Subgenus (Ritena) J. E. Gray, 1858

(5-4-1-3-1-2-2-14-14-0-0-0-0)
Ref. Keen, 1971 p 359
Lindner, 1977 p 40
Syn. (Cymostyla) E. C. v. Martens, 1887;
(Pyla) O. A. L. Morch, 1852, not P. F. Roding, 1798
Ref. Vaught, 1989 p 13

costata J. F. Gmelin, 1791
(5-4-1-3-1-2-2-14-14-1-0-0-0)
Costate Nerite
Ref. Abbott & Dance, 1982 p 53 c
Lindner, 1977 pl 9c

plicata C. v. Linne, 1758
(5-4-1-3-1-2-2-14-14-2-0-0-0)
Plicate Nerite
Ref. Abbott & Dance, 1982 p 54 c
Kaicher, 1987 #4798 bw
Lindner, 1977 pl 9c

scabricosta J. B. P. A. de Lamarck, 1822
(5-4-1-3-1-2-2-14-14-3-0-0-0)
Ornate Nerite
Syn. Nerita (Nerita) fuscata K. T. Menke, 1829;
Nerita (Nerita) ornata G. B. Sowerby, 1823
Ref. Abbott & Dance, 1982 p 54 c
Syn. Nerita (Nerita) deshayesii C. A. Recluz, 1841;
Nerita (Nerita) fuscata K. T. Menke, 1829;
Nerita (Nerita) multijugis K. T. Menke, 1847;
Nerita (Nerita) ornata G. B. Sowerby, 1823;
Nerita (Nerita) papilionacea A. Valenciennes, 1832
Ref. Keen, 1971 p 359 bw
Syn. Nerita (Nerita) ornata G. B. Sowerby, 1823
Ref. Lindner, 1977 pl 9c

undata C. v. Linne, 1758
(5-4-1-3-1-2-2-14-14-4-0-0-0)
Waved Nerite
Ref. Kaicher, 1987 #4827 bw
Lindner, 1977 pl 9c
Syn. Nerita (Nerita) striata E. I. Burrow;
Nerita (Nerita) undulata J. F. Gmelin
Ref. Abbott & Dance, 1982 p 53 c