1. Species Stomatia phymotis Helbling, 1779
2. Subgenus Stomatia (Megastoma) J. Morris & Lycett, 1851 † accepted as Lissochilus Zittel, 1882 † (unaccepted > junior subjective synonym)
   1. Species Stomatia (Megastoma) buvignieri J. Morris & Lycett, 1851 † accepted as Lissochilus buvignieri (J. Morris & Lycett, 1851) † (unaccepted > superseded combination)
3. Subgenus Stomatia (Microtis) A. Adams, 1850 accepted as Microtis A. Adams, 1850
   1. Species Stomatia (Microtis) heckeliana (Crosse, 1871) accepted as Microtis heckeliana (Crosse, 1870) accepted as Microtis tuberculata A. Adams, 1850
4. Subgenus Stomatia (Stomatia) Helbling, 1779 accepted as Stomatia Helbling, 1779
5. Species Stomatia acuminata A. Adams, 1850 accepted as Stomatolina acuminata (A. Adams, 1850) (original combination)
6. Species Stomatia angulata A. Adams, 1850 accepted as Stomatolina angulata (A. Adams, 1850) (original combination)
7. Species Stomatia australis A. Adams, 1850 accepted as Stomatia phymotis Helbling, 1779
8. Species Stomatia azonea Brusina, 1865 accepted as Megalomphalus azoneus (Brusina, 1865) (unaccepted > superseded combination)
9. Species Stomatia bicarinata A. Adams, 1854 accepted as Notogibbula bicarinata (A. Adams, 1854) (original combination)
10. Species Stomatia candida A. Adams, 1850 accepted as Stomatella candida (A. Adams, 1850) (original combination)
11. Species Stomatia decorata A. Adams, 1855 accepted as Pseudostomatella decorata (A. Adams, 1855) (original combination)
12. Species Stomatia duplicata G. B. Sowerby I, 1823 accepted as Stomatella duplicata (G. B. Sowerby I, 1823) (original combination)
13. Species Stomatia heckeliana (Crosse, 1870) accepted as Microtis heckeliana (Crosse, 1870) accepted as Microtis tuberculata A. Adams, 1850
14. Species Stomatia irisata (Dufo, 1840) accepted as Stomatolina irisata (Dufo, 1840)
15. Species Stomatia kutschigi Brusina, 1865 accepted as Fossarus ambiguus (Linnaeus, 1758)
16. Species Stomatia lirata A. Adams, 1850 accepted as Stomatolina lirata (A. Adams, 1850)
17. Species Stomatia notata A. Adams, 1850 accepted as Stomatella notata (A. Adams, 1850) (unaccepted > superseded combination)
18. Species Stomatia obscura accepted as Stomatia obscurata Lamarck, 1822 accepted as Stomatia phymotis Helbling, 1779 (misspelling)
19. Species Stomatia obscurata Lamarck, 1822 accepted as Stomatia phymotis Helbling, 1779
20. Species Stomatia pallida A. Adams, 1850 accepted as Stomatella pallida (A. Adams, 1850) (original combination)
21. Species Stomatia picta A. d'Orbigny, 1847 accepted as Synaptocochlea picta (A. d'Orbigny, 1847) (original combination)
22. Species Stomatia planulata Schepman, 1908 accepted as Microtis tuberculata A. Adams, 1850 (unaccepted > junior subjective synonym)
23. Species Stomatia rubra (Lamarck, 1822) accepted as Pseudostomatella rubra (Lamarck, 1822) accepted as Stomatolina rubra (Lamarck, 1822)
24. Species Stomatia splendidula A. Adams, 1854 accepted as Stomatella splendidula A. Adams, 1854 accepted as Pseudostomatella splendidula (A. Adams, 1854) (nomen nudum)
25. Species Stomatia aspera A. d'Orbigny, 1843 † (uncertain > nomen dubium)
26. Species Stomatia decussata A. Adams, 1850 (uncertain > taxon inquirendum)
27. Species Stomatia depressa G. B. Sowerby II, 1874 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
28. Species Stomatia eidolon Guppy, 1867 † (uncertain > unassessed)
29. Species Stomatia ornatissima Coquand, 1865 † (uncertain > unassessed)
30. Species Stomatia pallida Tapparone Canefri, 1877 (uncertain > taxon inquirendum, Invalid: junior primary homonym of Stomatia pallida A. Adams, 1850. Use in more recent taxonomic literature currently undocumented. )
31. Species Stomatia sculpturata Preston, 1914 (uncertain > taxon inquirendum)
32. Species Stomatia variegata H. Adams, 1868 (uncertain > unassessed)

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