Xavier-Leite, A.B., Goto, B.T., Lücking, R. et al. New genera in the lichenized family Gomphillaceae (Ascomycota: Graphidales) focusing on neotropical taxa. Mycol Progress 22, 88 (2023).
Type species:Microxyphiomyces manaosensis Bat., Valle & Peres. = Microxyphiomyces vainioi (R. Sant.) Xavier-Leite, M. Cáceres & Lücking [MycoBank MB 850480]. Basionym: Tricharia vainioi R. Sant., Symb. Bot. Upsal. 12(1): 382 (1952).
Diagnosis: Lichenized; thallus continuous, smooth, with black setae; apothecia sessile, biatorine, rarely erumpent and chroodiscoid; ascospores transversely septate to muriform; hyphophores setiform, sometimes branched or hooked, black; diaphyphae fliform to moniliform.