1. Species Horatia klecakiana Bourguignat, 1887
2. Species Horatia knorri Schütt, 1961
3. Species Horatia macedonica (Kuščer, 1937)
4. Species Horatia novoselensis Radoman, 1966
5. Species Horatia ozimeci Grego & Falniowski, 2021
6. Species Horatia parvula (Naegele, 1894)
7. Species Horatia podvisensis Glöer & Reuselaars, 2020
8. Species Horatia schlosseri (Royo Gómez, 1922) †
9. Species Horatia stygorumina Grego & Rysiewska, 2021
10. Subgenus Horatia (Caspiohoratia) Logvinenko & Starobogatov, 1969 accepted as Andrusovia Brusina, 1903 (junior synonym)
    1. Species Horatia (Caspiohoratia) marina Logvinenko & Starobogatov, 1969 accepted as Andrusovia dybowskii Brusina, 1903 (junior subjective synonym)
11. Subgenus Horatia (Daphniola) Radoman, 1973 accepted as Daphniola Radoman, 1973
    1. Species Horatia (Daphniola) exigua (A. Schmidt, 1856) accepted as Daphniola exigua (A. Schmidt, 1856)
12. Subgenus Horatia (Hauffenia) Pollonera, 1898 accepted as Hauffenia Pollonera, 1898 (original rank)
    1. Species Horatia (Hauffenia) edlaueri Schütt, 1961 accepted as Hauffenia edlaueri (Schütt, 1961) (unaccepted > superseded combination)
    2. Species Horatia (Hauffenia) erythropomatia (Hauffen, 1856) accepted as Hauffenia erythropomatia (Hauffen, 1856)
    3. Species Horatia (Hauffenia) lucidulus Angelov, 1967 accepted as Horatia lucidula Angelov, 1967 accepted as Hauffenia lucidula (Angelov, 1967)
    4. Species Horatia (Hauffenia) raehlei Schütt, 1980 accepted as Fissuria raehlei (Schütt, 1980) (original combination)
    5. Species Horatia (Hauffenia) stankovici Hadžišče, 1959 accepted as Ohrigocea stankovici (Hadžišče, 1959) (basionym)
    6. Species Horatia (Hauffenia) tellinii Pollonera, 1898 accepted as Hauffenia tellinii (Pollonera, 1898) (basionym)
13. Subgenus Horatia (Neohoratia) Schütt, 1961 accepted as Neohoratia Schütt, 1961 (unaccepted rank)
    1. Species Horatia (Neohoratia) epirana Schütt, 1962 accepted as Islamia epirana (Schütt, 1962) (basionym)
    2. Species Horatia (Neohoratia) hadei E. Gittenberger, 1982 accepted as Daphniola hadei (E. Gittenberger, 1982) (basionym)
14. Species Horatia albanica Bourguignat, 1887 accepted as Horatia klecakiana Bourguignat, 1887 (a junior synonym)
15. Species Horatia birsteini Starobogatov, 1962 accepted as Pontohoratia birsteini (Starobogatov, 1962) (original combination)
16. Species Horatia borutzkii Zhadin, 1923 accepted as Motsametia borutzkii (Zhadin, 1923) (original combination)
17. Species Horatia brusinae Radoman, 1953 accepted as Pseudohoratia brusinae (Radoman, 1953) (basionym)
18. Species Horatia bunarbasa Schütt, 1964 accepted as Islamia bunarbasa (Schütt, 1964) (original combination)
19. Species Horatia erythropomatia (Hauffen, 1856) accepted as Erythropomatiana erythropomatia (Hauffen, 1856) accepted as Hauffenia erythropomatia (Hauffen, 1856) (unaccepted combination)
20. Species Horatia exilis (Paladilhe, 1867) accepted as Heraultiella exilis (Paladilhe, 1867) (unaccepted > superseded combination)
21. Species Horatia fontinalis Bourguignat, 1887 accepted as Horatia klecakiana Bourguignat, 1887 (a junior synonym)
22. Species Horatia gatoa Boeters, 1980 accepted as Iberhoratia gatoa (Boeters, 1980) (basionym)
23. Species Horatia hadei E. Gittenberger, 1982 accepted as Daphniola hadei (E. Gittenberger, 1982) (unaccepted > superseded combination)
24. Species Horatia letourneuxi Bourguignat, 1887 accepted as Horatia klecakiana Bourguignat, 1887 (a junior synonym)
25. Species Horatia ljovushkini Starobogatov, 1962 accepted as Pontohoratia birsteini (Starobogatov, 1962) (unaccepted > junior subjective synonym)
26. Species Horatia lucidula Angelov, 1967 accepted as Hauffenia lucidula (Angelov, 1967)
27. Species Horatia marina Logvinenko & Starobogatov, 1969 accepted as Andrusovia dybowskii Brusina, 1903 (junior subjective synonym)
28. Species Horatia nelsonensis Climo, 1977 accepted as Platypyrgus nelsonensis (Climo, 1977) (superseded combination)
29. Species Horatia obliqua Bourguignat, 1887 accepted as Horatia klecakiana Bourguignat, 1887 (a junior synonym)
30. Species Horatia obtusa Bourguignat, 1887 accepted as Horatia klecakiana Bourguignat, 1887 (a junior synonym)
31. Species Horatia palustris Bourguignat, 1887 accepted as Horatia klecakiana Bourguignat, 1887 (a junior synonym)
32. Species Horatia polinskii Radoman, 1953 accepted as Pseudohoratia ochridana (Poliński, 1929) (a junior synonym)
33. Species Horatia praeclara Bourguignat, 1887 accepted as Horatia klecakiana Bourguignat, 1887 (a junior synonym)
34. Species Horatia sanctizaumi Radoman, 1964 accepted as Zaumia sanctizaumi (Radoman, 1964)
35. Species Horatia servaini Bourguignat, 1887 accepted as Islamia valvataeformis (Möllendorff, 1873)
36. Species Horatia sokolovi Starobogatov, 1962 accepted as Pontohoratia birsteini (Starobogatov, 1962)
37. Species Horatia sturmi (Rosenhauer, 1856) accepted as Boetersiella sturmi (Rosenhauer, 1856) (unaccepted > superseded combination)
38. Species Horatia tellinii Pollonera, 1898 accepted as Hauffenia tellinii (Pollonera, 1898) (original combination)
39. Species Horatia valvataeformis Pollonera, 1898 accepted as Hauffenia tellinii (Pollonera, 1898) (unaccepted > junior subjective synonym)
40. Species Horatia valvataeformis (Möllendorff, 1873) accepted as Islamia valvataeformis (Möllendorff, 1873) (unaccepted > superseded combination)
41. Species Horatia verlikana Bourguignat, 1887 accepted as Horatia klecakiana Bourguignat, 1887 (a junior synonym)
42. Subgenus Horatia (Horatia) Bourguignat, 1887 represented as Horatia Bourguignat, 1887
    1. Species Horatia (Horatia) kusceri Hadžišče, 1959 accepted as Zaumia kusceri (Hadžišče, 1959) (original combination)

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