Arctonasua is an extinct genus of raccoon-like procyonid

Procyonidae

Procyonidae is a New World family of the order Carnivora. It includes the raccoons, coatis, kinkajous, olingos, ringtails and cacomistles. Procyonids inhabit a wide range of environments, and are generally omnivorous.-Characteristics:...

 of the Miocene

Miocene

The Miocene is a geological epoch of the Neogene Period and extends from about . The Miocene was named by Sir Charles Lyell. Its name comes from the Greek words and and means "less recent" because it has 18% fewer modern sea invertebrates than the Pliocene. The Miocene follows the Oligocene...

, endemic to North America

North America

North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

 living from ~17.3—8.4 Mya, existing for approximately .

Procyonidae includes the raccoon

Procyon (genus)

Procyon is a genus of nocturnal mammals, comprising three species commonly known as raccoons, in the family Procyonidae. The most familiar species, the common raccoon , is often known simply as "the" raccoon, as the two other raccoon species in the genus are native only to the tropics and are...

s, coati

Coati

Coatis, genera Nasua and Nasuella, also known as the Brazilian aardvark, Mexican tejón, hog-nosed coon, pizotes, crackoons and snookum bears, are members of the raccoon family . They are diurnal mammals native to South America, Central America, and south-western North America...

s, kinkajou

Kinkajou

The kinkajou , also known as the honey bear , is a rainforest mammal of the family Procyonidae related to olingos, coatis, raccoons, and the ringtail and cacomistle. It is the only member of the genus Potos. Kinkajous may be mistaken for ferrets or monkeys, but are not closely related...

s, olingo

Olingo

Olingos are small procyonids that comprise the genus Bassaricyon, native to the rainforests of Central and South America from Nicaragua to Peru. They are arboreal and nocturnal, and live at elevations from sea level to 2,000 m...

s, ringtail

Ring-tailed Cat

The ringtail is a mammal of the raccoon family , native to arid regions of North America. It is also known as the ringtail cat, ring-tailed cat or miner's cat, and is also sometimes mistakenly called a "civet cat"...

s and cacomistle

Cacomistle

The cacomistle is a nocturnal, arboreal and omnivorous member of the carnivoran family Procyonidae. Its preferred habitats are wet, tropical, evergreen woodlands and mountain forests, though seasonally it will range into drier deciduous forests.Nowhere in its range is B. sumichrasti common...

s. Procyonids inhabit a wide range of environments, and are generally omnivorous

Omnivore

Omnivores are species that eat both plants and animals as their primary food source...

.

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.

Body mass

A single specimen was examined by Legendre and Roth for body mass.

• Specimen: 17.3 kg (38.1 lb).

Fossil distribution

• ZXBar site aka Cook's Pliohippus Quarry, Sioux County, Nebraska
  Sioux County, Nebraska
  -National protected areas:* Agate Fossil Beds National Monument* Nebraska National Forest * Oglala National Grassland -Demographics:...
  
  , 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 (29.1 lb)

Fossil distribution

• Love Bone Bed site, Alachua County, Florida
  Alachua County, Florida
  Alachua County is a county located in the U.S. state of Florida. The U.S. Census Bureau 2006 estimate for the county is 227,120. Its county seat is Gainesville, Florida. Alachua County is the home of the University of Florida and is also known for its diverse culture, local music, and artisans...
  
  , 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
  Texas County, Oklahoma
  Texas County is a county located in the U.S. state of Oklahoma. Texas County was formed at Oklahoma statehood from the central one-third of "Old Beaver County" also known as "No Man's Land"...
  
  , 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 (14.1 lb).

Fossil distribution

• Egelhoff Quarry aka UNSM Kp-101, Brown County, Nebraska
  Brown County, Nebraska
  -Demographics:As of the census of 2000, there were 3,525 people, 1,530 households, and 996 families residing in the county. The population density was 3 people per square mile . There were 1,916 housing units at an average density of 2 per square mile...
  
   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 (11.6 lb).

Fossil distribution

• Observation Quarry, Dawes County, Nebraska
  Dawes County, Nebraska
  -National protected areas:*Nebraska National Forest *Oglala National Grassland *Pine Ridge National Recreation Area-Demographics:As of the census of 2000, there were 9,060 people, 3,512 households, and 2,086 families residing in the county. The population density was 6 people per square mile...
  
  , estimated age: ~17.1 Ma.