| bolivia | | marmosops bishopi | species | 6 | 0 |
| bolivia | | marmosops creightoni | species | 3 | 0 |
| bolivia | | marmosops noctivagus | species | 13 | 0 |
| bolivia | | marmosops ocellatus | species | 9 | 0 |
| brazil | | marmosops bishopi | species | 3 | 0 |
| brazil | | marmosops caucae | species | 3 | 0 |
| brazil | | marmosops incanus | species | 83 | 0 |
| brazil | | marmosops noctivagus | species | 7 | 0 |
| brazil | | marmosops ocellatus | species | 3 | 0 |
| brazil | | marmosops paulensis | species | 14 | 0 |
| brazil | | marmosops pinheiroi | species | 4 | 0 |
| brazil | amazonas | marmosops pinheiroi | species | 0 | 1 |
| brazil | bahia | marmosops incanus | species | 1 | 1 |
| brazil | espirito santo | marmosops incanus | species | 2 | 1 |
| brazil | maranhao | marmosops pinheiroi | species | 4 | 0 |
| brazil | minas gerais | marmosops incanus | species | 255 | 2 |
| brazil | rio de janeiro | marmosops incanus | species | 0 | 3 |
| brazil | rio de janeiro | marmosops paulensis | species | 2 | 0 |
| colombia | | marmosops bishopi | species | 12 | 0 |
| colombia | | marmosops caucae | species | 13 | 0 |
| colombia | | marmosops handleyi | species | 4 | 0 |
| colombia | | marmosops noctivagus | species | 1 | 0 |
| ecuador | | marmosops caucae | species | 14 | 0 |
| ecuador | | marmosops noctivagus | species | 3 | 0 |
| ecuador | francisco de orellana province | marmosops invictus | species | 2 | 0 |
| ecuador | francisco de orellana province | marmosops noctivagus | species | 1 | 0 |
| ecuador | francisco de orellana province | marmosops sp. avb-2011 | species | 1 | 0 |
| ecuador | napo province | marmosops noctivagus | species | 1 | 0 |
| french guiana | | marmosops parvidens | species | 10 | 0 |
| french guiana | | marmosops pinheiroi | species | 7 | 0 |
| guyana | | marmosops pakaraimae | species | 1 | 0 |
| guyana | | marmosops parvidens | species | 4 | 0 |
| guyana | cuyuni-mazaruni region | marmosops pakaraimae | species | 1 | 0 |
| guyana | potaro-siparuni region | marmosops pakaraimae | species | 2 | 0 |
| guyana | potaro-siparuni region | marmosops pinheiroi | species | 8 | 0 |
| guyana | upper takutu-upper essequibo region | marmosops parvidens | species | 1 | 0 |
| panama | | marmosops caucae | species | 1 | 0 |
| panama | | marmosops invictus | species | 2 | 0 |
| panama | darien province | marmosops invictus | species | 1 | 0 |
| peru | | marmosops bishopi | species | 9 | 0 |
| peru | | marmosops caucae | species | 18 | 0 |
| peru | | marmosops juninensis | species | 1 | 0 |
| peru | | marmosops noctivagus | species | 28 | 0 |
| peru | | marmosops ocellatus | species | 6 | 0 |
| peru | loreto region | marmosops bishopi | species | 4 | 0 |
| peru | loreto region | marmosops impavidus | species | 3 | 0 |
| peru | loreto region | marmosops noctivagus | species | 6 | 0 |
| suriname | | marmosops pinheiroi | species | 1 | 0 |
| suriname | nickerie district | marmosops pinheiroi | species | 1 | 0 |
| suriname | paramaribo district | marmosops parvidens | species | 3 | 0 |
| suriname | paramaribo district | marmosops pinheiroi | species | 1 | 0 |
| trinidad and tobago | | marmosops carri | species | 1 | 0 |
| venezuela | | marmosops carri | species | 5 | 0 |
| venezuela | | marmosops caucae | species | 4 | 0 |
| venezuela | | marmosops fuscatus | species | 5 | 0 |
| venezuela | | marmosops ojastii | species | 2 | 0 |