Subgenus (Margaritopsis) J. Thiele, 1906

(5-4-1-3-2-11-11-8-5-0-0-0-0)
Ref. Abbott, 1974 p 37

giganteus (J. W. Leche, 1878) [T]
(5-4-1-3-2-11-11-8-5-1-0-0-0)
Syn. Margarites (Margarites) frielei A. Krause, 1885;
Margarites (Margarites) probilofensis W. H. Dall, 1919
Ref. Abbott, 1974 p 37