Flywheel obtusum sporarum (Xerocomellus truncatus)
- Division: Basidiomycota (Basidiomycetes)
- Subdivision: Agaricomycotina (Agaricomycetes)
- Classis: Agaricomycetes (Agaricomycetes)
- Subclass: Agaricomycetidae (Agaricomycetes)
- Order: Boletales (Boletales)
- Genus: Boletaceae (Boletaceae)
- Genus: Xerocomellus (Xerocomellus vel Mohovichok)
- Type: Xerocomellus truncatus
Simillimum est aliis muscosis fungorum, sed ab illis in iurgiis obtuso fine ("sectis") differt. Memoratur in Europa et America Septentrionali; intra priorem USSR notatur in parte Europae (plures regiones Ucrainae, regionis Saratov) et in Caucaso septentrionali.