| bolivia | cochabamba department | neacomys spinosus | species | 1 | 0 |
| brazil | | neacomys spinosus | species | 3 | 0 |
| brazil | acre | neacomys musseri | species | 5 | 0 |
| brazil | acre | neacomys spinosus | species | 3 | 0 |
| brazil | amazonas | neacomys guianae | species | 2 | 0 |
| brazil | amazonas | neacomys minutus | species | 5 | 0 |
| brazil | amazonas | neacomys paracou | species | 2 | 0 |
| brazil | mato grosso | neacomys spinosus | species | 1 | 0 |
| brazil | para | neacomys dubosti | species | 1 | 0 |
| brazil | para | neacomys paracou | species | 7 | 0 |
| colombia | antioquia department | neacomys tenuipes | species | 2 | 0 |
| colombia | bolivar department | neacomys tenuipes | species | 3 | 0 |
| colombia | caldas department | neacomys tenuipes | species | 3 | 0 |
| colombia | santander department | neacomys tenuipes | species | 1 | 0 |
| ecuador | | neacomys minutus | species | 3 | 0 |
| ecuador | francisco de orellana province | neacomys sp. avb-2011 | species | 93 | 0 |
| ecuador | francisco de orellana province | neacomys sp. bold:aaa7034 | no rank | 9 | 0 |
| ecuador | francisco de orellana province | neacomys spinosus | species | 6 | 0 |
| ecuador | napo province | neacomys sp. bold:aaa7034 | no rank | 25 | 0 |
| ecuador | napo province | neacomys spinosus | species | 12 | 0 |
| french guiana | | neacomys dubosti | species | 2 | 0 |
| french guiana | | neacomys paracou | species | 5 | 0 |
| guyana | barima-waini region | neacomys paracou | species | 1 | 0 |
| guyana | potaro-siparuni region | neacomys paracou | species | 2 | 0 |
| guyana | upper takutu-upper essequibo region | neacomys paracou | species | 1 | 0 |
| peru | amazonas region | neacomys spinosus | species | 5 | 1 |
| peru | cusco region | neacomys musseri | species | 2 | 0 |
| peru | loreto region | neacomys minutus | species | 3 | 0 |
| peru | loreto region | neacomys musseri | species | 3 | 0 |
| suriname | brokopondo district | neacomys paracou | species | 27 | 0 |
| suriname | nickerie district | neacomys guianae | species | 1 | 0 |
| suriname | nickerie district | neacomys paracou | species | 1 | 0 |