Subgenus (Codakia) G. A. Scopoli, 1777
(3-4-4-0-20-4-2-40-4-0-0-0-0) [see also as Genus] distinguenda G. W. Tryon, 1872 (3-4-4-0-20-4-2-40-4-1-0-0-0) [=Codakia (Codakia) distinguenda (G. W. Tryon, 1872)] Ref. Bernard, 1983 p 28
(3-4-4-0-20-4-2-40-4-0-0-0-0) [see also as Genus]
distinguenda G. W. Tryon, 1872 (3-4-4-0-20-4-2-40-4-1-0-0-0) [=Codakia (Codakia) distinguenda (G. W. Tryon, 1872)] Ref. Bernard, 1983 p 28