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 dercourtii J.H.Johnson, 1965 †
11. Species Jania elegans Decaisne, 1842
12. Species Jania fastigiata Harvey, 1849
13. Species Jania gracilis Zanardini, 1844
14. Species Jania intermedia (Kützing) P.C.Silva, 1996
15. Species Jania iyengarii E.K.Ganesan, 1966
16. Species Jania kuboiensis Ishijima
17. Species Jania lemoinei Ishijima
18. Species Jania lobata Zanardini, 1858
19. Species Jania longiarthra E.Y.Dawson, 1953
20. Species Jania longifurca Zanardini, 1844
21. Species Jania mayei Johnson
22. Species Jania mengaudii Lemoine
23. Species Jania micrarthrodia J.V.Lamouroux, 1816
24. Species Jania minuta Johansen & Womersley, 1994
25. Species Jania miocenica J.H.Johnson
26. Species Jania nipponica (Yendo) Yendo, 1905
27. Species Jania novae-zelandiae Harvey, 1855
28. Species Jania nummulitica Lemoine, 1928 †
29. Species Jania pacifica Areschoug, 1852
30. Species Jania paniculata (J.V.Lamouroux) Decaisne, 1842
31. Species Jania parva Johansen & Womersley, 1994
32. Species Jania parvula Zanardini
33. Species Jania pistillaris Montagne, 1847
34. Species Jania prolifera A.B.Joly, 1966
35. Species Jania prolifera (J.V.Lamouroux) J.H.Kim, Guiry & H.-G.Choi, 2007
36. Species Jania pulchella (Harvey) Johansen & Womersley, 1994
37. Species Jania pumila J.V.Lamouroux, 1816
38. Species Jania purpurata (Lamarck) Blainville, 1834
39. Species Jania pusilla (Sonder) Yendo, 1905
40. Species Jania pygmaea J.V.Lamouroux, 1816
41. Species Jania radiata Yendo, 1905
42. Species Jania rosea (Lamarck) Decaisne, 1842
43. Species Jania rubens (Linnaeus) J.V.Lamouroux, 1816
44. Species Jania sagittata (J.V.Lamouroux) Blainville, 1834
45. Species Jania sanctae-marthae Schnetter, 1972
46. Species Jania santae-marthae Schnetter, 1972
47. Species Jania spectabile (Harvey ex Grunow) J.H.Kim, Guiry & H.-G.Choi, 2007
48. Species Jania sphaeroramosa Twist, J.E.Sutherland & W.A.Nelson, 2018
49. Species Jania squamata (Linnaeus) J.H.Kim, Guiry & H.-G.Choi, 2007
50. Species Jania subpinnata E.Y.Dawson, 1953
51. Species Jania subulata (Ellis & Solander) Sonder, 1848
52. Species Jania tenella (Kützing) Grunow, 1874
53. Species Jania toltrica Maslov
54. Species Jania ucrainica Maslov, 1962 †
55. Species Jania ungulata (Yendo) Yendo, 1905
56. Species Jania vetus Johnson
57. Species Jania virgata (Zanardini) Montagne, 1846
58. Species Jania wassoevicii Maslov
59. Species Jania yenoshimensis (Yendo) Yendo, 1905
60. Species Jania antennina Kützing, 1843 accepted as Jania micrarthrodia J.V.Lamouroux, 1816
61. Species Jania antiqua M'Coy, 1844 † accepted as Cladochonus antiquus (M'Coy, 1844) † (Referable to the Tabulata, an extinct subclass of Anthozoa )
62. Species Jania bacillaria M'Coy, 1844 † accepted as Cladochonus bacularis (M'Coy, 1844) † accepted as Cladochonus bacillaris (M'Coy, 1844) † (Referable to the Tabulata, an extinct subclass of Anthozoa)
63. Species Jania comosa P.L.Crouan & H.M.Crouan, 1865 accepted as Jania adhaerens J.V.Lamouroux, 1816 (synonym)
64. Species Jania compressa J.V.Lamouroux, 1824 accepted as Jania rosea (Lamarck) Decaisne, 1842 (synonym)
65. Species Jania corniculata (Linnaeus) J.V.Lamouroux, 1816 accepted as Jania rubens var. corniculata (Linnaeus) Yendo, 1905 (synonym)
66. Species Jania crassa M'Coy, 1844 † accepted as Cladochonus crassus (M'Coy, 1844) † (nom. illeg., not Jania crassa J.V.Lamouroux, 1821)
67. Species Jania crispata (J.V.Lamouroux) Decaisne, 1842 accepted as Jania rosea (Lamarck) Decaisne, 1842 (synonym)
68. Species Jania cuvieri (J.V.Lamouroux) Decaisne, 1842 accepted as Jania rosea (Lamarck) Decaisne, 1842
69. Species Jania decussatodichotoma (Yendo) Yendo, 1905 accepted as Jania adhaerens J.V.Lamouroux, 1816
70. Species Jania digitata Manza, 1937 accepted as Arthrocardia palmata (J.Ellis & Solander) J.E. Areschoug, 1852
71. Species Jania fastigiota Harvey accepted as Jania fastigiata Harvey, 1849 (misspelling)
72. Species Jania gracilis (J.V.Lamouroux) Montagne, 1845 accepted as Jania rosea (Lamarck) Decaisne, 1842 (synonym)
73. Species Jania granifera J.V.Lamouroux, 1812 accepted as Jania virgata (Zanardini) Montagne, 1846 (synonym)
74. Species Jania hombronii Montagne, 1845 accepted as Corallina hombronii (Montagne) Montagne ex Kützing, 1849
75. Species Jania lamourouxiana (Decaisne) J.H.Kim, Guiry & H.-G.Choi, 2007 accepted as Jania sagittata (J.V.Lamouroux) Blainville, 1834
76. Species Jania mexicana W.R.Taylor, 1945 accepted as Jania pacifica Areschoug, 1852
77. Species Jania natalensis Harvey, 1849 accepted as Jania crassa J.V.Lamouroux, 1821
78. Species Jania nitidula Meslin, 1976 accepted as Jania rubens var. corniculata (Linnaeus) Yendo, 1905 (synonym)
79. Species Jania pedunculata J.V.Lamouroux, 1816 accepted as Jania verrucosa J.V.Lamouroux, 1816
80. Species Jania plumula Zanardini, 1844 accepted as Jania rubens var. corniculata (Linnaeus) Yendo, 1905 (synonym)
81. Species Jania robusta E.Y.Dawson, 1953 accepted as Jania verrucosa J.V.Lamouroux, 1816 (synonym)
82. Species Jania spermophorus J.V.Lamouroux, 1812 accepted as Jania rubens (Linnaeus) J.V.Lamouroux, 1816
83. Species Jania tenuissima Sonder, 1848 accepted as Jania micrarthrodia J.V.Lamouroux, 1816
84. Species Jania acicularis Crouan & Croaun, 1868 (uncertain, uncertain taxonomic status subjected to verification)
85. Species Jania alasaniensis Maslov (uncertain)
86. Species Jania caespitosa Duchassaing, 1850 (uncertain)
87. Species Jania constricta Kützing (uncertain)
88. Species Jania continua Duchassaing, 1850 (uncertain)
89. Species Jania cristata (Linnaeus) Endlicher (uncertain)
90. Species Jania gibbosa J.V.Lamouroux (uncertain)
91. Species Jania guamensis J.H.Johnson (uncertain)
92. Species Jania huertae Chávez, 1972 (uncertain)
93. Species Jania lesueri Duchassaing, 1850 (uncertain)
94. Species Jania occidentalis Johnson & Kaska (uncertain)
95. Species Jania rubra 'J.V.Lamouroux' (uncertain)
96. Species Jania rubrens (L.) Lamour (uncertain)
97. Species Jania verrucosa J.V.Lamouroux, 1816 (uncertain)

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