Cat. Lich. Univers. 3: 22 (1924) [1925]. Basionym: Omphalaria umbella Tuck., in Nylander, Syn. meth. lich. (Parisiis) 1(1): 105 (1858).
Basionym: Omphalaria umbella Tuck., in Nylander, Syn. meth. lich. (Parisiis) 1(1): 105 (1858).