1. Subgenus Lithophagus (Botula) Mörch, 1853 accepted as Botula Mörch, 1853 (unaccepted > superseded rank)
   1. Species Lithophagus (Botula) similis (Ryckholt, 1851) † accepted as Botula similis (de Ryckholt, 1851) † (unaccepted > superseded combination)
2. Subgenus Lithophagus (Leiosolenus) P. P. Carpenter, 1857 accepted as Leiosolenus P. P. Carpenter, 1857 (original rank)
   1. Species Lithophagus (Leiosolenus) spatiosus P. P. Carpenter, 1857 accepted as Leiosolenus spatiosus (P. P. Carpenter, 1857)
3. Species Lithophagus aristatus (Dillwyn, 1817) accepted as Leiosolenus aristatus (Dillwyn, 1817)
4. Species Lithophagus calyculatus P. P. Carpenter, 1857 accepted as Leiosolenus calyculatus (P. P. Carpenter, 1857)
5. Species Lithophagus caperatus R. A. Philippi, 1849 accepted as Lithophaga caperata R. A. Philippi, 1849 (unaccepted > superseded combination, genus misspelt)
6. Species Lithophagus caudatus Gray, 1826 accepted as Leiosolenus aristatus (Dillwyn, 1817) (invalid; unjustified emendation )
7. Species Lithophagus communis Megerle von Mühlfeld, 1811 accepted as Lithophaga lithophaga (Linnaeus, 1758)
8. Species Lithophagus curtus Lischke, 1874 accepted as Leiosolenus lischkei M. Huber, 2010 (secondary homonymy)
9. Species Lithophagus gracilis (R. A. Philippi, 1847) accepted as Lithophaga teres (R. A. Philippi, 1846)
10. Species Lithophagus latecaudatus Pritchard, 1903 † accepted as Modiolus latecaudatus (Pritchard, 1903) † (unaccepted > superseded combination)
11. Species Lithophagus lithophagus (Linnaeus, 1758) accepted as Lithophaga lithophaga (Linnaeus, 1758) (unaccepted > superseded combination)
12. Species Lithophagus papilliferus Joksimowitsch, 1910 † accepted as Lithophaga antillarum (A. d'Orbigny, 1853)
13. Species Lithophagus platensis R. A. Philippi, 1893 † accepted as Leiosolenus patagonicus (A. d'Orbigny, 1846)
14. Species Lithophagus rugiferus Dunker, 1857 accepted as Leiosolenus spatiosus (P. P. Carpenter, 1857)
15. Species Lithophagus taurorugosus Sacco, 1898 † accepted as Lithophaga antillarum (A. d'Orbigny, 1853) (unaccepted > junior subjective synonym)
16. Species Lithophagus tirolensis Tausch, 1890 † accepted as Lithophaga antillarum (A. d'Orbigny, 1853)
17. Species Lithophagus beneckei G. Boehm, 1883 † (uncertain > unassessed)
18. Species Lithophagus buvignieri Étallon, 1862 † (uncertain > unassessed)
19. Species Lithophagus inornatus Étallon, 1862 † (uncertain > unassessed)
20. Species Lithophagus semicostatus Étallon, 1862 † (uncertain > unassessed)

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