from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Any member of the
rodent tribeOryzomyini, including the rice rats.
Sorry, no etymologies found.
Only distantly related to these are Holochilus (the web-footed rats), Nectomys (the Neotropical water rats) and the recently discovered, poorly known Lundomys and Amphinectomys, all of which seem to be part of the rice rat [oryzomyine] group.