: ~8.4 Ma.
- A minima Baskin, 1982 - Dawes County, Nebraska, estimated age: ~17.1 Ma.