Subgenus (Yoldia) H. P. C. Moller, 1842
(3-6-1-0-3-14-1-7-6-0-0-0-0)
Ref. Bernard, 1983 p 13abyssicola O. M. Torell, 1859
(3-6-1-0-3-14-1-7-6-1-0-0-0)
[=Yoldiella (Yoldiella) lenticula (H. P. C. Moller, 1842)]
Ref. Bernard, 1983 p 14amygdalea (A. Valenciennes, 1846)
(3-6-1-0-3-14-1-7-6-2-0-0-0)
Syn. Nucula (Nucula) amygdalea A. Valenciennes in A. Petit- Thouars, 1846;
Yoldia (Yoldia) gardneri I. S. Oldroyd, 1935;
Yoldia (Yoldia) hyperborea limatuloides K. W. Ockelmann, 1954;
Yoldia (Yoldia) norvegica P. Dautzenberg & P. Fischer, 1912
Ref. Bernard, 1983 p 13arctica H. P. C. Moller, 1842
(3-6-1-0-3-14-1-7-6-3-0-0-0)
[=Yoldia (Yoldia) hyperborea O. M. Torell, 1859]
Ref. Bernard, 1983 p 13inflata J. W. Leche, 1883
(3-6-1-0-3-14-1-7-6-3-1-0-0)
[=Portlandia (Portlandia) arctica (J. E. Gray, 1824)]
Ref. Bernard, 1983 p 13beringiana W. H. Dall, 1916
(3-6-1-0-3-14-1-7-6-4-0-0-0)
[=Yoldia (Megayoldia) beringiana W. H. Dall, 1916]
Ref. Bernard, 1983 p 14cecinella authors, not W. H. Dall, 1916
(3-6-1-0-3-14-1-7-6-5-0-0-0)
[=Yoldiella (Yoldiella) orcia (W. H. Dall, 1916)]
Ref. Bernard, 1983 p 14cooperii W. M. Gabb, 1865
(3-6-1-0-3-14-1-7-6-6-0-0-0)
[=Yoldia (Kalayoldia) cooperii W. M. Gabb, 1865]
Ref. Bernard, 1983 p 13ensifera W. H. Dall, 1897
(3-6-1-0-3-14-1-7-6-7-0-0-0)
[=Yoldia (Cnesterium) scissurata W. H. Dall, 1897]
Ref. Bernard, 1983 p 13plena W. H. Dall, 1897
(3-6-1-0-3-14-1-7-6-7-1-0-0)
[=Yoldia (Cnesterium) scissurata W. H. Dall, 1897]
Ref. Bernard, 1983 p 13gardneri I. S. Oldroyd, 1935
(3-6-1-0-3-14-1-7-6-8-0-0-0)
[=Yoldia (Yoldia) amygdalea (A. Valenciennes, 1846)]
Ref. Bernard, 1983 p 13hoylei E. A. Smith, 1885
(3-6-1-0-3-14-1-7-6-9-0-0-0)
[=Sarepta hoylei (E. A. Smith, 1885)]
Ref. Bernard, 1983 p 10
[see under Family: SAREPTIDAE]hyperborea O. M. Torell, 1859
(3-6-1-0-3-14-1-7-6-10-0-0-0)
Syn. Nucula (Nucula) glacialis W. Wood, 1828, not J. E. Gray, 1825;
Yoldia (Yoldia) arctica H. P. C. Moller, 1842;
Yoldia (Yoldia) hyperborea ex S. L. Loven, ms, O. M. Torell, 1859
Ref. Bernard, 1983 p 13limatuloides K. W. Ockelmann, 1954
(3-6-1-0-3-14-1-7-6-10-1-0-0)
[=Yoldia (Yoldia) amygdalea (A. Valenciennes, 1846)]
Ref. Bernard, 1983 p 13intermedia M. Sars, 1859
(3-6-1-0-3-14-1-7-6-11-0-0-0)
[=Yoldiella (Yoldiella) intermedia (M. Sars, 1865)]
Ref. Bernard, 1983 p 14martyria W. H. Dall, 1897
(3-6-1-0-3-14-1-7-6-12-0-0-0)
[=Yoldia (Megayoldia) martyria W. H. Dall, 1897]
Ref. Bernard, 1983 p 14montereyensis W. H. Dall, 1893
(3-6-1-0-3-14-1-7-6-13-0-0-0)
[=Yoldia (Megayoldia) montereyensis W. H. Dall, 1893]
Ref. Bernard, 1983 p 14multidentata I. P. Khomenko, 1937
(3-6-1-0-3-14-1-7-6-14-0-0-0)
[=Yoldia (Megayoldia) thraciaeformis (D. H. Storer, 1838)]
Ref. Bernard, 1983 p 14myalis (J. P. Couthouy, 1838)
(3-6-1-0-3-14-1-7-6-15-0-0-0)
Syn. Nucula (Nucula) myalis J. P. Couthouy, 1838;
Yoldia (Yoldia) woodwardi S. C. T. Hanley in G. B. Sowerby, 1860
Ref. Bernard, 1983 p 13norvegica P. Dautzenberg & P. Fischer, 1912
(3-6-1-0-3-14-1-7-6-16-0-0-0)
[=Yoldia (Yoldia) amygdalea (A. Valenciennes, 1846)]
Ref. Bernard, 1983 p 13oleacina W. H. Dall, 1916
(3-6-1-0-3-14-1-7-6-17-0-0-0)
[=Portlandia (Portlandia) arctica (J. E. Gray, 1824)]
Ref. Bernard, 1983 p 13orcia W. H. Dall, 1916
(3-6-1-0-3-14-1-7-6-18-0-0-0)
[=Yoldiella (Yoldiella) orcia (W. H. Dall, 1916)]
Ref. Bernard, 1983 p 14sanesia W. H. Dall, 1916
(3-6-1-0-3-14-1-7-6-19-0-0-0)
[=Yoldiella (Yoldiella) sanesia (W. H. Dall, 1916)]
Ref. Bernard, 1983 p 14secunda W. H. Dall, 1916
(3-6-1-0-3-14-1-7-6-20-0-0-0)
[=Yoldia (Megayoldia) thraciaeformis (D. H. Storer, 1838)]
Ref. Bernard, 1983 p 14tenuissima Clark, 1918
(3-6-1-0-3-14-1-7-6-21-0-0-0)
[=Yoldia (Kalayoldia) cooperii W. M. Gabb, 1865]
Ref. Bernard, 1983 p 13woodwardi S. C. T. Hanley in G. B. Sowerby, 1860
(3-6-1-0-3-14-1-7-6-22-0-0-0)
[=Yoldia (Yoldia) myalis (J. P. Couthouy, 1838)]
Ref. Bernard, 1983 p 13