Subgenus (Pleurolucina) W. H. Dall, 1901

(3-4-4-0-20-4-2-35-5-0-0-0-0)
Ref. Abbott, 1974 p 458
Lindner, 1977 p 106
[see also as Genus]

leucocyma (W. H. Dall, 1886) [T]
(3-4-4-0-20-4-2-35-5-1-0-0-0)
Four-rib Lucine, Four-ribbed Lucina
Ref. Abbott, 1974 p 458 d
Amer. Fish. Soc., 1988 p 35

leucocymoides (H. N. Lowe, 1935)
(3-4-4-0-20-4-2-35-5-2-0-0-0)
Ref. Abbott, 1974 p 458

undatoides (L. G. Hertlein & A. M. Strong, 1945)
(3-4-4-0-20-4-2-35-5-3-0-0-0)
Syn. Linga (Linga) undata P. P. Carpenter, 1865 [not J. B. P. A. de Lamarck, 1819]
Ref. Abbott, 1974 p 458