Aplodontiid
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Aplodontiid
The family 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. There are fossils from the Oligocene until Miocene in Asia, from Oligocene in Europe and from the Oligocene until the present in North America, where there is the only living species: the mountain beaver (''Aplodontia rufa''). Systematics It includes the following genera: * ''Aplodontia'' 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'' Black, 1961 * †''Ninamys'' Vianey-Liaud, Rodrigues & Marivaux, 20 ...
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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 of the shapes or forms of artifacts *Morphology (astronomy), study of the shape of astronomical objects such as nebulae, galaxies, ... and their relative size, the endocasts of ''P. relictus'' and ''P.'' aff. ''saskatchewanensis'' are both more similar to that of arboreal squirrels than that of later aplodontiids. References {{Taxonbar, from=Q11942913 Aplodontiidae Fossil taxa described in 1910 Prehistoric rodent genera ...
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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 define the epoch are well identified but the exact dates of the start and end of the epoch are slightly uncertain. The name Oligocene was coined in 1854 by the German paleontologist Heinrich Ernst Beyrich from his studies of marine beds in Belgium and Germany. The name comes from Ancient Greek (''olígos'') 'few' and (''kainós'') 'new', and refers to the sparsity of Neontology, extant forms of Mollusca, molluscs. The Oligocene is preceded by the Eocene Epoch and is followed by the Miocene Epoch. The Oligocene is the third and final epoch of the Paleogene Period. The Oligocene is often considered an important time of transition, a link between the archaic world of the tropical Eocene and the more modern ecosystems of the Miocene. Major chang ...
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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 from about 33.9 million to 23 million years before the present ( to ). As with other older geologic periods, the rock beds that defin .... References {{Taxonbar, from=Q11939319 Aplodontiidae Extinct rodents ...
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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 million to 23 million years before the present ( to ). As with other older geologic periods, the rock beds that defin .... References {{Taxonbar, from=Q56289906 Fossil taxa described in 2013 Aplodontiidae Extinct rodents Rodents of China ...
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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 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 .... References Aplodontiidae Extinct rodents † {{rodent-stub ...
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