A new species of the lichenized genus Fellhaneropsis is described from China. Fellhaneropsis sigmoidea W. C. Wang & J. C. Wei is characterized by a dispersed thallus, brown apothecia with an indistinct margin, 3-septate ascospores (14–20 μm in length), filiform-sigmoid conidia, and a foliicolous growth habit. The placement of the new species within Fellhaneropsis was confirmed by a molecular phylogenetic approach based on mtSSU sequence data. A world key to the species of the genus Fellhaneropsis is provided.
