1. Species Catinella antiqua (Colbeau, 1867) †
2. Species Catinella baldwini (Ancey, 1889)
3. Species Catinella explanata (A. Gould, 1852)
4. Species Catinella montana Pierce, 2021 †
5. Species Catinella paropsis C. M. Cooke, 1921
6. Species Catinella rotundata (A. Gould, 1846)
7. Species Catinella rubida Pease, 1870
8. Species Catinella tuberculata C. M. Cooke, 1921
9. Subgenus Catinella (Mediappendix) Pilsbry, 1948 accepted as Mediappendix Pilsbry, 1948 (unaccepted rank)
   1. Species Catinella (Mediappendix) avara [auct. non Say, 1824] accepted as Mediappendix vermeta (Say, 1829)
   2. Species Catinella (Mediappendix) pinicola Grimm, 1960 accepted as Mediappendix oklahomarum (G. R. Webb, 1953) (unaccepted > junior subjective synonym)
   3. Species Catinella (Mediappendix) rehderi (Pilsbry, 1948) accepted as Mediappendix rehderi (Pilsbry, 1948)
   4. Species Catinella (Mediappendix) hubrichti Grimm, 1960 represented as Mediappendix hubrichti (Grimm, 1960)
10. Subgenus Catinella (Quickella) (Potiez & Michaud, 1838) accepted as Quickella C. R. Boettger, 1939
    1. Species Catinella (Quickella) arenaria (Potiez & Michaud, 1838) accepted as Quickella arenaria (Potiez & Michaud, 1838) (unaccepted combination)
    2. Species Catinella (Quickella) vermeta (Say, 1829) accepted as Mediappendix vermeta (Say, 1829) (unaccepted combination)
11. Species Catinella aprica Hubricht, 1968 accepted as Mediappendix aprica (Hubricht, 1968) (unaccepted > superseded combination)
12. Species Catinella arenaria (Potiez & Michaud, 1838) accepted as Quickella arenaria (Potiez & Michaud, 1838)
13. Species Catinella kuhnsi (Ancey, 1904) accepted as Succinea kuhnsi Ancey, 1904 (unaccepted > superseded combination)
14. Species Catinella oklahomarum (G. R. Webb, 1953) accepted as Mediappendix oklahomarum (G. R. Webb, 1953) (unaccepted > superseded combination)
15. Species Catinella parallela Franzen, 1979 accepted as Mediappendix parallela (Franzen, 1979) (unaccepted > superseded combination)
16. Species Catinella protracta Franzen, 1983 accepted as Mediappendix protracta (Franzen, 1983)
17. Species Catinella pugilator Hubricht, 1961 accepted as Mediappendix pugilator (Hubricht, 1961)
18. Species Catinella putamen (A. Gould, 1846) accepted as Succinea putamen A. Gould, 1846 (unaccepted combination)
19. Species Catinella texana Hubricht, 1961 accepted as Mediappendix avara [auct. non Say, 1824] accepted as Mediappendix vermeta (Say, 1829) (unaccepted > junior subjective synonym)
20. Species Catinella thaanumi (Ancey, 1899) accepted as Succinea thaanumi Ancey, 1899 (unaccepted > superseded combination)
21. Species Catinella vagans (Pilsbry, 1900) accepted as Mediappendix vagans (Pilsbry, 1900) (unaccepted > superseded combination)
22. Species Catinella waccamawensis Franzen, 1981 accepted as Mediappendix waccamawensis (Franzen, 1981)

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