1. Species Cyttarocylis ampulla (Fol, 1881) Bachy et al., 2012
2. Species Cyttarocylis mucronata Kofoid & Campbell, 1929
3. Species Cyttarocylis ollula Brandt, 1907
4. Species Cyttarocylis ricta Kofoid & Campbell, 1929
5. Species Cyttarocylis acutiformis Kofoid & Campbell, 1929 accepted as Cyttarocylis ampulla f. acutaformis (Brandt, 1907) Bachy et al., 2012 (junior synonym)
6. Species Cyttarocylis brandti Kofoid & Campbell, 1929 accepted as Cyttarocylis ampulla f. brandti (Brandt, 1907) Bachy et al., 2012 (junior synonym)
7. Species Cyttarocylis calyciformis Laackmann, 1907 accepted as Cymatocylis calyciformis (Laackmann, 1907) Laackmann, 1910 (unaccepted > superseded combination)
8. Species Cyttarocylis cassis (Haeckel, 1837) accepted as Cyttarocylis ampulla f. cassis (Haeckel 1873) Bachy et al., 2012 (junior synonym)
9. Species Cyttarocylis cistellula Fol, 1883 accepted as Codonaria cistellula (Fol, 1884) Kofoid & Campbell, 1929 (unaccepted > superseded combination)
10. Species Cyttarocylis conica (Brandt, 1907) Kofoid & Campbell, 1929 accepted as Cyttarocylis ampulla f. conica (Brandt, 1907) Bachy et al., 2012
11. Species Cyttarocylis denticulata Ehrenburg, 1840 accepted as Parafavella denticulata (Ehrenberg, 1840) Kofoid & Campbell, 1929
12. Species Cyttarocylis drygalskii Laackmann, 1907 accepted as Cymatocylis drygalskii (Laackmann, 1907) Laackmann, 1910 (unaccepted > superseded combination)
13. Species Cyttarocylis eucecryphalus (Haeckel) Kofoid, 1912 accepted as Cyttarocylis ampulla f. eucecryphalus (Haeckel, 1882) Bachy et al., 2012
14. Species Cyttarocylis gigantea Brandt, 1896 accepted as Parafavella gigantea (Brandt, 1896), Kofoid & Campbell, 1929 (unaccepted > superseded combination)
15. Species Cyttarocylis helix Jørgensen, 1900 accepted as Coxliella helix (Claparède & Lachmann, 1858) (unaccepted > superseded combination)
16. Species Cyttarocylis lanceolata Brandt, 1906 accepted as Xystonella lanceolata (Brandt, 1906) Brandt, 1907 (unaccepted > superseded combination)
17. Species Cyttarocylis longa Kofoid & Campbell, 1929 accepted as Cyttarocylis ampulla f. longa (Brandt, 1907) Bachy et al., 2012
18. Species Cyttarocylis magna (Brandt, 1906) Kofoid & Campbell, 1929 accepted as Cyttarocylis ampulla f. magna (Brandt, 1907) Bachy et al., 2012 (Described by Brandt as variant of Cyttarocylis cassis now known as a morpotype of C. ampulla)
19. Species Cyttarocylis media Brandt, 1896 accepted as Parafavella media (Brandt, 1896) (unaccepted > superseded combination)
20. Species Cyttarocylis nobilis Laackmann, 1907 accepted as Cymatocylis nobilis (Laackmann, 1907) Laackmann, 1910 (unaccepted > superseded combination)
21. Species Cyttarocylis norvegica (Jörgensen, 1900) accepted as Acanthostomella norvegica (Daday, 1887)
22. Species Cyttarocylis obscura Brandt, 1906 accepted as Ascampbelliella obscura (Brandt, 1906) (unaccepted > superseded combination)
23. Species Cyttarocylis parva Laackmann, 1907 accepted as Cymatocylis parva (Laackmann, 1907) Laackmann, 1910 (unaccepted > superseded combination)
24. Species Cyttarocylis plagiostoma (Daday, 1887) accepted as Cyttarocylis ampulla (Fol, 1881) Bachy et al., 2012 (junior synonym)
25. Species Cyttarocylis poculum Ostenfeld & Schmidt, 1902 accepted as Rhabdonella poculum (Ostenfeld & Schmidt, 1901) (unaccepted > superseded combination)
26. Species Cyttarocylis pseudannulata Jörgensen, 1901 accepted as Coxliella pseudoannulata (Jörgensen, 1901)
27. Species Cyttarocylis scalarius Brandt, 1906 accepted as Climacocylis scalaria (Brandt, 1906) (unaccepted > superseded combination)
28. Species Cyttarocylis ventricosa Schmidt, 1902 accepted as Protorhabdonella ventricosa (Schmidt, 1902) Kofoid & Campbell, 1929 (unaccepted > superseded combination)

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