Subgenus (Navicella) J. B. P. A. de Lamarck, 1816

(5-4-1-3-1-6-0-6-1-0-0-0-0)
Syn. (Navicellus) J. E. Gray, 1821;
(Scapha) C. A. Recluz, 1841;
(Stenopoma) J. E. Gray, 1868
Ref. Vaught, 1989 p 13