''Paradaphoenus'' is a physically small

amphicyonid Amphicyonidae is an extinct family of terrestrial carnivorans belonging to the suborder Caniformia. They first appeared in North America in the middle Eocene (around 45 mya), spread to Europe by the late Eocene (35 mya), and further spread to Asi ...

that inhabited

North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...

from the

Early Oligocene The Rupelian is, in the geologic timescale, the older of two age (geology), ages or the lower of two stage (stratigraphy), stages of the Oligocene epoch (geology), Epoch/series (stratigraphy), Series. It spans the time between . It is preceded b ...

to the

Middle Miocene The Middle Miocene is a sub-epoch of the Miocene epoch (geology), epoch made up of two Stage (stratigraphy), stages: the Langhian and Serravallian stages. The Middle Miocene is preceded by the Early Miocene. The sub-epoch lasted from 15.97 ± 0. ...

, 33.3—15.97 Ma, existing for approximately .Paleobiology Database: ''Paradaphoenus'', age range and collections
/ref> Fossils have been found at Haystack,

Oregon Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...

Banner County, Nebraska Banner County is a County (United States), county in the western part of the U.S. state of Nebraska in the Great Plains region of the United States. As of the 2020 United States census, its population was 674. Its county seat is the unincorpora ...

Dawes County, Nebraska Dawes County is a county in the U.S. state of Nebraska. As of the 2020 United States census, the population was 8,199. Its county seat is Chadron. The county was formed in 1885; it was named for James W. Dawes, the Nebraska Governor at the ti ...

, and Sheep Mtn,

South Dakota South Dakota (; Sioux language, Sioux: , ) is a U.S. state, state in the West North Central states, North Central region of the United States. It is also part of the Great Plains. South Dakota is named after the Dakota people, Dakota Sioux ...

Sources

Cenozoic mammals of North America Amphicyonidae Miocene carnivorans Burdigalian genus extinctions Rupelian genus first appearances Prehistoric carnivoran genera {{paleo-carnivora-stub