Subgenus (Yoldia) H. P. C. Moller, 1842

(3-6-1-0-2-2-0-5-3-0-0-0-0)
Ref. Wagner, 1984 p 47

cooperii W. M. Gabb, 1865
(3-6-1-0-2-2-0-5-3-1-0-0-0)
Cooper Yoldia, Cooper's Yoldia
Ref. Abbott & Dance, 1982 p 290 c

ensifera W. H. Dall
(3-6-1-0-2-2-0-5-3-2-0-0-0)
[=Yoldia (Cnesterium) scissurata W. H. Dall, 1897]
Ref. Abbott & Dance, 1982 p 290

hyperborea S. L. Loven, 1859
(3-6-1-0-2-2-0-5-3-3-0-0-0)
Arctic Yoldia
Ref. Abbott & Dance, 1982 p 290 c

limatula (T. Say, 1831)
(3-6-1-0-2-2-0-5-4-0-0-0-0)
File Yoldia
Ref. Abbott & Dance, 1982 p 290 c