| Name | Protothelenella Räsänen |
| Authorship | Räsänen |
| Rank | Genus |
| Placed in | Protothelenellaceae Vězda, H. Mayrhofer & Poelt |
| Contains | Protothelenella corrosa (Korb) H. Mayrhofer & Poelt Protothelenella santessonii H. Mayrhofer Protothelenella sp. Protothelenella sphinctrinoidella (Nylander) H. Mayrhofer & Poelt |
| Remarks | Type Species: P. reducta (Th. Fries) Räsänen (Microglaena reducta Th. Fries) |
| Citation | 1943 Ann. Bot. Soc. Zool.-Bot. Fenn. "Vanamo" 18(1): 102 |