Tokudaia
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| Tokudaia Fossil range: Late Pleistocene to Recent |
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Tokudaia is a genus of murine rodent native to Japan. Known as Ryūkyū spiny rats or spinous country-rats, population groups exist on several non-contigous islands[1]. Despite their common name and appearance, they are the closest living relatives of the Eurasian field mice (Apodemus).
Named species are:[verification needed]
At least the latter may be a cryptic species complex.

