Subgenus (Chionella) M. Cossmann, 1886

(3-4-4-0-26-7-11-61-1-0-0-0-0)
[see also as Genus]

omissa H. A. Pilsbry & H. N. Lowe, 1932
(3-4-4-0-26-7-11-61-1-1-0-0-0)
[=Transennella (Transennella) omissa (H. A. Pilsbry & H. N. Lowe, 1932)]
Ref. Bernard, 1983 p 54
[see also under Subfamily: MERETRICINAE]