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CCDB → Bryophytes → Pottiaceae → Timmiella
| Taxon name | Status | Median (n) |
| Timmiella anomala (Bruch & Schimp.) Limpr. | Accepted | 14 |
| Timmiella barbuloides (Brid.) Mönk. | Accepted | 15 |
| Timmiella diminuta (M. Hal.) P. C. Chen | Accepted | 14 |
| Timmiella subintegra Dixon | Accepted | 14 |
| Timmiella flexiseta var. vancouveriensis (Broth.) Grout | Synonym of Timmiella crassinervis (Hampe) L. F. Koch | 14 |
| Timmiella vancouveriensis Broth. | Synonym of Timmiella crassinervis (Hampe) L. F. Koch | 14 |