Trechisporales
Clades: Polyporomycetes; Basidiomycota; Fungi; Plants.
Members: 1 family; 15 genera; 105 species.
Families
Hydnodontaceae: Aegeritina, Brevicellicium, Dextrinocystis, Dextrinodontia, Fibriciellum, Litschauerella, Luellia, Porpomyces, Sistotremella, Sphaerobasidium, Subulicystidium, Trechispora, Tubulicium.
Uncertain: Brevicellopsis, Sistotremastrum.