1. Species Jania acutiloba (Decaisne) J.H.Kim, Guiry & H.-G.Choi, 2007
2. Species Jania adhaerens J.V.Lamouroux, 1816
3. Species Jania affinis Harvey, 1855
4. Species Jania arborescens (Yendo) Yendo, 1905
5. Species Jania articulata N'Yeurt & Payri, 2009
6. Species Jania capillacea Harvey, 1853
7. Species Jania crassa J.V.Lamouroux, 1821
8. Species Jania cubensis Montagne ex Kützing, 1849
9. Species Jania cultrata (Harvey) J.H.Kim, Guiry & H.-G.Choi, 2007
10. Species Jania elegans Decaisne, 1842
11. Species Jania fastigiata Harvey, 1849
12. Species Jania gracilis Zanardini, 1844
13. Species Jania intermedia (Kützing) P.C.Silva, 1996
14. Species Jania iyengarii E.K.Ganesan, 1966
15. Species Jania kuboiensis Ishijima
16. Species Jania lemoinei Ishijima
17. Species Jania lobata Zanardini, 1858
18. Species Jania longiarthra E.Y.Dawson, 1953
19. Species Jania longifurca Zanardini, 1844
20. Species Jania mayei Johnson
21. Species Jania mengaudii Lemoine
22. Species Jania micrarthrodia J.V.Lamouroux, 1816
23. Species Jania minuta Johansen & Womersley, 1994
24. Species Jania miocenica J.H.Johnson
25. Species Jania nipponica (Yendo) Yendo, 1905
26. Species Jania novae-zelandiae Harvey, 1855
27. Species Jania pacifica Areschoug, 1852
28. Species Jania paniculata (J.V.Lamouroux) Decaisne, 1842
29. Species Jania parva Johansen & Womersley, 1994
30. Species Jania parvula Zanardini
31. Species Jania pistillaris Montagne, 1847
32. Species Jania prolifera A.B.Joly, 1966
33. Species Jania prolifera (J.V.Lamouroux) J.H.Kim, Guiry & H.-G.Choi, 2007
34. Species Jania pulchella (Harvey) Johansen & Womersley, 1994
35. Species Jania pumila J.V.Lamouroux, 1816
36. Species Jania purpurata (Lamarck) Blainville, 1834
37. Species Jania pusilla (Sonder) Yendo, 1905
38. Species Jania pygmaea J.V.Lamouroux, 1816
39. Species Jania radiata Yendo, 1905
40. Species Jania rosea (Lamarck) Decaisne, 1842
41. Species Jania rubens (Linnaeus) J.V.Lamouroux, 1816
42. Species Jania sagittata (J.V.Lamouroux) Blainville, 1834
43. Species Jania sanctae-marthae Schnetter, 1972
44. Species Jania santae-marthae Schnetter, 1972
45. Species Jania spectabile (Harvey ex Grunow) J.H.Kim, Guiry & H.-G.Choi, 2007
46. Species Jania sphaeroramosa Twist, J.E.Sutherland & W.A.Nelson, 2018
47. Species Jania squamata (Linnaeus) J.H.Kim, Guiry & H.-G.Choi, 2007
48. Species Jania subpinnata E.Y.Dawson, 1953
49. Species Jania subulata (Ellis & Solander) Sonder, 1848
50. Species Jania tenella (Kützing) Grunow, 1874
51. Species Jania toltrica Maslov
52. Species Jania ungulata (Yendo) Yendo, 1905
53. Species Jania vetus Johnson
54. Species Jania virgata (Zanardini) Montagne, 1846
55. Species Jania wassoevicii Maslov
56. Species Jania yenoshimensis (Yendo) Yendo, 1905
57. Species Jania antennina Kützing, 1843 accepted as Jania micrarthrodia J.V.Lamouroux, 1816
58. Species Jania comosa P.L.Crouan & H.M.Crouan, 1865 accepted as Jania adhaerens J.V.Lamouroux, 1816 (synonym)
59. Species Jania compressa J.V.Lamouroux, 1824 accepted as Jania rosea (Lamarck) Decaisne, 1842 (synonym)
60. Species Jania corniculata (Linnaeus) J.V.Lamouroux, 1816 accepted as Jania rubens var. corniculata (Linnaeus) Yendo, 1905 (synonym)
61. Species Jania crispata (J.V.Lamouroux) Decaisne, 1842 accepted as Jania rosea (Lamarck) Decaisne, 1842 (synonym)
62. Species Jania cuvieri (J.V.Lamouroux) Decaisne, 1842 accepted as Jania rosea (Lamarck) Decaisne, 1842
63. Species Jania decussatodichotoma (Yendo) Yendo, 1905 accepted as Jania adhaerens J.V.Lamouroux, 1816
64. Species Jania digitata Manza, 1937 accepted as Arthrocardia palmata (J.Ellis & Solander) J.E. Areschoug, 1852
65. Species Jania fastigiota Harvey accepted as Jania fastigiata Harvey, 1849 (misspelling)
66. Species Jania gracilis (J.V.Lamouroux) Montagne, 1845 accepted as Jania rosea (Lamarck) Decaisne, 1842 (synonym)
67. Species Jania granifera J.V.Lamouroux, 1812 accepted as Jania virgata (Zanardini) Montagne, 1846 (synonym)
68. Species Jania hombronii Montagne, 1845 accepted as Corallina hombronii (Montagne) Montagne ex Kützing, 1849
69. Species Jania lamourouxiana (Decaisne) J.H.Kim, Guiry & H.-G.Choi, 2007 accepted as Jania sagittata (J.V.Lamouroux) Blainville, 1834
70. Species Jania mexicana W.R.Taylor, 1945 accepted as Jania pacifica Areschoug, 1852
71. Species Jania natalensis Harvey, 1849 accepted as Jania crassa J.V.Lamouroux, 1821
72. Species Jania nitidula Meslin, 1976 accepted as Jania rubens var. corniculata (Linnaeus) Yendo, 1905 (synonym)
73. Species Jania pedunculata J.V.Lamouroux, 1816 accepted as Jania verrucosa J.V.Lamouroux, 1816
74. Species Jania plumula Zanardini, 1844 accepted as Jania rubens var. corniculata (Linnaeus) Yendo, 1905 (synonym)
75. Species Jania robusta E.Y.Dawson, 1953 accepted as Jania verrucosa J.V.Lamouroux, 1816 (synonym)
76. Species Jania spermophorus J.V.Lamouroux, 1812 accepted as Jania rubens (Linnaeus) J.V.Lamouroux, 1816
77. Species Jania tenuissima Sonder, 1848 accepted as Jania micrarthrodia J.V.Lamouroux, 1816
78. Species Jania acicularis Crouan & Croaun, 1868 (uncertain, uncertain taxonomic status subjected to verification)
79. Species Jania alasaniensis Maslov (uncertain)
80. Species Jania caespitosa Duchassaing, 1850 (uncertain)
81. Species Jania constricta Kützing (uncertain)
82. Species Jania continua Duchassaing, 1850 (uncertain)
83. Species Jania cristata (Linnaeus) Endlicher (uncertain)
84. Species Jania gibbosa J.V.Lamouroux (uncertain)
85. Species Jania guamensis J.H.Johnson (uncertain)
86. Species Jania huertae Chávez, 1972 (uncertain)
87. Species Jania lesueri Duchassaing, 1850 (uncertain)
88. Species Jania occidentalis Johnson & Kaska (uncertain)
89. Species Jania rubra 'J.V.Lamouroux' (uncertain)
90. Species Jania rubrens (L.) Lamour (uncertain)
91. Species Jania verrucosa J.V.Lamouroux, 1816 (uncertain)

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