Thermutis
Thermutis is a small genus of cyanolichens in the family Porocyphaceae. It was formerly treated in Lichinaceae, but a 2024 multilocus re-classification of the class Lichinomycetes emended Porocyphaceae and included Thermutis there. Species are minute, dark lichens with, often gelatinous to thalli that occur on rock or soil in open, periodically wet microhabitats. Their sexual structures commonly develop as ; the asci are and the ascospores and colourless.
The genus comprises two species: Thermutis compacta and Thermutis velutina.