1. Subgenus Tritonalia (Hadriania) Bucquoy & Dautzenberg, 1882 accepted as Hadriania Bucquoy & Dautzenberg, 1882 accepted as Gracilipurpura Jousseaume, 1880
   1. Species Tritonalia (Hadriania) brocchii (Monterosato, 1872) accepted as Gracilipurpura craticulata (Bucquoy & Dautzenberg, 1882)
   2. Species Tritonalia (Hadriania) craticuloides E. H. Vokes, 1964 accepted as Gracilipurpura craticulata (Bucquoy & Dautzenberg, 1882) (unaccepted > junior subjective synonym)
2. Subgenus Tritonalia (Miocenebra) E. H. Vokes, 1963 † accepted as Miocenebra E. H. Vokes, 1963 † (unaccepted > superseded rank)
   1. Species Tritonalia (Miocenebra) silverdalense E. H. Vokes, 1963 † accepted as Miocenebra silverdalensis (E. H. Vokes, 1963) † (unaccepted > superseded combination)
3. Subgenus Tritonalia (Ocinebrina) Jousseaume, 1880 accepted as Ocinebrina Jousseaume, 1880
   1. Species Tritonalia (Ocinebrina) caribbaea Bartsch & Rehder, 1939 accepted as Muricopsis caribbaea (Bartsch & Rehder, 1939) (basionym)
   2. Species Tritonalia (Ocinebrina) suga Fischer-Piette, 1942 accepted as Muricopsis suga (Fischer-Piette, 1942)
4. Subgenus Tritonalia (Poropteron) Jousseaume, 1880 accepted as Poropteron Jousseaume, 1880
   1. Species Tritonalia (Poropteron) graagae Coen, 1947 accepted as Poropteron graagae (Coen, 1947)
5. Subgenus Tritonalia (Ternaria) Coen, 1947 accepted as Ocinebrellus Jousseaume, 1880 (no type species designated)
   1. Species Tritonalia (Ternaria) chicoroides Coen., 1947 accepted as Ocenebra erinaceus (Linnaeus, 1758)
   2. Species Tritonalia (Ternaria) mercaensis Coen, 1947 accepted as Ocenebra erinaceus (Linnaeus, 1758)
6. Subgenus Tritonalia (Tritonalia) J. Fleming, 1828 accepted as Ocenebra Leach, 1847 (unaccepted > junior objective synonym, Invalid: placed on the Official Index by ICZN Opinion 886)
   1. Species Tritonalia (Tritonalia) festivoidea E. H. Vokes, 1963 † accepted as Odontopurpura festivoidea (E. H. Vokes, 1963) † (unaccepted > superseded combination)
7. Species Tritonalia aciculata (Lamarck, 1822) accepted as Ocinebrina aciculata (Lamarck, 1822) (unaccepted > superseded combination)
8. Species Tritonalia aedicularum Barnard, 1969 accepted as Vaughtia babingtoni (G. B. Sowerby III, 1892) (synonym)
9. Species Tritonalia carmen H. N. Lowe, 1935 accepted as Bizetiella carmen (H. N. Lowe, 1935) (original combination)
10. Species Tritonalia cellulosa (Conrad, 1846) accepted as Favartia cellulosa (Conrad, 1846)
11. Species Tritonalia chicoroides Coen, 1947 accepted as Ocenebra erinaceus (Linnaeus, 1758) (unaccepted > junior subjective synonym)
12. Species Tritonalia circumtexta (Stearns, 1871) accepted as Paciocinebrina circumtexta (Stearns, 1871)
13. Species Tritonalia clathrata Dall, 1919 accepted as Ocinebrina interfossa (P. P. Carpenter, 1864) accepted as Paciocinebrina interfossa (P. P. Carpenter, 1864) (synonym)
14. Species Tritonalia craticuloides E. H. Vokes, 1964 accepted as Gracilipurpura craticulata (Bucquoy & Dautzenberg, 1882) (unaccepted > junior subjective synonym)
15. Species Tritonalia dainitiensis Makiyama, 1927 † accepted as Ocenebra dainitiensis (Makiyama, 1927) (unaccepted > superseded combination)
16. Species Tritonalia edwardsii (Payraudeau, 1826) accepted as Ocenebra edwardsii (Payraudeau, 1826) (unaccepted > superseded combination)
17. Species Tritonalia epiphanea Dall, 1919 accepted as Paciocinebrina foveolata (Hinds, 1844)
18. Species Tritonalia erinaceus (Linnaeus, 1758) accepted as Ocenebra erinaceus (Linnaeus, 1758) (unaccepted > superseded combination)
19. Species Tritonalia fraseri I. S. Oldroyd, 1920 accepted as Paciocinebrina fraseri (I. S. Oldroyd, 1920) (original combination)
20. Species Tritonalia fusconotata Dall, 1919 accepted as Paciocinebrina foveolata (Hinds, 1844)
21. Species Tritonalia graagae Coen, 1947 accepted as Poropteron graagae (Coen, 1947)
22. Species Tritonalia graceae T. L. McGinty, 1940 † accepted as Favartia graceae (T. L. McGinty, 1940) † (unaccepted > superseded combination)
23. Species Tritonalia gracillima (Stearns, 1871) accepted as Paciocinebrina gracillima (Stearns, 1871)
24. Species Tritonalia humilis Coen, 1947 accepted as Ocenebra erinaceus (Linnaeus, 1758) (unaccepted > junior subjective synonym)
25. Species Tritonalia inermicosta E. H. Vokes, 1964 accepted as Inermicosta inermicosta (E. H. Vokes, 1964) (unaccepted > superseded combination)
26. Species Tritonalia inornata (Récluz, 1851) accepted as Ocinebrellus inornatus (Récluz, 1851) (unaccepted > superseded combination)
27. Species Tritonalia interfossa (P. P. Carpenter, 1864) accepted as Paciocinebrina interfossa (P. P. Carpenter, 1864)
28. Species Tritonalia japonica (Dunker, 1860) accepted as Ocinebrellus inornatus (Récluz, 1851) (unaccepted > junior subjective synonym)
29. Species Tritonalia juritzi Barnard, 1969 accepted as Ocenebra juritzi (Barnard, 1969) (original combination)
30. Species Tritonalia lampusiopsis Coen, 1947 accepted as Ocenebra erinaceus (Linnaeus, 1758) (unaccepted > junior subjective synonym)
31. Species Tritonalia levicula (Dall, 1889) accepted as Favartia levicula (Dall, 1889) (unaccepted > superseded combination)
32. Species Tritonalia lumaria (Yokoyama, 1926) accepted as Ocinebrellus lumarius (Yokoyama, 1926) (unaccepted > superseded combination)
33. Species Tritonalia lurida (Middendorff, 1848) accepted as Paciocinebrina lurida (Middendorff, 1848)
34. Species Tritonalia margaritensis M. Smith, 1939 accepted as Favartia incisa (Broderip, 1833) (synonym)
35. Species Tritonalia mercaensis Coen, 1947 accepted as Ocenebra erinaceus (Linnaeus, 1758) (unaccepted > junior subjective synonym)
36. Species Tritonalia puncturata (G. B. Sowerby III, 1886) accepted as Vaughtia fenestrata (A. Gould, 1860)
37. Species Tritonalia rejecta Coen, 1947 accepted as Ocenebra erinaceus (Linnaeus, 1758) (unaccepted > junior subjective synonym)
38. Species Tritonalia rotunda Dall, 1919 accepted as Ocinebrina lurida (Middendorff, 1848) accepted as Paciocinebrina lurida (Middendorff, 1848) (synonym)
39. Species Tritonalia rotunda Coen, 1947 accepted as Ocenebra erinaceus (Linnaeus, 1758) (unaccepted > junior subjective synonym)
40. Species Tritonalia ruscuriana Monterosato, 1947 accepted as Ocenebra erinaceus (Linnaeus, 1758) (unaccepted > junior subjective synonym)
41. Species Tritonalia scabrosa Dall, 1915 † accepted as Muricopsis scabrosa (Dall, 1915) † (original combination)
42. Species Tritonalia sclera Dall, 1919 accepted as Paciocinebrina sclera (Dall, 1919) (original combination)
43. Species Tritonalia semidisjuncta W. H. Turton, 1932 accepted as Vaughtia babingtoni (G. B. Sowerby III, 1892) (synonym)
44. Species Tritonalia suga Fischer-Piette, 1942 accepted as Muricopsis suga (Fischer-Piette, 1942) (original combination)
45. Species Tritonalia tracheia Dall, 1919 accepted as Paciocinebrina atropurpurea (P. P. Carpenter, 1865)
46. Species Tritonalia turritus Dall, 1919 accepted as Calotrophon turritus (Dall, 1919) (original combination)
47. Subgenus Tritonalia (Ocenebra) J. E. Gray, 1847 represented as Ocenebra Leach, 1847
    1. Species Tritonalia (Ocenebra) japonica (Dunker, 1860) accepted as Ocinebrellus inornatus (Récluz, 1851) (unaccepted > junior subjective synonym)
48. Species Tritonalia infelix Fischer-Piette, 1942 (uncertain > taxon inquirendum)

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