''Metaliomys'' is an extinct genus of

Heteromyidae Heteromyidae is a family of rodents consisting of kangaroo rats, kangaroo mice, pocket mice and spiny pocket mice. Most heteromyids live in complex burrows within the deserts and grasslands of western North America, though species within th ...

that existed in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

during the Late Miocene period. The only species is ''Metaliomys sevierensis''.

References

Heteromyidae Miocene rodents Fossil taxa described in 2010 Extinct mammals of North America Prehistoric monotypic mammal genera {{Heteromyidae-stub