Subgenus (Pupillaea) G. B. Sowerby, 1835
(5-4-1-2-1-1-4-10-2-0-0-0-0) Ref. Lindner, 1977 p 33 aperta (G. B. Sowerby, 1825) (5-4-1-2-1-1-4-10-2-1-0-0-0) Double-edge Keyhole Limpet Ref. Abbott & Dance, 1982 p 27 c Kaicher, 1988 #5463 bw
(5-4-1-2-1-1-4-10-2-0-0-0-0) Ref. Lindner, 1977 p 33
aperta (G. B. Sowerby, 1825) (5-4-1-2-1-1-4-10-2-1-0-0-0) Double-edge Keyhole Limpet Ref. Abbott & Dance, 1982 p 27 c Kaicher, 1988 #5463 bw