Subgenus (Lunulicardia) J. E. Gray, 1853

(3-5-4-0-4-2-3-13-2-0-0-0-0)
Ref. Lindner, 1977 p 110
Syn. (Opisocardium) E. Bayle, 1879
Ref. Vaught, 1989 p 129
[see also as Genus]