Basionym: Nummularia Tul. & C. Tul., Selecta Fungorum Carpologia, Tomus Secundus. Xylariei - Valsei - Sphaeriei 2: 42 (1863) [MB#3527] Obligate synonyms: - Kommamyce Nieuwl., The American Midland Naturalist 4: 375 (1916) [MB#2579] - Numulariola House, Bulletin of the New York State Museum 266: 49 (1925) [MB#3530] Taxonomic synonyms: - Albocrustum McGinty, Mycological Writings 7 (75): 1353 (1925) [MB#111] - Nummulariella Eckblad & Granmo, Norwegian Journal of Botany 25: 9 (1978) [MB#3528]