Genus Rexithaerus ex T. A. Conrad, ms, G. W. Tryon, 1869

(3-4-4-0-24-14-1-42-0-0-0-0-0)
Ref. Vokes, 1980 p 146
[see also as Subgenus under Genus Macoma]
Ref. Abbott, 1974 p 507
Keen, 1971 p 229