1. Species Defrancia malayana P. J. Fischer, 1921 †
2. Subgenus Defrancia (Clathurella) P. P. Carpenter, 1857 accepted as Clathurella P. P. Carpenter, 1857
   1. Species Defrancia (Clathurella) kueneni Koperberg, 1931 † accepted as Clathurella kueneni (Koperberg, 1931) †
3. Species Defrancia aequalis Jeffreys, 1867 accepted as Cyrillia aequalis (Jeffreys, 1867)
4. Species Defrancia albostrigata Baird, 1873 accepted as Hemilienardia albostrigata (Baird, 1873) (original combination)
5. Species Defrancia amplexa (A. Gould, 1860) accepted as Guraleus amplexus (A. Gould, 1860) (unaccepted > superseded combination)
6. Species Defrancia anceps (Eichwald, 1830) † accepted as Teretia anceps (Eichwald, 1830) † (unaccepted > superseded combination)
7. Species Defrancia becki Møller, 1842 accepted as Curtitoma violacea (Mighels & C. B. Adams, 1842) (synonym)
8. Species Defrancia cinerea Møller, 1842 accepted as Oenopota cinerea (Møller, 1842) (original combination)
9. Species Defrancia cylindracea Møller, 1842 accepted as Curtitoma violacea (Mighels & C. B. Adams, 1842) (synonym)
10. Species Defrancia despecta H. Adams & A. Adams, 1853 (unaccepted > nomen nudum)
11. Species Defrancia elegans Møller, 1842 accepted as Oenopota elegans (Møller, 1842) (original combination)
12. Species Defrancia exarata Møller, 1842 accepted as Propebela exarata (Møller, 1842) (original combination)
13. Species Defrancia excavata F. W. Hutton, 1877 † accepted as Tomopleura excavata (F. W. Hutton, 1877) † (superseded combination)
14. Species Defrancia fenestrata Millet, 1865 † accepted as Clathromangelia fenestrata (Millet, 1865) † (original combination)
15. Species Defrancia formosa Jeffreys, 1883 accepted as Pleurotomella packardii A. E. Verrill, 1872
16. Species Defrancia gracilispira E. A. Smith, 1879 accepted as Veprecula gracilispira (E. A. Smith, 1879) (original combination)
17. Species Defrancia hordeacea Millet, 1827 † accepted as Pleurotomoides hordeaceus (Millet, 1827) † (original combination)
18. Species Defrancia implicisculpta Sturany, 1896 accepted as Pleurotomella eurybrocha (Dautzenberg & H. Fischer, 1896) (synonym)
19. Species Defrancia japonica Melvill, 1895 accepted as Philbertia japonica (Melvill, 1895) (unaccepted > superseded combination)
20. Species Defrancia leufroyi (Michaud, 1828) accepted as Leufroyia leufroyi (Michaud, 1828) (unaccepted > superseded combination)
21. Species Defrancia linearis (Montagu, 1803) accepted as Raphitoma linearis (Montagu, 1803) accepted as Cyrillia linearis (Montagu, 1803)
22. Species Defrancia livida Møller, 1842 accepted as Curtitoma livida (Møller, 1842) (original combination)
23. Species Defrancia luteofasciata (Reeve, 1845) sensu F. W. Hutton, 1878 accepted as Drillia sinclairi Gillies, 1882 accepted as Neoguraleus sinclairi (Gillies, 1882) (misidentification. Drillia sinclairi Gillies, 1882 is replacement name)
24. Species Defrancia mauritiana G. B. Sowerby III, 1893 accepted as Kermia producta (Pease, 1860) accepted as Pseudodaphnella producta (Pease, 1860)
25. Species Defrancia milletii [Anonymous], 1827 † accepted as Pleurotomoides milletii ([Anonymous], 1827) † (original combination)
26. Species Defrancia nobilis Møller, 1842 accepted as Propebela nobilis (Møller, 1842) (original combination)
27. Species Defrancia nodulosa Jeffreys, 1882 accepted as Cymatosyrinx nodulosa (Jeffreys, 1882)
28. Species Defrancia pagoda Millet, 1827 † accepted as Pleurotomoides pagoda (Millet, 1827) † (original combination)
29. Species Defrancia pingelii Møller, 1842 accepted as Oenopota pingelii (Møller, 1842) (original combination)
30. Species Defrancia ponsonbyi G. B. Sowerby III, 1892 accepted as Clathurella ponsonbyi (G. B. Sowerby III, 1892) (original combination)
31. Species Defrancia purpurea (Montagu, 1803) accepted as Raphitoma purpurea (Montagu, 1803)
32. Species Defrancia quadrata (Reeve, 1845) accepted as Glyphoturris quadrata (Reeve, 1845)
33. Species Defrancia quadrilineata (C. B. Adams, 1850) accepted as Cryoturris quadrilineata (C. B. Adams, 1850)
34. Species Defrancia reticulata (Renier, 1804) accepted as Raphitoma echinata (Brocchi, 1814) † (unavailable name (published in a work rejected by ICZN))
35. Species Defrancia scalarina (Deshayes, 1863) accepted as Etrema scalarina (Deshayes, 1863)
36. Species Defrancia scalaris Møller, 1842 accepted as Propebela scalaris (Møller, 1842) (original combination)
37. Species Defrancia serrata P. P. Carpenter, 1856 accepted as Clathurella rava (Hinds, 1843)
38. Species Defrancia suturalis Millet, 1827 † accepted as Pleurotomoides suturalis (Millet, 1827) † (original combination)
39. Species Defrancia tessellata (Hinds, 1843) accepted as Kermia tessellata (Hinds, 1843)
40. Species Defrancia texta Dunker, 1860 accepted as Etrema texta (Dunker, 1860) (original combination)
41. Species Defrancia vahli Møller, 1842 accepted as Oenopota pyramidalis (Strøm, 1788) (synonym)
42. Species Defrancia variabilis Millet, 1827 † accepted as Pleurotomoides variabilis (Millet, 1827) † (original combination)
43. Species Defrancia woodiana Møller, 1842 accepted as Obesotoma woodiana (Møller, 1842) (original combination)
44. Species Defrancia abyssicola (Reeve, 1844) accepted as Pleurotoma abyssicola Reeve, 1844 (uncertain > nomen dubium)
45. Species Defrancia convexa Jeffreys, 1882 (uncertain > nomen dubium)
46. Species Defrancia fusiformis Gabb, 1873 † (uncertain > unassessed)
47. Species Defrancia gracilis Gabb, 1873 † (uncertain > unassessed)
48. Species Defrancia infracincta G. B. Sowerby III, 1893 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
49. Species Defrancia paupercula Gabb, 1873 † (uncertain > unassessed)
50. Species Defrancia secta G. B. Sowerby II, 1870 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
51. Species Defrancia tenella Jeffreys, 1882 (uncertain > nomen dubium)

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