1. Species Stylochoplana aberrans Kato, 1944
2. Species Stylochoplana alcha (Marcus & Marcus, 1968)
3. Species Stylochoplana amica Kato, 1937
4. Species Stylochoplana capensis Prudhoe, 1989
5. Species Stylochoplana chilensis (Schmarda, 1859)
6. Species Stylochoplana chloranota (Boone, 1929)
7. Species Stylochoplana clara Kato, 1937
8. Species Stylochoplana divae (Marcus, 1949)
9. Species Stylochoplana elegans (Kelaart, 1858)
10. Species Stylochoplana genicotyla Palombi, 1939
11. Species Stylochoplana graffi (Laidlaw, 1906)
12. Species Stylochoplana inquilina Hyman, 1950
13. Species Stylochoplana limnoriae (Hyman, 1953)
14. Species Stylochoplana maculata (Quatrefage, 1845)
15. Species Stylochoplana minuta Hyman, 1959
16. Species Stylochoplana nadiae (Melouk, 1941)
17. Species Stylochoplana opisthopharynx (Palombi, 1928)
18. Species Stylochoplana parasitica Kato, 1935
19. Species Stylochoplana parva Palombi, 1939
20. Species Stylochoplana schauinslandi (Plehn, 1899)
21. Species Stylochoplana selenopsis Marcus, 1947
22. Species Stylochoplana simplex Prudhoe, 1989
23. Species Stylochoplana suesensis Palombi, 1939
24. Species Stylochoplana suoensis Kato, 1943
25. Species Stylochoplana tarda (Graff, 1878)
26. Species Stylochoplana utinomii Kato, 1943
27. Species Stylochoplana walsergia Marcus & Marcus, 1968
28. Subgenus Stylochoplana (Stylochoplanoides) Bock, 1923 (unaccepted > nomen nudum)
    1. Species Stylochoplana (Stylochoplanoides) pusilla Bock, 1924 accepted as Comoplana pusilla (Bock, 1924)
29. Subgenus Stylochoplana (Stylochoplanoides) Bock, 1924 (unaccepted > nomen nudum, nomen nudum)
30. Species Stylochoplana affinis Palombi, 1940 accepted as Armatoplana affinis (Palombi, 1940)
31. Species Stylochoplana agilis Lang, 1884 accepted as Comoplana agilis (Lang, 1884)
32. Species Stylochoplana angusta (Verrill, 1893) accepted as Comoplana angusta (Verrill, 1893)
33. Species Stylochoplana aulica Marcus, 1947 accepted as Alloioplana aulica (Marcus, 1947)
34. Species Stylochoplana bayeri Marcus & Marcus, 1968 accepted as Heroplana bayeri (Marcus & Marcus, 1968)
35. Species Stylochoplana californica Woodworth, 1894 accepted as Leptoplanella californica (Woodworth, 1894)
36. Species Stylochoplana caraibica Palombi, 1923 accepted as Neostylochus caraibica (Palombi, 1923)
37. Species Stylochoplana challengeri (Graff, 1892) accepted as Phaenoplana challengeri (Graff, 1892)
38. Species Stylochoplana conoceraea (Schmarda, 1859) accepted as Phaenoplana conoceraea (Schmarda, 1859)
39. Species Stylochoplana diaphana (Stummer-Traunfels, 1933) accepted as Leptoplana diaphana Stummer-Traunfels, 1933
40. Species Stylochoplana divae Marcus, 1947 accepted as Armatoplana divae (Marcus, 1947)
41. Species Stylochoplana evelinae Marcus, 1952 accepted as Interplana evelinae (Marcus, 1952)
42. Species Stylochoplana fasciata (Schmarda, 1859) accepted as Styloplanocera fasciata (Schmarda, 1859)
43. Species Stylochoplana floridana Pearse, 1938 accepted as Gnesioceros floridana (Pearse, 1938)
44. Species Stylochoplana folia (Grube, 1840) accepted as Planocera folia (Grube, 1840)
45. Species Stylochoplana folium (Grube, 1840) accepted as Planocera folia (Grube, 1840)
46. Species Stylochoplana genicotyle Palombi, 1939 accepted as Stylochoplana genicotyla Palombi, 1939
47. Species Stylochoplana gracilis Heath & McGregor, 1912 accepted as Emprosthopharynx gracilis (Heath & McGregor, 1912)
48. Species Stylochoplana hancocki Hyman, 1953 accepted as Emprosthopharynx hancocki (Hyman, 1953)
49. Species Stylochoplana heathi Boone, 1929 accepted as Pleioplana inquieta (Heath & McGregor, 1912)
50. Species Stylochoplana lactoalba (Verrill, 1900) accepted as Armatoplana lactoalba (Verrill, 1900)
51. Species Stylochoplana leptalea Marcus, 1947 accepted as Armatoplana leptalea (Marcus, 1947)
52. Species Stylochoplana longastyletta Freeman, 1933 accepted as Notoplana longastyletta (Freeman, 1933)
53. Species Stylochoplana longipenis Hyman, 1953 accepted as Phaenoplana longipenis (Hyman, 1953)
54. Species Stylochoplana lynca Du Bois-Reymond Marcus, 1958 accepted as Parviplana lynca (Du Bois-Reymond Marcus, 1958)
55. Species Stylochoplana meleagrina (Kelaart, 1858) accepted as Prostheceraeus meleagrinus (Kelaart, 1858)
56. Species Stylochoplana nationalis Plehn, 1896 accepted as Notoplehnia nationalis (Plehn, 1896)
57. Species Stylochoplana oculifera Pearse & Walker, 1939 accepted as Gnesioceros floridana (Pearse, 1938)
58. Species Stylochoplana oculifera (Girard, 1853) accepted as Gnesioceros floridana (Pearse, 1938)
59. Species Stylochoplana pallida (Quatrefage, 1845) accepted as Emprosthopharynx pallida (Quatrefage, 1845)
60. Species Stylochoplana palmula (Quatrefage, 1845) accepted as Comoplana palmula (Quatrefage, 1845)
61. Species Stylochoplana panamensis (Plehn, 1896) Bock, 1913 accepted as Armatoplana panamensis (Plehn, 1896) Faubel, 1983 (unaccepted > superseded combination)
62. Species Stylochoplana plehni Bock, 1913 accepted as Pleioplana californica (Plehn, 1898)
63. Species Stylochoplana pusilla Bock, 1924 accepted as Comoplana pusilla (Bock, 1924)
64. Species Stylochoplana reishi Hyman, 1959 accepted as Armatoplana reishi (Hyman, 1959)
65. Species Stylochoplana reticulata (Stimpson, 1855) accepted as Planocera reticulata (Stimpson, 1855)
66. Species Stylochoplana robusta (Palombi, 1928) accepted as Armatoplana robusta (Palombi, 1928)
67. Species Stylochoplana sargassicola (Mertens, 1833) accepted as Gnesioceros sargassicola (Mertens, 1833)
68. Species Stylochoplana siamensis Palombi, 1923 accepted as Koinostylochus siamensis (Palombi, 1923)
69. Species Stylochoplana snadda Marcus & Marcus, 1968 accepted as Armatoplana snadda (Marcus & Marcus, 1968)
70. Species Stylochoplana taiwanica Kato, 1943 accepted as Phaenoplana taiwanica (Kato, 1943)
71. Species Stylochoplana taurica Jacubowa, 1909 accepted as Armatoplana taurica (Jacubowa, 1909)
72. Species Stylochoplana tenera Stimpson, 1857 accepted as Planocera pellucida (Mertens, 1833)
73. Species Stylochoplana tenuis Palombi, 1936 accepted as Armatoplana tenuis (Palombi, 1936)
74. Species Stylochoplana tenuis Stimpson, 1857 accepted as Planocera pellucida (Mertens, 1833)
75. Species Stylochoplana vesiculata Palombi, 1940 accepted as Armatoplana vesiculata (Palombi, 1940)
76. Species Stylochoplana viridis Freeman, 1933 accepted as Triplana viridis (Freeman, 1933)
77. Species Stylochoplana wyona Marcus & Marcus, 1968 accepted as Alloioplana wyona (Marcus & Marcus, 1968)

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