Subgenus (Timoclea) T. Brown, 1827

(3-4-4-0-26-7-1-15-10-0-0-0-0)
Ref. Abbott, 1974 p 525
Bernard, 1983 p 52
Keen, 1971 p 192
[see also as Genus]

effeminata (R. E. C. Stearns, 1890)[(1891)]
(3-4-4-0-26-7-1-15-10-1-0-0-0)
Ref. Keen, 1971 p 192 d
Syn. Venus (Venus) effeminata R. E. C. Stearns, 1891
Ref. Bernard, 1983 p 52

grus (F. S. Holmes, 1858)
(3-4-4-0-26-7-1-15-10-2-0-0-0)
Gray Pygmy Venus, Gray Pygmy-venus
Ref. Abbott, 1974 p 525 bw
Amer. Fish. Soc., 1988 p 44

ovata (T. Pennant, 1777) [T]
(3-4-4-0-26-7-1-15-10-3-0-0-0)
Ref. Abbott, 1974 p 525
Keen, 1971 p 192

pertincta W. H. Dall, 1902
(3-4-4-0-26-7-1-15-10-4-0-0-0)
[=Protothaca (Notochione) pertincta (W. H. Dall, 1902)]
Ref. Bernard, 1983 p 53

picta G. Willett, 1944
(3-4-4-0-26-7-1-15-10-5-0-0-0)
Ref. Abbott, 1974 p 525
Keen, 1971 p 192
Syn. Chione (Nioche) picta ex W. H. Dall, ms, G. Willett, 1944
Ref. Bernard, 1983 p 52

pygmaea (J. B. P. A. de Lamarck, 1818)
(3-4-4-0-26-7-1-15-10-6-0-0-0)
Pygmy Venus, White Pygmy Venus
Ref. Abbott, 1974 p 525 bw
Amer. Fish. Soc., 1988 p 44

squamosa (P. P. Carpenter, 1857)
(3-4-4-0-26-7-1-15-10-7-0-0-0)
Syn. Chione (Chione) troglodytes (O. A. L. Morch, 1861)
Ref. Abbott, 1974 p 525
Syn. Tapes (Tapes) squamosa P. P. Carpenter, 1857;
Venus (Venus) troglodytes O. A. L. Morch, 1861
Ref. Bernard, 1983 p 52
Syn. Venus (Venus) troglodytes O. A. L. Morch, 1861
Ref. Keen, 1971 p 192 bw d