| Author: | Carleton and Olson, 1999. |
| Citation: | Am. Mus. Novit., 3256: 9. |
| Type Species: | Noronhomys vespuccii Carleton and Olson, 1999. |
| Comments: | Oryzomyini. An extinct insular endemic and tetralophodont form most closely related to Holochilus according to cladistic interpretation of craniodental characters (Carleton and Olson, 1999). |
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