Subgenus (Hexacorbula) A. A. Olsson, 1932

(3-4-3-1-3-1-3-13-7-0-0-0-0)
Ref. Bernard, 1983 p 58
Keen, 1971 p 266
Vaught, 1989 p 137
[see also as Genus]

esmeralda A. A. Olsson, 1961
(3-4-3-1-3-1-3-13-7-1-0-0-0)
Ref. Bernard, 1983 p 58
Keen, 1971 p 266 bw