| reithrodontomys mexicanus | | Nicaragua: Cerro Madera, Ometepe Island | | 327419656 |
| reithrodontomys mexicanus | | Nicaragua: Ometepe Island, Volcan Madera | | 327419664 |
| reithrodontomys mexicanus | | Nicaragua: Ometepe Island, Volcan Madera | | 327419666 |
| reithrodontomys mexicanus | | Nicaragua: Ometepe Island, Volcan Madera | | 327419672 |