| Generic short diagnoses:
Resupinate, more rarely stipitate-pileate corticioids/hydnoids, with a smooth, odontoid, spinulose or poroid hymenophore and urniform, often 6- to 8-sterigmate basidia and typically oil-rich, clamped hyphae. |
Species example: |

Sistotrema raduloides - DK: "pigget kroneskorpe" |
Photo and © Thomas Læssøe/Jens H. Petersen Finland, TL-4216/JHP-96.106 |
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