1. Subgenus Alexia (Auricula) Lamarck, 1799 accepted as Ellobium Röding, 1798
   1. Species Alexia (Auricula) meridionalis Brazier, 1877 accepted as Myosotella myosotis (Draparnaud, 1801)
   2. Species Alexia (Auricula) myosotis (Draparnaud, 1801) accepted as Myosotella myosotis (Draparnaud, 1801)
2. Subgenus Alexia (Kochia) Pallary, 1900 accepted as Myosotella Monterosato, 1906 (unaccepted > junior homonym, invalid: junior homonym of Kochia Frech, 1891 [Bivalvia]; Nealexia is a replacement name)
   1. Species Alexia (Kochia) oranica Pallary, 1900 accepted as Myosotella denticulata (Montagu, 1803) accepted as Myosotella myosotis (Draparnaud, 1801) (synonym)
3. Subgenus Alexia (Leuconia) Gray, 1840 accepted as Auriculinella Tausch, 1886 †
   1. Species Alexia (Leuconia) micheli (Mittre, 1841), sensu Bourguignat, 1864 accepted as Myosotella myosotis (Draparnaud, 1801) (misapplication)
4. Subgenus Alexia (Pseudomelampus) Pallary, 1900 accepted as Pseudomelampus Pallary, 1900 (original rank as subgenus)
   1. Species Alexia (Pseudomelampus) jolyi Pallary, 1900 accepted as Pseudomelampus exiguus (R. T. Lowe, 1832) (synonym)
   2. Species Alexia (Pseudomelampus) kochi Pallary, 1900 accepted as Pseudomelampus exiguus (R. T. Lowe, 1832) (synonym)
5. Species Alexia acuta (A. d'Orbigny, 1835) accepted as Marinula acuta (A. d'Orbigny, 1835) (unaccepted > superseded combination)
6. Species Alexia algerica Bourguignat, 1864 accepted as Myosotella myosotis (Draparnaud, 1801) (unaccepted > junior subjective synonym, original name)
7. Species Alexia armoricana Locard, 1891 accepted as Myosotella denticulata (Montagu, 1803) accepted as Myosotella myosotis (Draparnaud, 1801) (synonym)
8. Species Alexia balearica Dohrn & Heynemann, 1862 accepted as Myosotella myosotis (Draparnaud, 1801) (synonym)
9. Species Alexia bermudensis H. Adams & A. Adams, 1855 accepted as Myosotella myosotis (Draparnaud, 1801) (junior synonym)
10. Species Alexia biasolettiana Küster, 1844 accepted as Myosotella myosotis (Draparnaud, 1801)
11. Species Alexia bidentata (Montagu, 1808) accepted as Leucophytia bidentata (Montagu, 1808)
12. Species Alexia cossoni A. Letourneux & Bourguignat, 1887 accepted as Myosotella myosotis (Draparnaud, 1801) (synonym)
13. Species Alexia denticulata (Montagu, 1803) accepted as Myosotella myosotis (Draparnaud, 1801)
14. Species Alexia enhalia Bourguignat, 1887 accepted as Myosotella myosotis (Draparnaud, 1801) (synonym)
15. Species Alexia exilis Locard, 1893 accepted as Myosotella myosotis (Draparnaud, 1801) (synonym)
16. Species Alexia firmini [sic] accepted as Ovatella firminii (Payraudeau, 1826) (unaccepted > misspelling - incorrect subsequent spelling)
17. Species Alexia globulus Bourguignat, 1887 accepted as Myosotella myosotis (Draparnaud, 1801)
18. Species Alexia harrissoni C. E. Beddome, 1883 accepted as Marinula parva (Swainson, 1855)
19. Species Alexia kobelti Caruana, 1890 accepted as Leucophytia bidentata (Montagu, 1808) (junior synonym)
20. Species Alexia kutschigiana Küster, 1845 accepted as Ovatella kutschigiana (Küster, 1845) accepted as Myosotella myosotis (Draparnaud, 1801) (unaccepted > superseded combination)
21. Species Alexia letourneuxi Bourguignat, 1887 accepted as Myosotella denticulata (Montagu, 1803) accepted as Myosotella myosotis (Draparnaud, 1801) (synonym)
22. Species Alexia loweana L. Pfeiffer, 1866 accepted as Myosotella myosotis (Draparnaud, 1801) (synonym)
23. Species Alexia micheli (Mittre, 1841), sensu Bourguignat, 1864 accepted as Myosotella myosotis (Draparnaud, 1801) (misapplication)
24. Species Alexia myosotis (Draparnaud, 1801) accepted as Myosotella myosotis (Draparnaud, 1801) (unaccepted combination)
25. Species Alexia obsoleta L. Pfeiffer, 1854 accepted as Myosotella myosotis (Draparnaud, 1801) (synonym)
26. Species Alexia oranica Pallary, 1900 accepted as Myosotella denticulata (Montagu, 1803) accepted as Myosotella myosotis (Draparnaud, 1801)
27. Species Alexia paivana L. Pfeiffer, 1866 accepted as Auriculinella bidentata (Montagu, 1808) accepted as Leucophytia bidentata (Montagu, 1808) (junior synonym)
28. Species Alexia parva Locard, 1893 accepted as Myosotella myosotis (Draparnaud, 1801) (synonym)
29. Species Alexia payraudeaui L. Pfeiffer, 1856 accepted as Myosotella myosotis (Draparnaud, 1801) (junior synonym)
30. Species Alexia pechaudi Bourguignat, 1887 accepted as Myosotella myosotis (Draparnaud, 1801) (synonym)
31. Species Alexia personata (Michaud, 1831) accepted as Myosotella denticulata (Montagu, 1803) accepted as Myosotella myosotis (Draparnaud, 1801)
32. Species Alexia reflexilabris (A. d'Orbigny, 1837) accepted as Myosotella myosotis (Draparnaud, 1801)
33. Species Alexia ringicula Locard, 1893 accepted as Myosotella denticulata (Montagu, 1803) accepted as Myosotella myosotis (Draparnaud, 1801) (synonym)
34. Species Alexia setifer J. G. Cooper, 1872 accepted as Myosotella myosotis (Draparnaud, 1801)
35. Species Alexia subflava Fenaux, 1939 accepted as Myosotella myosotis (Draparnaud, 1801)
36. Species Alexia terrestris A. Letourneux & Bourguignat, 1887 accepted as Myosotella myosotis (Draparnaud, 1801)
37. Subgenus Alexia (Tralia) J. E. Gray, 1840 represented as Tralia J. E. Gray, 1840

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