1. Species Gibbus lyonetianus (Pallas, 1780)
2. Subgenus Gibbus (Edentulina) L. Pfeiffer, 1856 accepted as Edentulina L. Pfeiffer, 1856
   1. Species Gibbus (Edentulina) alluaudi Dautzenberg, 1895 accepted as Edentulina alluaudi (Dautzenberg, 1895) accepted as Edentulina minor (Morelet, 1851) (original combination)
   2. Species Gibbus (Edentulina) anodon (L. Pfeiffer, 1855) accepted as Edentulina anodon (L. Pfeiffer, 1855)
   3. Species Gibbus (Edentulina) johnstoni E. A. Smith, 1887 accepted as Edentulina johnstoni (E. A. Smith, 1887) (basionym)
   4. Species Gibbus (Edentulina) nitens Dautzenberg, 1895 accepted as Edentulina nitens (Dautzenberg, 1895) (original combination)
   5. Species Gibbus (Edentulina) confusa Preston, 1909 (uncertain > unassessed, use in recent literature not established by editor)
3. Subgenus Gibbus (Gibbulina) Beck, 1837 accepted as Gibbus Montfort, 1810 (Gibbulina is an invalid name)
   1. Species Gibbus (Gibbulina) bacillus (L. Pfeiffer, 1856) accepted as Gonospira bacillus (L. Pfeiffer, 1856) (unaccepted > superseded combination)
   2. Species Gibbus (Gibbulina) barclayi H. Adams, 1868 accepted as Gonospira barclayi (H. Adams, 1868) (basionym)
   3. Species Gibbus (Gibbulina) bourguignati (Deshayes, 1863) accepted as Gonospira bourguignati (Deshayes, 1863) (unaccepted > superseded combination)
   4. Species Gibbus (Gibbulina) callifer (Morelet, 1860) accepted as Gonospira callifera (Morelet, 1860) (superseded combination; unjustified emendation to original name, Pupa callifera Morelet, 1860)
   5. Species Gibbus (Gibbulina) clavulus H. Adams, 1868 accepted as Gonospira striaticosta (Morelet, 1866)
   6. Species Gibbus (Gibbulina) cylindrella H. Adams, 1868 accepted as Gonospira cylindrella (H. Adams, 1868) (incorrect grammatical ending to species epithet; superseded combination)
   7. Species Gibbus (Gibbulina) cylindrellus H. Adams, 1868 accepted as Gonospira cylindrella (H. Adams, 1868) (original combination)
   8. Species Gibbus (Gibbulina) deshayesi H. Adams, 1868 accepted as Gonospira deshayesi (H. Adams, 1868) (original combination)
   9. Species Gibbus (Gibbulina) dussumieri (Dufo, 1840) accepted as Gerlachina dussumieri (Dufo, 1840) (unaccepted > superseded combination)
   10. Species Gibbus (Gibbulina) holostoma (Morelet, 1860) accepted as Gonospira holostoma (Morelet, 1860) (unaccepted > superseded combination)
   11. Species Gibbus (Gibbulina) intersecta (Deshayes, 1863) accepted as Gonospira bourguignati (Deshayes, 1863) (unaccepted > junior subjective synonym)
   12. Species Gibbus (Gibbulina) mauritianus (Morelet, 1860) accepted as Gonospira mauritiana (Morelet, 1860) (unaccepted > superseded combination)
   13. Species Gibbus (Gibbulina) modiolus (A. Férussac, 1821) accepted as Gonospira modiola (A. Férussac, 1821) (unaccepted > superseded combination)
   14. Species Gibbus (Gibbulina) mondraini H. Adams, 1868 accepted as Gonospira mondraini (H. Adams, 1868) (basionym)
   15. Species Gibbus (Gibbulina) moreleti H. Adams, 1868 accepted as Gerlachina moreleti (H. Adams, 1868) (unaccepted > superseded combination)
   16. Species Gibbus (Gibbulina) nevilli H. Adams, 1867 accepted as Gonospira nevilli (H. Adams, 1867) (basionym)
   17. Species Gibbus (Gibbulina) productus H. Adams, 1868 accepted as Gonospira producta (H. Adams, 1868) (unaccepted > superseded combination)
   18. Species Gibbus (Gibbulina) striaticosta (Morelet, 1866) accepted as Gonospira striaticosta (Morelet, 1866) (unaccepted > superseded combination)
   19. Species Gibbus (Gibbulina) teres (L. Pfeiffer, 1856) accepted as Gonospira teres (L. Pfeiffer, 1856) (unaccepted > superseded combination)
   20. Species Gibbus (Gibbulina) turgidulus (Deshayes, 1863) accepted as Gonospira turgidula (Deshayes, 1863) (unaccepted > superseded combination)
   21. Species Gibbus (Gibbulina) uvula (Deshayes, 1863) accepted as Gonospira uvula (Deshayes, 1863) (unaccepted > superseded combination)
   22. Species Gibbus (Gibbulina) versipolis (Deshayes, 1851) accepted as Gonospira versipolis (L. Pfeiffer, 1841)
   23. Species Gibbus (Gibbulina) palanga (A. Férussac, 1821) accepted as Gonospira palanga (R. P. Lesson, 1830) (uncertain > nomen dubium)
4. Subgenus Gibbus (Gonidomus) Swainson, 1840 accepted as Gonidomus Swainson, 1840 (unaccepted > superseded rank)
   1. Species Gibbus (Gonidomus) breviculus E. A. Smith, 1890 accepted as Gonaxis breviculus (E. A. Smith, 1890) (original combination)
   2. Species Gibbus (Gonidomus) newtoni H. Adams, 1867 accepted as Plicadomus newtoni (H. Adams, 1867) (basionym)
   3. Species Gibbus (Gonidomus) sulcatus (O. F. Müller, 1774) accepted as Plicadomus sulcata (O. F. Müller, 1774) (unaccepted > superseded combination)
5. Subgenus Gibbus (Gonospira) Swainson, 1840 accepted as Gonospira Swainson, 1840
   1. Species Gibbus (Gonospira) dupontiana G. Nevill, 1881 accepted as Gonospira dupontiana (G. Nevill, 1881) (unaccepted > superseded combination)
   2. Species Gibbus (Gonospira) raffrayi (Bourguignat, 1883) accepted as Gonospira raffrayi (Bourguignat, 1883)
6. Species Gibbus dupontianus G. Nevill, 1881 accepted as Gonospira dupontiana (G. Nevill, 1881) (unaccepted > superseded combination)
7. Species Gibbus insignis (L. Pfeiffer, 1857) accepted as Edentulina insignis (L. Pfeiffer, 1857) (unaccepted > superseded combination)
8. Species Gibbus liberianus (I. Lea, 1840) accepted as Edentulina liberiana (I. Lea, 1840) (unaccepted > superseded combination)
9. Species Gibbus lyoneti accepted as Gibbus lyonetianus (Pallas, 1780) (incorrect subsequent spelling)
10. Species Gibbus madgei Kennard, 1943 accepted as Gonospira madgei (Kennard, 1943) (unaccepted > superseded combination)
11. Species Gibbus martensi (E. A. Smith, 1882) accepted as Edentulina martensi (E. A. Smith, 1882) (unaccepted > superseded combination)
12. Species Gibbus modiolinus (Morelet, 1867) accepted as Gonospira madgei (Kennard, 1943) (name based on junior primary homonym)
13. Species Gibbus moreleti H. Adams, 1868 accepted as Gerlachina moreleti (H. Adams, 1868) (unaccepted > superseded combination)
14. Species Gibbus nevilli H. Adams, 1867 accepted as Gonospira nevilli (H. Adams, 1867) (original combination)
15. Species Gibbus antoni L. Pfeiffer, 1847 (uncertain > taxon inquirendum)
16. Species Gibbus obtusus L. Pfeiffer, 1850 (uncertain > taxon inquirendum)

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