Subgenus (Margaritella) J. Thiele in F. H Troschel, 1891, not F. B. Meek & F. V. Hayden, 1860

(5-4-1-3-2-11-6-28-4-0-0-0-0)
[=(Margarella) J. Thiele in F. H. Troschel, 1893]
Ref. Vaught, 1989 p 8