1. Species Vaugonia jeletzkyi Poulton, 1977 †
2. Species Vaugonia mariajosephinae Crickmay, 1930 †
3. Species Vaugonia subrotunda Konovalova, 1979 †
4. Species Vaugonia veronica Crickmay, 1930 †
5. Subgenus Vaugonia (Hijitrigonia) T. Kobayashi, 1955 † accepted as Hijitrigonia T. Kobayashi, 1955 † (unaccepted > superseded combination)
   1. Species Vaugonia (Hijitrigonia) geniculata T. Kobayashi & K. Mori, 1955 † accepted as Hijitrigonia geniculata T. Kobayashi & K. Mori, 1955 † (unaccepted > superseded combination)
   2. Species Vaugonia (Hijitrigonia) kahuika C. A. Fleming, 1987 † accepted as Vaugoniella kahuika (C. A. Fleming, 1987) † (unaccepted > superseded combination)
   3. Species Vaugonia (Hijitrigonia) kojiwa T. Kobayashi & K. Mori, 1955 † accepted as Hijitrigonia kojiwa T. Kobayashi & K. Mori, 1955 † (unaccepted > superseded combination)
6. Subgenus Vaugonia (Orthotrigonia) L. R. Cox, 1952 † accepted as Orthotrigonia L. R. Cox, 1952 † (unaccepted > superseded combination)
   1. Species Vaugonia (Orthotrigonia) quiltyi S. R. A. Kelly, 1995 † accepted as Orthotrigonia quiltyi S. R. A. Kelly, 1995 † (unaccepted > superseded combination)
   2. Species Vaugonia (Orthotrigonia) waipahiensis (C. A. Fleming, 1987) † accepted as Orthotrigonia waipahiensis C. A. Fleming, 1987 † (unaccepted > superseded combination)
7. Subgenus Vaugonia (Vaugonia) Crickmay, 1930 † accepted as Vaugonia Crickmay, 1930 †
   1. Species Vaugonia (Vaugonia) cayetanoensis Pugaczewska, 1978 † accepted as Lissotrigonia cayetanoensis (Pugaczewska, 1978) † (unaccepted > superseded combination)
   2. Species Vaugonia (Vaugonia) cubanensis Pugaczewska, 1978 † accepted as Lissotrigonia cubanensis (Pugaczewska, 1978) † (unaccepted > superseded combination)
   3. Species Vaugonia (Vaugonia) fuenzalidai Reyes & E. Pérez, 1984 † accepted as Perezella fuenzalidai (Reyes & E. Pérez, 1984) † accepted as Perezigonia fuenzalidai (Reyes & E. Pérez, 1984) † (unaccepted > superseded combination)
   4. Species Vaugonia (Vaugonia) kawhiana (Trechmann, 1923) † accepted as Flemingonia kawhiana (Trechmann, 1923) † (unaccepted > superseded combination)
   5. Species Vaugonia (Vaugonia) kobayashii Alencáster de Cserna, 1963 † accepted as Galliciella kobayashii (Alencáster de Cserna, 1963) † (unaccepted > superseded combination)
   6. Species Vaugonia (Vaugonia) lissocostata Reyes & E. Pérez, 1984 † accepted as Perezella lissocostata (Reyes & E. Pérez, 1984) † accepted as Perezigonia lissocostata (Reyes & E. Pérez, 1984) † (unaccepted > superseded combination)
   7. Species Vaugonia (Vaugonia) orvillensis S. R. A. Kelly, 1995 † accepted as Flemingonia orvillensis (S. R. A. Kelly, 1995) † (unaccepted > superseded combination)
   8. Species Vaugonia (Vaugonia) postutahensis Pugaczewska, 1978 † accepted as Lissotrigonia postutahensis (Pugaczewska, 1978) † (unaccepted > superseded combination)
   9. Species Vaugonia (Vaugonia) spedeni C. A. Fleming, 1987 † accepted as Flemingonia spedeni (C. A. Fleming, 1987) † (unaccepted > superseded combination)
   10. Species Vaugonia (Vaugonia) vcostata (Lycett, 1850) † accepted as Vaugoniella vcostata (Lycett, 1850) † (unaccepted > superseded combination)
8. Species Vaugonia athena Poulton & J. H. Callomon, 1977 † accepted as Lissotrigonia athena (Poulton & J. H. Callomon, 1977) † (unaccepted > superseded combination)
9. Species Vaugonia awazuensis T. Kobayashi, 1957 † accepted as Morigonia awazuensis (T. Kobayashi, 1957) † (unaccepted > superseded combination)
10. Species Vaugonia banevurica Konovalova, 1979 † accepted as Primorskyella banevurica (Konovalova, 1979) † (unaccepted > superseded combination)
11. Species Vaugonia clytia (A. d'Orbigny, 1850) † accepted as Vaugonina clytia (A. d'Orbigny, 1850) † (unaccepted > superseded combination)
12. Species Vaugonia coatesi Poulton, 1977 † accepted as Pseudovaugonia coatesi (Poulton, 1977) † (unaccepted > superseded combination)
13. Species Vaugonia cuneata Konovalova, 1979 † accepted as Primorskyella cuneata (Konovalova, 1979) † (unaccepted > superseded combination)
14. Species Vaugonia donbassica Dykan, 1986 † accepted as Arkelligonia donbassica (Dykan, 1986) † (unaccepted > superseded combination)
15. Species Vaugonia flexicostata J.-C. Fischer, 1969 † accepted as Vaugonina flexicostata (J.-C. Fischer, 1969) † (unaccepted > superseded combination)
16. Species Vaugonia gardeti (Freneix, 1958) † accepted as Pseudovaugonia gardeti (Freneix, 1958) † (unaccepted > superseded combination)
17. Species Vaugonia hectorleanzai E. Pérez, Aberhan, Reyes & Hillebrandt, 2008 † accepted as Pseudovaugonia hectorleanzai (E. Pérez, Aberhan, Reyes & Hillebrandt, 2008) † (unaccepted > superseded combination)
18. Species Vaugonia imlayi Poulton, 1979 † accepted as Morigonia imlayi (Poulton, 1979) † (unaccepted > superseded combination)
19. Species Vaugonia kawhiana (Trechmann, 1923) † accepted as Flemingonia kawhiana (Trechmann, 1923) † (unaccepted > superseded combination)
20. Species Vaugonia kodaijimensis T. Kobayashi & K. Mori, 1955 † accepted as Morigonia kodaijimensis (T. Kobayashi & K. Mori, 1955) † (unaccepted > superseded combination)
21. Species Vaugonia kuzuryuensis Maeda, 1963 † accepted as Morigonia kuzuryuensis (Maeda, 1963) † (unaccepted > superseded combination)
22. Species Vaugonia magna Konovalova, 1979 † accepted as Hijitrigonia magna (Konovalova, 1979) † (unaccepted > superseded combination)
23. Species Vaugonia namigashira T. Kobayashi & K. Mori, 1955 † accepted as Morigonia namigashira (T. Kobayashi & K. Mori, 1955) † (unaccepted > superseded combination)
24. Species Vaugonia niranohamensis T. Kobayashi & K. Mori, 1955 † accepted as Morigonia niranohamensis (T. Kobayashi & K. Mori, 1955) † (unaccepted > superseded combination)
25. Species Vaugonia oregonensis Poulton, 1979 † accepted as Munierchalmasia oregonensis (Poulton, 1979) † (unaccepted > superseded combination)
26. Species Vaugonia orvillensis S. R. A. Kelly, 1995 † accepted as Flemingonia orvillensis (S. R. A. Kelly, 1995) † (unaccepted > superseded combination)
27. Species Vaugonia postutahensis Pugaczewska, 1978 † accepted as Lissotrigonia postutahensis (Pugaczewska, 1978) † (unaccepted > superseded combination)
28. Species Vaugonia smirnovkaensis Dykan, 1986 † accepted as Myophorelloides smirnovkaensis (Dykan, 1986) † (unaccepted > superseded combination)
29. Species Vaugonia spedeni C. A. Fleming, 1987 † accepted as Flemingonia spedeni (C. A. Fleming, 1987) † (unaccepted > superseded combination)
30. Species Vaugonia ussuriensis Konovalova, 1979 † accepted as Primorskyella ussuriensis (Konovalova, 1979) † (unaccepted > superseded combination)
31. Species Vaugonia utahensis Imlay, 1964 † accepted as Vaugoniella utahensis (Imlay, 1964) † (unaccepted > superseded combination)
32. Species Vaugonia vancouverensis Poulton, 1976 † accepted as Pseudovaugonia vancouverensis (Poulton, 1976) † (unaccepted > superseded combination)
33. Species Vaugonia vcostata (Lycett, 1850) † accepted as Vaugoniella vcostata (Lycett, 1850) † (unaccepted > superseded combination)
34. Species Vaugonia yambarensis T. Kobayashi, 1956 † accepted as Morigonia yambarensis (T. Kobayashi, 1956) † (unaccepted > superseded combination)
35. Species Vaugonia yanshipingensis S.-X. Wen, 1979 † accepted as Vaugoniella yanshipingensis (S.-X. Wen, 1979) † (unaccepted > superseded combination)
36. Species Vaugonia yokoyamai T. Kobayashi & K. Mori, 1955 † accepted as Morigonia namigashira (T. Kobayashi & K. Mori, 1955) † (unaccepted > junior subjective synonym)
37. Species Vaugonia yukonensis Poulton, 1979 † accepted as Inuitella yukonensis (Poulton, 1979) † (unaccepted > superseded combination)

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