Subgenus (Semelina) W. H. Dall, 1900

(3-4-4-0-24-10-2-38-4-0-0-0-0)
Ref. Abbott, 1974 p 514
[see also as Genus]

nuculoides (T. A. Conrad, 1841) [T]
(3-4-4-0-24-10-2-38-4-1-0-0-0)
Nucula-like Semele
Syn. Semele (Semele) lirulata W. H. Dall, 1900
Ref. Abbott, 1974 p 514 d

subquadrata (P. P. Carpenter, 1857)
(3-4-4-0-24-10-2-38-4-2-0-0-0)
Ref. Abbott, 1974 p 514