The

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Aplodontiidae also known as Aplodontidae, Haplodontiidae or Haploodontini is traditionally classified as the sole extant family of the suborder Protrogomorpha. It may be the sister family of the

Sciuridae Squirrels are members of the family Sciuridae (), a family that includes small or medium-sized rodents. The squirrel family includes tree squirrels, ground squirrels (including chipmunks and prairie dogs, among others), and flying squirrel ...

. There are fossils from the

Oligocene The Oligocene ( ) is a geologic epoch (geology), epoch of the Paleogene Geologic time scale, Period that extends from about 33.9 million to 23 million years before the present ( to ). As with other older geologic periods, the rock beds that defin ...

until

Miocene The Miocene ( ) is the first epoch (geology), geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and mea ...

Asia Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...

, from Oligocene in

Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...

and from the Oligocene until the present in

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 ...

, where there is the only living species: the

mountain beaver The mountain beaver (''Aplodontia rufa'')Other names include boomer, mountain boomer, ground bear, giant mole, gehalis, sewellel, suwellel, showhurll, showtl, and showte, as well as a number of other Native American terms. "Mountain beaver" is a ...

(''Aplodontia rufa'').

Systematics

It includes the following genera: * ''

Aplodontia The mountain beaver (''Aplodontia rufa'')Other names include boomer, mountain boomer, ground bear, giant mole, gehalis, sewellel, suwellel, showhurll, showtl, and showte, as well as a number of other Native American terms. "Mountain beaver" is a ...

'' Richardson, 1829 * †'' Altasciurus '' Korth, 2019 * †'' Ameniscomys'' Dehm, 1950 * †'' Ansomys'' Qiu, 1987 * †'' Dakotallomys'' Tedrow and Korth, 1999 * †'' Disallomys'' Korth, 2009 * †'' Ephemeromys'' Wang & Heissig, 1984 * †'' Haplomys'' Miller and Gidley, 1918 * †'' Leptoromys'' Tedrow and Korth, 1997 * †'' Liodontia'' Miller and Gidley, 1918 * †'' Meniscomys'' Cope, 1879 * †''

Niglarodon Niglaradon is an extinct genus of mountain beaver in the family Aplodontiidae, found from Idaho to South Dakota during the Oligocene The Oligocene ( ) is a geologic epoch (geology), epoch of the Paleogene Geologic time scale, Period that exten ...

'' Black, 1961 * †''

Ninamys ''Ninamys'' was an extinct genus of rodents in the family Aplodontiidae that lived in China during the Oligocene The Oligocene ( ) is a geologic epoch (geology), epoch of the Paleogene Geologic time scale, Period that extends from about 33.9 ...

'' Vianey-Liaud, Rodrigues & Marivaux, 2013 * †''

Oligopetes ''Oligopetes'' is an extinct genus of rodents in the family of Aplodontiidae, found from Spain to Pakistan during the Oligocene The Oligocene ( ) is a geologic epoch (geology), epoch of the Paleogene Geologic time scale, Period that extends fro ...

'' Heissig, 1979 * †'' Paracitellus'' Dehm, 1950 * †'' Paransomys'' Vianey-Liaud, Rodrigues & Marivaux, 2013 * †'' Proansomys''Bi, Shundong, Jin Meng, Sarah McLean, Wenyu Wu, Xijun Ni & Jie Ye. 2013. A New Genus of Aplodontid Rodent (Mammalia, Rodentia) from the Late Oligocene of Northern Junggar Basin, China. Public Library of Science, ONE 8(1): e52625. Bi, Meng, McLean, Wu, Ni & Ye, 2013 * †''

Prosciurus ''Prosciurus'' is an extinct genus of rodents in the family of Aplodontiidae. Description In terms of both their morphology Morphology, from the Greek and meaning "study of shape", may refer to: Disciplines *Morphology (archaeology), study ...

'' Matthew, 1910 * †'' Pseudaplodon'' Miller, 1927 * †'' Sciurodon'' Schlosser, 1884 * †'' Selenomys'' Matthew and Granger, 1923 * †'' Sewelleladon'' Shotwell, 1958 * †'' Tardontia'' Shotwell, 1958 * †'' Trigonomys'' Heissig, 1979

References

{{Taxonbar, from=Q1887673 Rodent families Taxa named by Johann Friedrich von Brandt Extant Oligocene first appearances Sciuromorpha