Phylum Ascomycota [Caval.-Sm. (1998)] Subphylum Pezizomycotina [O.E. Erikss. & Winka (1997)] Class Lecanoromycetes [O.E. Erikss. & Winka (1997)] Subclass Lecanoromycetidae [P.M.Kirk, P.F. Cannon, J.C. David & Stalpers (2001), nom. inval.] Order Peltigerales [Walt. Watson (1929)] Suborder Peltigerineae Family Placynthiaceae [E. Dahl (1950), nom. cons.] Genus Placynthiopsis [Zahlbr. (1932)]