| proechimys guyannensis | | Guyana: Demerara-Mahaica, Ceiba Biological Center | | 327505223 |
| proechimys guyannensis | | Guyana: Demerara-Mahaica, Ceiba Biological Station | | 327505215 |
| proechimys guyannensis | | Guyana: Demerara-Mahaica, Loo Creek, 68 Km S Of Georgetown, By Road | | 327505189 |
| proechimys guyannensis | | Guyana: Demerara-Mahaica, Ceiba Biological Station | | 327505179 |
| proechimys guyannensis | | Guyana: Demerara-Mahaica, Ceiba Biological Station | | 327505175 |
| proechimys guyannensis | | Guyana: Demerara-Mahaica, Ceiba Biological Center | | 327505155 |
| proechimys guyannensis | | Guyana: Demerara-Mahaica, Ceiba Biological Station | | 327505149 |