Genus Neritodryas E. C. v. Martens, 1869

(5-4-1-3-1-2-2-18-0-0-0-0-0)
Ref. Abbott & Dance, 1982 p 55
Lindner, 1977 p 40
Vaught, 1989 p 13

cornea (C. v. Linne, 1758)
(5-4-1-3-1-2-2-18-0-1-0-0-0)
Horny Nerite
Ref. Abbott & Dance, 1982 p 55 c
Kaicher, 1987 #4835 bw

dubia (J. F. Gmelin, 1791)
(5-4-1-3-1-2-2-18-0-2-0-0-0)
Dubious Nerite
Ref. Abbott & Dance, 1982 p 55 c
Kaicher, 1987 #4748 bw
Lindner, 1977 pl 9c

subsulcata (G. B. Sowerby, 1836)
(5-4-1-3-1-2-2-18-0-3-0-0-0)
Weakly Cut Nerite
Ref. Abbott & Dance, 1982 p 55 c