Subgenus (Lirularia) W. H. Dall, 1909

(5-4-1-3-2-11-11-8-3-0-0-0-0)
[=(Pupillaria) W. H. Dall, 1909]
Ref. Abbott, 1974 p 36
[see also as Genus]

bicostatus J. H. McLean, 1964
(5-4-1-3-2-11-11-8-3-1-0-0-0)
Ref. Abbott, 1974 p 37

mionus W. H. Dall, 1927
(5-4-1-3-2-11-11-8-3-2-0-0-0)
Ref. Abbott, 1974 p 37