1. Subgenus Hemicythere (Hemicythere) Sars, 1925
   1. Species Hemicythere (Hemicythere) villosa (Sars, 1866) represented as Hemicythere villosa (Sars, 1866) (superseded recombination)
2. Species Hemicythere arborescens (Brady, 1865) Robinson, 1978
3. Species Hemicythere bicarina Smith, 1952
4. Species Hemicythere borealis (Brady, 1868) Puri, 1953
5. Species Hemicythere brunnea (Brady, 1898)
6. Species Hemicythere cicatricosa
7. Species Hemicythere clavata (Sars, 1866)
8. Species Hemicythere costata (Brady, 1866)
9. Species Hemicythere cymba (Brady)
10. Species Hemicythere foveata Hartmann, 1962
11. Species Hemicythere fulvotincta (Brady, 1880)
12. Species Hemicythere gurjanovae Schornikov, 1974
13. Species Hemicythere hazeli Brouwers, 1993
14. Species Hemicythere innominata (Brady, 1898)
15. Species Hemicythere kussakini Schornikov, 1974
16. Species Hemicythere margaritifera (Müller, 1894) Puri, 1953
17. Species Hemicythere mirabilis (Klie, 1940)
18. Species Hemicythere nana Schornikov, 1974
19. Species Hemicythere obesa (Lucas, 1931)
20. Species Hemicythere ochotensis Schornikov, 1974
21. Species Hemicythere orientalis Schornikov, 1974
22. Species Hemicythere posterovestibulata Schornikov, 1974
23. Species Hemicythere pulchella (Brady, 1868) Puri, 1953
24. Species Hemicythere quadrinodosa Schornikov, 1974
25. Species Hemicythere rekaensis Cronin, 1991
26. Species Hemicythere rubida (Brady, 1868)
27. Species Hemicythere sicula (Brady, 1902)
28. Species Hemicythere skogsbergi Whatley, Moguilevsky, Chadwick, Toy & Ramos, 1998
29. Species Hemicythere strandentia Tressler & Smith, 1948
30. Species Hemicythere taeniata Skogsberg, 1928
31. Species Hemicythere tarakohensis Hornibrook, 1952
32. Species Hemicythere truitti Tressler & Smith, 1948
33. Species Hemicythere villosa (Sars, 1866)
34. Subgenus Hemicythere (Urocythereis) Ruggieri, 1950 accepted as Urocythereis Ruggieri, 1950 (Taxon accepted at genus level)
    1. Species Hemicythere (Urocythereis) margaritifera (Müller, 1894) represented as Hemicythere margaritifera (Müller, 1894) Puri, 1953 (superseded combination)
35. Species Hemicythere abyssicola (Sars, 1866) accepted as Muellerina abyssicola (Sars, 1866) (unaccepted > superseded combination)
36. Species Hemicythere albomaculata (Baird, 1838) accepted as Heterocythereis albomaculata (Baird, 1838) (superseded recombination)
37. Species Hemicythere angulata (Sars, 1866) accepted as Finmarchinella (Barentsovia) angulata (Sars, 1866) (unaccepted > superseded combination)
38. Species Hemicythere auricula Teeter, 1975 accepted as Aurila auricula (Teeter, 1975) † (new combination)
39. Species Hemicythere borchersi Hartmann, 1964 accepted as Jugosocythereis borchersi (Hartmann, 1964) (superseded original combination)
40. Species Hemicythere chilensis Hartmann, 1962 accepted as Hartmannosa chilensis (Hartmann, 1962) (superseded original combination)
41. Species Hemicythere cimbaeformis (Seguenza, 1883) accepted as Mutilus cimbaeformis (Seguenza, 1883) † (unaccepted > superseded combination)
42. Species Hemicythere convexa (Baird, 1850) accepted as Aurila convexa (Baird, 1850) (superseded combination)
43. Species Hemicythere crenulata (Sars, 1866) accepted as Thaerocythere crenulata (Sars, 1866) (superseded recombination)
44. Species Hemicythere emarginata (Sars, 1866) accepted as Baffinicythere emarginata (Sars, 1866) (superseded recombination)
45. Species Hemicythere fallax (Skogsberg, 1928) accepted as Procythereis (Serratocythere) robusta (Skogsberg, 1928) represented as Procythereis robusta (Skogsberg, 1928) (synonym)
46. Species Hemicythere finmarchica (Sars, 1866) accepted as Finmarchinella finmarchica (Sars, 1866) (unaccepted > superseded combination, superseded recombination)
47. Species Hemicythere flabellicostata (Brady, 1880) accepted as Ambostracon flabellicostatum (Brady, 1880) (superseded recombination)
48. Species Hemicythere foveolata (Brady, 1880) accepted as Loxoreticulatum foveolatum (Brady, 1880) (superseded recombination)
49. Species Hemicythere howei Puri, 1953 accepted as Quadracythere howei (Puri, 1953) † (superseded original combination)
50. Species Hemicythere jollaensis LeRoy, 1943 accepted as Robustaurila jollaensis (Leroy, 1943) (superseded original combination)
51. Species Hemicythere kerguelenensis (Brady, 1880) Mckenzie, 1974 accepted as Procythereis (Serratocythere) kerguelenensis (Brady, 1880) Yassini & Jones, 1987 (superseded recombination)
52. Species Hemicythere magnei Keij, 1955 accepted as Heliocythere magnei (Keij, 1955) Bonaduce, Ruggieri & Russo, 1988 (new combination)
53. Species Hemicythere marginata (Norman, 1862) Puri, 1953 accepted as Echinocythereis marginata (Norman, 1862) (superseded combination)
54. Species Hemicythere munida Swanson, 1979 accepted as Aurila munida (Swanson, 1979) (superseded original combination)
55. Species Hemicythere nevianii (Ruggieri, 1953) Masoli, 1970 accepted as Aurila (Ulicznina) nevianii (Ruggieri, 1953) (superseded combination)
56. Species Hemicythere nevianiii (Ruggieri, 1953) Masoli, 1970 accepted as Aurila (Ulicznina) nevianii (Ruggieri, 1953) (misspelling, new combination)
57. Species Hemicythere oblonga (Brady, 1866) accepted as Urocythereis oblonga (Brady, 1866) (superseded recombination)
58. Species Hemicythere packardi (Brady, 1880) Bold, 1950 accepted as Radimella packardi (Brady, 1880) (superseded recombination)
59. Species Hemicythere plicata (Muenster, 1830) accepted as Flexus plicatus (Muenster, 1830) (unaccepted > superseded combination)
60. Species Hemicythere prava (Baird, 1850) accepted as Jugosocythereis prava (Baird, 1850) (superseded recombination)
61. Species Hemicythere quadridentata (Baird, 1850) accepted as Celtia quadridentata (Baird, 1850) (superseded recombination)
62. Species Hemicythere regalia (Benson, 1959) accepted as Procythereis regalis (Benson, 1959) (superseded recombination)
63. Species Hemicythere robusta (Skogsberg, 1928) accepted as Procythereis (Serratocythere) robusta (Skogsberg, 1928) represented as Procythereis robusta (Skogsberg, 1928) (superseded recombination)
64. Species Hemicythere speyeri (Brady, 1868) accepted as Aurila speyeri (Brady, 1868) (synonym)
65. Species Hemicythere stolonifera (Brady, 1880) accepted as Ambocythere stolonifera (Brady, 1880) (superseded recombination)
66. Species Hemicythere variornata (Hartmann, 1978) Gou, 1990 accepted as Tepidiora variornata (Hartmann, 1978) Jellinek, 1995 (superseded recombination)
67. Species Hemicythere vitrocincta (Ruggieri, 1950) accepted as Cimbaurila vitrocincta (Ruggieri, 1950) (unaccepted > superseded combination)

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