Argynna Morgan, J. Cincinnati Soc. Nat. Hist. 18: 41 (1895).
MycoBank number: MB 306; Index Fungorum number: IF 306; Facesoffungi numbers: FoF 06387; 1 morphological species (Species Fungorum 2020), molecular data unavailable.
Type species: Argynna polyhedron (Schwein.) Morgan.
Notes: Argynna comprises a single species, Argynna polyhedron (Morgan 1895). The genus is characterized by solitary, superficial apothecia and 1-septate papilionaceous, light brown, smooth-walled ascospores with a dark band at the septum. Argynna polyhedron is a rare species and lacks molecular data to allow its taxonomic placement.