Subgenus (Ventricoloidea) F. Sacco, 1900

(3-4-4-0-26-7-15-43-3-0-0-0-0)
Ref. Lindner, 1977 p 115
Vaught, 1989 p 135
[see also as Genus]

nux J. F. Gmelin, 1791
(3-4-4-0-26-7-15-43-3-1-0-0-0)
Ref. Lindner, 1977 pl 61 c