| Order | Araneae Clerck, 1757 |
| Family | Pholcidae C.L. Koch, 1850 |
| Genus | Modisimus Simon, 1893 |
| Species | Modismis chiapanecus Garcia-Villafuerte & Valdez-Mondragón, 2020 |
| Locality | Chiapas, Simojovel, Los Cocos |
| Referred Material | Holotype IHNFG 5890; |
| Life state | Male |
| Repository | IHNE |
| Source (Pags) | García-Villafuerte & Valdéz-Mondragón 2020 |