Presbytis rubicunda (maroon leaf monkey)
Mass: 6.1 kg based on Schultz 1940, Washburn 1942 and Wright and Willis 2012
Latitudinal range: 0.5° to 5.4°Habitats: tropical/subtropical moist broadleaf forest (4)
onlyFound in 4 samples
Indonesia: PT. REA Kaltim Estates
Malaysia: Deramakot Forest Reserve, Imbak Canyon Conservation Area, Segaliud Lokan Forest Reserve
Size measurements:
| ♀ body mass | 5600 kg | N = 6 | Schultz 1940 |
| ♀ body mass | 6000 kg | N = 17 | Washburn 1942 |
| ♀ body mass | 5900 kg | N = 1 | Wright and Willis 2012 |
| ♂ body mass | 6270 kg | N = 5 | Schultz 1940 |
| ♂ body mass | 6200 kg | N = 19 | Washburn 1942 |
| ♂ body mass | 6292.69 kg | N = 1 | Wright and Willis 2012 |
| ♀ skull length | 73 mm | N = 17 | Washburn 1942 |
| ♂ skull length | 74 mm | N = 19 | Washburn 1942 |
| ♀ skull width | 61 mm | N = 17 | Washburn 1942 |
| ♂ skull width | 62 mm | N = 19 | Washburn 1942 |
See also Presbytis, Presbytis hosei, Presbytis siamensis, Presbytis sp.