''Sedophascolomys'' is an extinct genus of

wombat Wombats are short-legged, muscular quadrupedal marsupials of the family Vombatidae that are native to Australia. Living species are about in length with small, stubby tails and weigh between . They are adaptable and habitat tolerant, and are ...

known from the

Pliocene The Pliocene ( ; also Pleiocene) is the epoch (geology), epoch in the geologic time scale that extends from 5.33 to 2.58Pleistocene The Pleistocene ( ; referred to colloquially as the ''ice age, Ice Age'') is the geological epoch (geology), epoch that lasted from to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fin ...

of Australia. There is a single recognised species, ''S. medius,'' which was formerly placed in the invalid genus ''Phascolomys.'' It was found in the northeastern and eastern regions of the continent. It is estimated to be somewhat larger than extant wombats, with a body mass of . The youngest remains of the genus date to the

Late Pleistocene The Late Pleistocene is an unofficial Age (geology), age in the international geologic timescale in chronostratigraphy, also known as the Upper Pleistocene from a Stratigraphy, stratigraphic perspective. It is intended to be the fourth division ...

, around 50–40,000 years ago. It is thought to be closely related to the giant wombat genera ''

Phascolonus ''Phascolonus'' is an extinct genus of giant wombat known from the Pliocene and Pleistocene of Australia. There is only a single known species, ''Phascolonus gigas'', the largest wombat ever known to have existed, estimated to weigh as much as 20 ...

'' and '' Ramsayia.''

References

{{Vombatiformes Prehistoric vombatiforms Prehistoric mammals of Australia Prehistoric marsupial genera Pleistocene life Fossil taxa described in 1872