1. Genus Acrocytis Rosenvinge, 1933
2. Genus Acrospongium Schiffner, 1916
3. Genus Acrothrix Kylin, 1907
4. Genus Acrotrichium Womersley & Skinner, 1987
5. Genus Actinema Reinsch, 1874-1875
6. Genus Adriogloia Ercegovic, 1955
7. Genus Ascocyclus Magnus, 1874
8. Genus Ascoseirophila A.F.Peters, 2003
9. Genus Asperococcus J.V.Lamouroux, 1813
10. Genus Austrofilum A.F.Peters, 2003
11. Genus Botrytella Bory de Saint-Vincent, 1822
12. Genus Buffhamia Batters, 1895
13. Genus Castagnea A.Derbès & A.Solier, 1851
14. Genus Chilionema Sauvageau, 1898
15. Genus Chordaria C.Agardh, 1817
16. Genus Chukchia R.T.Wilce, P.M.Pedersen & Sekida, 2009
17. Genus Cladochroa Skottsberg, 1921
18. Genus Cladosiphon Kützing, 1843
19. Genus Cladothele J.D.Hooker & Harvey, 1845
20. Genus Clathrodiscus Hamel, 1935
21. Genus Climacosorus Sauvageau, 1933
22. Genus Coelocladia Rosenvinge, 1893
23. Genus Coilodesme Strømfelt, 1886
24. Genus Compsonema Kuckuck, 1899
25. Genus Corycus Kjellman, 1889
26. Genus Corynophlaea Kützing, 1843
27. Genus Cylindrocarpus P.L.Crouan & H.M.Crouan, 1851
28. Genus Dalmatogloia Ercegovic, 1955
29. Genus Delamarea Hariot, 1889
30. Genus Dermatocelis Rosenvinge, 1898
31. Genus Desmotrichum Kützing, 1845
32. Genus Dichosporangium Hauck, 1884
33. Genus Dictyosiphon Greville, 1830
34. Genus Diplostromium Kützing, 1843
35. Genus Ectocarpidium Sperk, 1869
36. Genus Elachista Duby, 1830
37. Genus Elachistiella Cassano, Yoneshigue-Valentin & M.J.Wynne, 2004
38. Genus Entonema Reinsch, 1875
39. Genus Eudesme J.Agardh, 1882
40. Genus Flabellonema Skinner & Womersley, 1984
41. Genus Fosliea Reinke, 1891
42. Genus Giraudia Derbès & Solier, 1851
43. Genus Gononema Kuckuck & Skottsberg, 1921
44. Genus Gontrania Sauvageau, 1936
45. Genus Haloglossum Kützing, 1843
46. Genus Halonema Jaasund, 1951
47. Genus Halorhipis Saunders, 1898
48. Genus Halorhiza Kützing, 1843
49. Genus Halothrix Reinke, 1888
50. Genus Hamelella Børgesen, 1942
51. Genus Haplogloia Levring, 1939
52. Genus Hecatonema Sauvageau, 1898 '1897'
53. Genus Heterophycus Trevisan, 1848
54. Genus Heterosaundersella Tokida, 1942
55. Genus Hummia J.Fiore, 1975
56. Genus Isthmoplea Kjellman, 1877
57. Genus Kolderupia S.Lund, 1959
58. Genus Kuetzingiella Kornmann, 1956
59. Genus Kurogiella Kawai, 1993
60. Genus Laminariocolax Kylin, 1947
61. Genus Laminarionema Kawai & Tokuyama, 1995
62. Genus Leathesia S.F.Gray, 1821
63. Genus Leblondiella G.Hamel, 1939
64. Genus Leptonematella P.C.Silva, 1959
65. Genus Levringia Kylin, 1940
66. Genus Liebmannia J.Agardh, 1842
67. Genus Litosiphon Harvey, 1849
68. Genus Melastictis Reinsch, 1890
69. Genus Mesogloia C.Agardh, 1817
70. Genus Mesogloiopsis Womersley & Bailey, 1987
71. Genus Microcoryne Strömfelt, 1888
72. Genus Microspongium Reinke, 1888
73. Genus Mikrosyphar Kuckuck, 1895
74. Genus Monosiphon L.Volkov, 1916
75. Genus Myriactula Kuntze, 1898
76. Genus Myriocladia J.Agardh, 1841
77. Genus Myriogloea P.Kuckuck ex F.Oltmanns, 1922
78. Genus Myrionema Greville, 1827
79. Genus Myrionemopsis P.Dangeard, 1968
80. Genus Myriotrichia Harvey, 1834
81. Genus Nemacystus Derbès & Solier, 1850
82. Genus Neoleptonema E.-Y.Lee & I.K.Lee, 2002
83. Genus Omphalophyllum Rosenvinge, 1893
84. Genus Papenfussiella Kylin, 1940
85. Genus Phaearthron P.M.Pedersen, 1984
86. Genus Phaeophysema A.Tanaka, S.Uwai & H. Kawai, 2010
87. Genus Phaeostroma Kuckuck, 1893
88. Genus Phaeostromatella P.[J.L.] Dangeard, 1970
89. Genus Phycocelis Strömfelt, 1888
90. Genus Pilocladus Kornmann, 1954
91. Genus Polycerea J.Agardh, 1882
92. Genus Proselachista Y.P.Lee & Garbary, 1999
93. Genus Protasperococcus Sauvageau, 1931
94. Genus Protectocarpus Kornmann, 1955
95. Genus Punctaria Greville, 1830
96. Genus Rhadinocladia Schuh, 1900
97. Genus Saundersella Kylin, 1940
98. Genus Sauvageaugloia G.Hamel ex Kylin, 1940
99. Genus Setoutiphycus H.Kawai & T.Hanyuda, 2021
100. Genus Soranthera Postels & Ruprecht, 1840
101. Genus Spermatochnus Kützing, 1843
102. Genus Sphaerotrichia Kylin, 1940
103. Genus Stictyosiphon Kützing, 1843
104. Genus Stilophora J.Agardh, 1841
105. Genus Stilopsis Kuckuck, 1929
106. Genus Streblonemopsis R.Valiante, 1883
107. Genus Strepsithalia Bornet ex Sauvageau, 1896
108. Genus Striaria Greville, 1828
109. Genus Suringariella Womersley & Bailey, 1987
110. Genus Tinocladia Kylin, 1940
111. Genus Trachynema P.-M.Pedersen, 1985
112. Genus Ulonema Foslie, 1893
113. Genus Vimineoleathesia A.Tanaka, S.Uwai & H. Kawai, 2010
114. Genus Xanthosiphonia J.Agardh, 1894
115. Genus Aegira Fries, 1825 accepted as Eudesme J.Agardh, 1882 (synonym)
116. Genus Bactrophora J.Agardh, 1882 accepted as Cladosiphon Kützing, 1843 (synonym)
117. Genus Carmichaelia Greville, 1827 accepted as Striaria Greville, 1828 (synonym)
118. Genus Clavatella Bory de Saint-Vincent, 1823 accepted as Leathesia S.F.Gray, 1821 (synonym)
119. Genus Coilonema Areschoug, 1872 accepted as Dictyosiphon Greville, 1830 (synonym)
120. Genus Corynephora C.Agardh, 1824 accepted as Leathesia S.F.Gray, 1821 (synonym)
121. Genus Encoelium C.Agardh, 1820 accepted as Asperococcus J.V.Lamouroux, 1813 (synonym)
122. Genus Endodictyon H.Gran, 1897 accepted as Streblonema Derbès & Solier, 1851 accepted as Myriotrichia Harvey, 1834 (synonym)
123. Genus Farlowiella Kornmann, 1956 accepted as Hummia J.Fiore, 1975 (synonym)
124. Genus Gobia Reinke, 1889 accepted as Dictyosiphon Greville, 1830 (synonym)
125. Genus Gonodia Nieuwland, 1917 accepted as Myriactula Kuntze, 1898 (synonym)
126. Genus Homeostroma J. Agardh, 1896 accepted as Homoeostroma J.Agardh, 1896 accepted as Punctaria Greville, 1830 (misspelling)
127. Genus Homoeostroma J.Agardh, 1896 accepted as Punctaria Greville, 1830
128. Genus Kjellmania Reinke, 1888 accepted as Stictyosiphon Kützing, 1843 (synonym)
129. Genus Leptonema Reinke, 1888 accepted as Leptonematella P.C.Silva, 1959 (synonym)
130. Genus Microsporangium accepted as Microspongium Reinke, 1888 (unaccepted > misspelling - incorrect subsequent spelling)
131. Genus Myriactis Kützing, 1843 accepted as Myriactula Kuntze, 1898 (homonym; nom. illeg; not Myriactis Lessing, 1831 (Asteraceae))
132. Genus Phaeocladia Gran, 1893 accepted as Phaeostroma Kuckuck, 1893 (synonym)
133. Genus Phaeosphaerium Kjellman, 1890 accepted as Myrionema Greville, 1827 (synonym)
134. Genus Philippia Kuckuck, 1929 accepted as Elachista Duby, 1830 (synonym)
135. Genus Philippiella P.C.Silva, 1959 accepted as Elachista Duby, 1830 (synonym)
136. Genus Phloeospora Areschoug, 1873 accepted as Stictyosiphon Kützing, 1843 (synonym)
137. Genus Phycolapathum Kützing, 1843 accepted as Petalonia Derbès & Solier, 1850 (synonym)
138. Genus Phycophila Kützing, 1843 accepted as Elachista Duby, 1830 (synonym)
139. Genus Physematoplea Kjellman, 1890 accepted as Delamarea Hariot, 1889 (synonym)
140. Genus Polytretus Sauvageau, 1900 accepted as Botrytella Bory de Saint-Vincent, 1822 (synonym)
141. Genus Portphillipia P.C.Silva, 1970 accepted as Elachista Duby, 1830 (synonym)
142. Genus Sorocarpus Pringsheim, 1862 accepted as Botrytella Bory de Saint-Vincent, 1822 (synonym)
143. Genus Stilophora C.Agardh, 1827 accepted as Hydroclathrus Bory de Saint-Vincent, 1825
144. Genus Streblonema Derbès & Solier, 1851 accepted as Myriotrichia Harvey, 1834 (synonym)
145. Genus Suringaria Kylin, 1940 accepted as Suringariella Womersley & Bailey, 1987 (synonym)
146. Genus Symphoricoccus Reinke, 1888 accepted as Elachista Duby, 1830 (synonym)
147. Genus Trichocladia Harvey, 1836 accepted as Mesogloia C.Agardh, 1817 (synonym)
148. Genus Waerniella Kylin, 1947 accepted as Pilinia Kützing, 1843 (synonym)
149. Genus Halodictyon Kützing, 1843 (uncertain > nomen dubium)
150. Genus Phacochorda Trevisan, 1849 (uncertain)
151. Genus Zonarina Ørsted, 1844 (uncertain)

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