Subgenus (Suavotrochus) W. H. Dall, 1924

(5-4-1-3-2-11-10-11-11-0-0-0-0)
Ref. Abbott, 1974 p 41
Lindner, 1977 p 38
Vaught, 1989 p 10

lubrica W. H. Dall, 1881
(5-4-1-3-2-11-10-11-11-1-0-0-0)
Ref. Kaicher, 1987 #5138 bw

lubrica W. H. Dall, 1881 [T]
(5-4-1-3-2-11-10-11-11-1-1-0-0)
Ref. Abbott, 1974 p 41 d

Var. iridea W. H. Dall, 1889
(5-4-1-3-2-11-10-11-11-1-1-0-1)
Ref. Abbott, 1974 p 41 bw