| Name | Diplonema Griessmann |
| Authorship | Griessmann |
| Rank | Genus |
| NomenclaturalStatus | LaterHomonym |
| Placed in | Euglenophyta |
| Contains | Diplonema confervoideum (Lyngbye) Reinke |
| Remarks | non G. Don (1837). Type: D. breviciliatum K. Griessmann ('breviciliata') |
| Citation | 1913 [11 Nov 1913] Arch. Protistenk. 32: 58, 75 |