Annandale's rat (Sundamys annandalei) is a species of rodent in the family Muridae.
It is found in Indonesia (Sumatra), Peninsular Malaysia, and Singapore. It was classified as Rattus annandalei until 2017, but mitochondrial and nuclear DNA show that it belongs to the rat genus Sundamys.[2]
^Camacho-Sanchez, M., Jennifer A. Leonard, Yuli Fitriana, Marie-Ka Tilak, and Pierre-Henri Fabre. 2017. "The generic status of Rattus annandalei (Bonhote, 1903) (Rodentia, Murinae) and its evolutionary implications." Journal of Mammalogy, 98: 1340-1355