| Oxyallagma dissidens | USNM | 1997-02-01 19:00:00 | Lago San Pablo, adjacent to southern shore, marshes and pools |
| Oxyallagma dissidens | USNM | 1980-10-31 19:00:00 | Lago de Cotacachi |
| Oxyallagma dissidens | USNM | 1997-11-03 19:00:00 | near Tinajila Pass, approx. 52 km S of Cuenca on Hwy 35, seapage pool in pasture |
| Oxyallagma dissidens | USNM | 1997-02-01 19:00:00 | Lago San Pablo, adjacent to southern shore, marshes and pools |
| Oxyallagma dissidens | iNaturalist | 2015-05-19 07:13:00 | |
| Oxyallagma dissidens | USNM | 1997-11-03 19:00:00 | 20.5 km S of Azuay Prov. Border on Hwy 35, small stream |
| Oxyallagma dissidens | iNaturalist | 2007-07-09 19:00:00 | |
| Oxyallagma dissidens | iNaturalist | 2009-11-25 12:09:00 | |