Arctonasua
| Arctonasua Temporal range: Miocene | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Carnivora |
| Superfamily: | Musteloidea |
| Family: | Procyonidae |
| Subfamily: | Procyoninae |
| Genus: | †Arctonasua Baskin, 1982 |
| Species | |
| |
Arctonasua is an extinct genus of raccoon-like procyonid of the Miocene, endemic to North America living from ~17.3—8.4 Mya, existing for approximately 8.9 million years.
Procyonidae includes the raccoons, coatis, kinkajous, olingos, ringtails and cacomistles. Procyonids inhabit a wide range of environments, and are generally omnivorous.
Species
A. eurybates
A. eurybates was named by Baskin (1982). Its type locality is ZXBar, which is in a Hemphillian terrestrial horizon in the Snake Creek Formation of Nebraska.[1]
Body mass
A single specimen was examined by Legendre and Roth for body mass.[2]
- Specimen: 17.3 kg (38 lb).
Fossil distribution
- ZXBar site aka Cook's Pliohippus Quarry, Sioux County, Nebraska, estimated age: ~10.5—10.4 Ma.
A. floridana
A. floridana was named by Baskin (1982) as a genotype. Its type locality is Love Bone Bed, which is in a Clarendonian marginal marine horizon in the Alachua Formation of Florida. It is the type species of Arctonasua.
Body mass
A single specimen was examined by Legendre and Roth for body mass.
- Specimen: 13.2 kg (29 lb)
Fossil distribution
- Love Bone Bed site, Alachua County, Florida, estimated age: ~11.5 Ma.
A. fricki
A. fricki was named by Baskin (1982).
Fossil distribution
- Optima site aka Guymon, OMNH V5, or UCMP V-2902, Texas County, Oklahoma, estimated age: ~8.4 Ma.
A. gracilis
A. gracilis was named by Baskin (1982).
Body mass
A single specimen was examined by Legendre and Roth for body mass.
- Specimen: 6.4 kg (14 lb).
Fossil distribution
- Egelhoff Quarry aka UNSM Kp-101, Brown County, Nebraska estimated age: ~8.4 Ma.
- Trinity River Pit 1 (TMM 40196), San Jacinto County, Texas, estimated age: ~17.3 Ma.
A. minima
A minima was named by Baskin (1982).
Body mass
A single specimen was examined by Legendre and Roth for body mass.
- Specimen: 5.28 kg (12 lb).
Fossil distribution
- Observation Quarry, Dawes County, Nebraska, estimated age: ~17.1 Ma.