| Generic short diagnoses: Coprinoid, secotioid agaric with a tough, woody stipe, a basal volva, and black spores with distinct germ pores. Looks like a rotten Coprinus. Only marginally present in northern Europe. |

| Illustration and © Jan Vesterholt Spain, JV08-005 | 
| Illustration and © R. Chapmann USA, Arizona, 7.1988 | 
| Illustration and © Hollos L. 1903 | 
| Illustration and © Hollos L. 1903 |
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