1. Species Helix (Plectopylis) andersoni W. T. Blanford, 1869 accepted as Hunyadiscus andersoni (W. T. Blanford, 1869) (basionym)
2. Species Helix (Plectopylis) brachydiscus Godwin-Austen, 1879 accepted as Chersaecia dextrorsa (W. H. Benson, 1860) (junior synonym)
3. Species Helix (Plectopylis) brachyplecta W. H. Benson, 1863 accepted as Chersaecia brachyplecta (W. H. Benson, 1863) (original combination)
4. Species Helix (Plectopylis) brahma Godwin-Austen, 1879 accepted as Endothyrella brahma (Godwin-Austen, 1879) (basionym)
5. Species Helix (Plectopylis) christinae H. Adams, 1870 accepted as Laeocathaica christinae (H. Adams, 1870)
6. Species Helix (Plectopylis) feddeni W. T. Blanford, 1865 accepted as Chersaecia feddeni (W. T. Blanford, 1865) (original combination)
7. Species Helix (Plectopylis) francoisi H. Fischer, 1899 accepted as Plectopylis francoisi H. Fischer, 1899 accepted as Gudeodiscus francoisi (H. Fischer, 1899) (entry in volume index, p. 346)
8. Species Helix (Plectopylis) fultoni Godwin-Austen, 1892 accepted as Endothyrella fultoni (Godwin-Austen, 1892) (basionym)
9. Species Helix (Plectopylis) giardi H. Fischer, 1898 accepted as Gudeodiscus giardi (H. Fischer, 1898) (basionym)
10. Species Helix (Plectopylis) karenorum W. T. Blanford, 1865 accepted as Plectopylis karenorum (W. T. Blanford, 1865) (original combination)
11. Species Helix (Plectopylis) leiophis W. H. Benson, 1860 accepted as Chersaecia leiophis (W. H. Benson, 1860) (basionym)
12. Species Helix (Plectopylis) macromphalus W. Blanford, 1870 accepted as Endothyrella macromphalus (W. T. Blanford, 1870) (basionym)
13. Species Helix (Plectopylis) minor Godwin-Austen, 1879 accepted as Endothyrella minor (Godwin-Austen, 1879)
14. Species Helix (Plectopylis) munipurensis Godwin-Austen, 1875 accepted as Endothyrella serica (Godwin-Austen, 1875) (junior synonym)
15. Species Helix (Plectopylis) nagaensis Godwin-Austen, 1875 accepted as Chersaecia nagaensis nagaensis (Godwin-Austen, 1875) (original combination)
16. Species Helix (Plectopylis) oglei Godwin-Austen, 1879 accepted as Endothyrella oglei (Godwin-Austen, 1879) (basionym)
17. Species Helix (Plectopylis) perarcta W. T. Blanford, 1865 accepted as Chersaecia perarcta perarcta (W. T. Blanford, 1865) (original combination)
18. Species Helix (Plectopylis) ponsonbyi Godwin-Austen, 1888 accepted as Chersaecia feddeni (W. T. Blanford, 1865) (junior synonym)
19. Species Helix (Plectopylis) pseudophis Godwin-Austen, 1875 accepted as Chersaecia leiophis (W. H. Benson, 1860) (junior synonym)
20. Species Helix (Plectopylis) refugia A. Gould, 1846 accepted as Chersaecia refuga (A. Gould, 1846) (superseded combination)
21. Species Helix (Plectopylis) schlumbergeri Morlet, 1886 accepted as Halongella schlumbergeri (Morlet, 1886) (basionym)
22. Species Helix (Plectopylis) secura Heude, 1890 accepted as Sicradiscus securus (Heude, 1890) (basionym)
23. Species Helix (Plectopylis) serica Godwin-Austen, 1875 accepted as Endothyrella serica (Godwin-Austen, 1875) (basionym)
24. Species Helix (Plectopylis) shiroiensis Godwin-Austen, 1875 accepted as Chersaecia shiroiensis shiroiensis (Godwin-Austen, 1875) (original combination)
25. Species Helix (Plectopylis) subchristinae Ancey, 1882 accepted as Laeocathaica christinae (H. Adams, 1870) (junior synonym)
26. Species Helix (Plectopylis) trilamellaris Godwin-Austen, 1875 accepted as Chersaecia shanensis (Stoliczka, 1873) (junior synonym)

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