Melomastia Nitschke ex Sacc., Atti Soc. Veneto-Trent. Sci. Nat., Padova, Sér. 4 4: 90 (1875).

MycoBank number: MB 3118; Index Fungorum number: IF 3118; Facesoffungi number: FoF 07673; 24 morphological species (Species Fungorum 2020), 2 species with molecular data.

Type species: Melomastia mastoidea (Fr.) J. Schröt., in Chon, Krypt. -Fl. Schlesien (Breslau) 3.2(3): 320 (1894)[1908].

Sphaeria mastoidea Fr., K. svenska Vetensk-Akad. Handl., ser. 3 38: 267 (1817).

Notes: Melomastia was introduced by Saccardo (1875) to accommodate the type species M. friesii. Schröter (1894) synonymized M. friesii under M. mastoidea. Species of Melomastia are characterized by immersed, black, ostiolate ascomata, cylindrical, thick-walled, pedicellate asci with a J- subapical ring, and ovoid, hyaline, 2-septate, guttulate ascospores (Norphanphoun et al. 2017).