As of July 2024[update], Species Fungorum (in the Catalogue of Life) accepts 16 species of Crypthonia,[3] but this does not yet account for three new species described from Brazil in 2024.[4]
^Frisch, Andreas; Thor, Göran (2009). "Crypthonia, a new genus of byssoid Arthoniaceae (lichenised Ascomycota)". Mycological Progress. 9 (2): 281–303. doi:10.1007/s11557-009-0639-8.
^ abcdAptroot, André; Cáceres, Marcela Eugenia da Silva; Santos, Lidiane Alves dos (2024). "The taxonomy of sterile Arthoniaceae from Brazil: white crusts on overhanging tropical trees can be named". The Lichenologist. 56 (1): 1–13. doi:10.1017/S0024282924000021.
^Aptroot, André; Sipman, Harrie J.M.; Käffer, Marcia; Martins, Suzana M.; Ferraro, Lidia Itatí; Cáceres, Marcela Eugenia da Silva (2014). "A world key to Stirtonia (Arthoniaceae), with three new Stirtonia species and one new Crypthonia species from the Neotropics". The Lichenologist. 46 (5): 673–679. doi:10.1017/S0024282914000280.
^ abLima, Edvaneide Leandro de; Mendonça, Cléverton de Oliveira; Aptroot, André; Cáceres, Marcela Eugenia da Silva (2013). "Two new species of Cryptothecia from NE Brazil". The Lichenologist. 45 (3): 361–365. doi:10.1017/s0024282912000862.