| Rank | Scientific name | Taxonomic status |
|---|---|---|
| family | Harpellaceae | accepted |
| family | Legeriomycetaceae | accepted |
| genus | Bactromyces R.T.William & D.B.Strongman, 2011 | accepted |
| genus | Dacryodiomyces R.W.Lichtwardt, 2011 | accepted |
| genus | Ephemerellomyces M.M.White & Lichtw. | accepted |
| genus | Laculus R.T.William & D.B.Strongman, 2011 | accepted |
| genus | Opuntiella L.Léger & M.Gauthier | doubtful |
| genus | Pseudoharpella Ferrington, M.M.White & Lichtw. | accepted |
| genus | Sinotrichium | accepted |
| genus | Trifoliellum D.B.Strongman & M.M.White, 2011 | accepted |
| genus | Trissocladomyces | accepted |
Harpellales. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-11-15.