Om Skandin. Art. Slägtet Schismatomma, Opegrapha, Bactrospora: 24 (1869).

Basionym: Lecidea patellarioides Nyl., Mém. Soc. Sci. Nat. Cherbourg 2: 333 (1854).

Note: There is a variety conveca (B. de Lesd.) Egea & Torrente