1. Species Audouinella armoricanum Dizerbo, 2007
2. Species Audouinella blumii Woelkerling, 1971
3. Species Audouinella callithamnionoides (Nakamura) Garbary, 1979
4. Species Audouinella cheminii Dizerbo, 2007
5. Species Audouinella chnoosporae (Børgesen) Garbary, 1987
6. Species Audouinella curta (Baardseth) Garbary, 1987
7. Species Audouinella curviramulosa Luan, 1993
8. Species Audouinella cylindrica C.-C.Jao, 1940
9. Species Audouinella dalianensis L.Luan
10. Species Audouinella delisea (Levring) Garbary, 1979
11. Species Audouinella drewii (Baardseth) R.X.Luan & S.M.Zhang, 1998
12. Species Audouinella dubosquii (J.Feldmann) Ballesteros & Romero
13. Species Audouinella funiformis Bory de Saint-Vincent, 1823
14. Species Audouinella laminariae Dizerbo, 2007
15. Species Audouinella liaonanensis Luan
16. Species Audouinella manxiana Garbary, 1978
17. Species Audouinella neozeelandica (Levring) Garbary, 1987
18. Species Audouinella polyspora R.X.Luan
19. Species Audouinella pugettia Luan, 1993
20. Species Audouinella pygmaea (Kützing) Weber Bosse, 1921
21. Species Audouinella ralfsiae (Børgesen) South & Tittley
22. Species Audouinella sorocarpa R.X.Luan
23. Species Audouinella sphaerotrichia R.X.Luan
24. Species Audouinella spinulosa (Suhr) G.R.South & Tittley, 1986
25. Species Audouinella streblocladiae (P.J.L.Dangeard) J.H.Price, 1986
26. Species Audouinella variabilis (Drew) D.J.Garbary, 1980
27. Species Audouinella actinoclada (I.A.Abbott) Garbary, 1979 accepted as Acrochaetium actinocladum I.A.Abbott, 1962
28. Species Audouinella affinis (M.A.Howe & Hoyt) Schneider, 1983 accepted as Acrochaetium affine M.A.Howe & Hoyt, 1916
29. Species Audouinella agardhiellae (Joly & Cordiero) Garbary, 1987 accepted as Acrochaetium agardhiellae A.B.Joly & Cordeiro, 1963
30. Species Audouinella alariae (Jónsson) Woelkerling, 1973 accepted as Acrochaetium alariae (Jónsson) Bornet, 1904 (Synonym)
31. Species Audouinella americana (C.-C.Jao) Garbary & Rueness, 1980 accepted as Colaconema americanum C.-C.Jao, 1936
32. Species Audouinella amphiroae (K.M.Drew) Garbary, 1982 accepted as Colaconema amphiroae (K.M.Drew) P.W.Gabrielson, 2000
33. Species Audouinella antillarum (W.R.Taylor) Garbary, 1987 accepted as Acrochaetium antillarum W.R.Taylor, 1942
34. Species Audouinella arcuata (Drew) Garbary, G.I.Hansen & Scagel, 1983 accepted as Acrochaetium arcuatum (K.M.Drew) C.K.Tseng, 1945
35. Species Audouinella arnoldii (Weber-van Bosse) Garbary, 1987 accepted as Acrochaetium arnoldii Weber-van Bosse, 1921
36. Species Audouinella asparagopsis (Chemin) P.S.Dixon, 1976 accepted as Colaconema asparagopsis Chemin, 1926
37. Species Audouinella attenuata (Rosenvinge) Garbary, 1979 accepted as Acrochaetium attenuatum (Rosenvinge) Hamel, 1927 accepted as Colaconema attenuatum (Rosenvinge) R.Nielsen, 1994 accepted as Acrochaetium densum (K.M.Drew) Papenfuss, 1945 accepted as Acrochaetium catenulatum M.Howe, 1914
38. Species Audouinella australis (Levring) Woelkerling, 1971 accepted as Acrochaetium unifilum C.-C.Jao, 1936
39. Species Audouinella avrainvilleae (Børgesen) Garbary, 1987 accepted as Acrochaetium avrainvilleae Børgesen, 1915
40. Species Audouinella bahreinii (Børgesen) Garbary, 1987 accepted as Acrochaetium bahreinii Børgesen, 1939
41. Species Audouinella balliae Stegenga, 1985 accepted as Acrochaetium balliae (Stegenga) Stegenga, Bolton & R.J.Anderson, 1997
42. Species Audouinella baltica (Rosenvinge) Garbary, 1979 accepted as Acrochaetium balticum (Rosenvinge) Aleem & Schulz, 1952
43. Species Audouinella barbadensis (Vickers) Woelkerling, 1971 accepted as Acrochaetium barbadense (Vickers) Børgesen, 1915
44. Species Audouinella battersiana (Hamel) P.S.Dixon, 1976 accepted as Acrochaetium battersianum Hamel, 1927
45. Species Audouinella bispora (Børgesen) Garbary, 1979 accepted as Colaconema bisporum (Børgesen) I.-K.Hwang & H.-S.Kim, 2011 (synonym)
46. Species Audouinella boergesenii (Schiffner) Garbary, 1987 accepted as Acrochaetium boergesenii Schiffner, 1931
47. Species Audouinella bonnemaisoniae (Batters) P.S.Dixon, 1976 accepted as Colaconema bonnemaisoniae Batters, 1896
48. Species Audouinella botryocarpa (Harvey) Woelkerling, 1971 accepted as Colaconema caespitosum (J.Agardh) Jackelman, Stegenga & J.J.Bolton, 1991
49. Species Audouinella brebneri (Batters) P.S.Dixon, 1976 accepted as Acrochaetium brebneri (Batters) Hamel, 1928
50. Species Audouinella bulbosa (G.Hamel) Garbary, 1987 accepted as Acrochaetium bulbosa G.Hamel, 1927
51. Species Audouinella byssacea (Kützing) J.H.Price, 1986 accepted as Colaconema savianum (Meneghini) R.Nielsen, 1994
52. Species Audouinella caesareae (Feldmann) Conde Poyales, 1991 accepted as Acrochaetium caesareae Feldmann, 1931
53. Species Audouinella caespitiformis (Børgesen) Garbary, 1987 accepted as Acrochaetium caespitiforme Børgesen, 1920
54. Species Audouinella caespitosa (J.Agardh) P.S.Dixon, 1976 accepted as Colaconema caespitosum (J.Agardh) Jackelman, Stegenga & J.J.Bolton, 1991
55. Species Audouinella callithamnioides (Nakamura) Garbary, 1979 accepted as Rhodochorton callithamnioides Nakamura, 1944
56. Species Audouinella canariensis (Børgesen) Garbary, 1979 accepted as Acrochaetium canariense Børgesen, 1927
57. Species Audouinella catenulata (M.Howe) Garbary, 1979 accepted as Acrochaetium catenulatum M.Howe, 1914
58. Species Audouinella chylocladiae (Batters) P.S.Dixon, 1976 accepted as Colaconema chylocladiae Batters, 1896
59. Species Audouinella clandestina (Montagne) Garbary, 1979 accepted as Acrochaetium clandestinum (Montagne) M.Howe, 1914
60. Species Audouinella coccinea (K.M.Drew) Garbary, G.I.Hansen & Scagel, 1983 accepted as Colaconema coccineum (K.M.Drew) P.W.Gabrielson, 2004
61. Species Audouinella codicola (Børgesen) Garbary, 1979 accepted as Colaconema codicola (Børgesen) Stegenga, J.J.Bolton & R.J.Anderson, 1997 (synonym)
62. Species Audouinella codii (Hamel) G.Furnari, 2000 accepted as Colaconema caespitosum (J.Agardh) Jackelman, Stegenga & J.J.Bolton, 1991 (synonym)
63. Species Audouinella compta (Borgesen) Garbary, 1979 accepted as Colaconema comptum (Børgesen) I.-K.Hwang & H.-S.Kim, 2011 (synonym)
64. Species Audouinella conchicola (Lami) G.R.South & Tittley, 1986 accepted as Colaconema conchicola Lami, 1939 (synonym)
65. Species Audouinella concrescens (K.M.Drew) P.S.Dixon, 1976 accepted as Meiodiscus concrescens (K.M.Drew) P.W.Gabrielson, 2000
66. Species Audouinella corymbifera (Thuret) P.S.Dixon, 1976 accepted as Colaconema corymbiferum (Thuret) Alongi, Cormaci & G.Furnari, 2017
67. Species Audouinella crassipes (Børgesen) Garbary, 1979 accepted as Acrochaetium crassipes (Børgesen) Børgesen, 1915
68. Species Audouinella cymopoliae (Børgesen) J.H.Price, 1986 accepted as Acrochaetium cymopoliae Børgesen, 1927
69. Species Audouinella cytophaga (Rosenvinge) G.R.South & Tittley, 1986 accepted as Acrochaetium cytophagum (Rosenvinge) Hamel, 1927
70. Species Audouinella dasyae (Collins) Woelkerling, 1973 accepted as Colaconema dasyae (Collins) Stegenga, I.Mol, Prud'homme & Lokhorst, 1997
71. Species Audouinella daviesii (Dillwyn) Woelkerling, 1971 accepted as Colaconema daviesii (Dillwyn) Stegenga, 1985
72. Species Audouinella densa (K.M.Drew) Garbary, 1979 accepted as Acrochaetium densum (K.M.Drew) Papenfuss, 1945 accepted as Acrochaetium catenulatum M.Howe, 1914 (synonym)
73. Species Audouinella desmarestiae (Kylin) Garbary, G.I.Hansen & Scagel, 1983 accepted as Colaconema desmarestiae (Kylin) P.W.Gabrielson, 2004
74. Species Audouinella dictyotae (F.S.Collins) Woelkerling, 1971 accepted as Colaconema dictyotae (Collins) I.-K.Hwang & H.-S.Kim, 2011 (synonym)
75. Species Audouinella dotyi (I.A.Abbott) Garbary, 1979 accepted as Acrochaetium dotyi I.A.Abbott, 1962 (synonym)
76. Species Audouinella duboscqii (Feldmann) Garbary, 1987 accepted as Acrochaetium duboscqii Feldmann, 1935
77. Species Audouinella dufourii (Collins) Garbary, 1987 accepted as Colaconema hallandicum (Kylin) Afonso-Carillo, Sanson, Sangil & Diaz-Villa, 2007
78. Species Audouinella dumontiae (Rosenvinge) G.R.South & Tittley, 1986 accepted as Acrochaetium dumontiae (Rosenvinge) Hamel, 1927
79. Species Audouinella efflorescens (J.Agardh) Papenfuss, 1945 accepted as Grania efflorescens (J.Agardh) Kylin, 1944 (synonym)
80. Species Audouinella elegans (K.M.Drew) Y.-P.Lee, 1987 accepted as Colaconema elegans (K.M.Drew) I.-K.Hwang & H.-S.Kim, 2011 (synonym)
81. Species Audouinella emergens (Rosenvinge) P.S.Dixon, 1976 accepted as Colaconema emergens (Rosenvinge) R.Nielsen, 1994
82. Species Audouinella endophytica (Batters) P.S.Dixon, 1976 accepted as Kylinia endophytica (Batters) Athanasiadis, 1996
83. Species Audouinella endozoica (Darbishire) P.S.Dixon, 1976 accepted as Acrochaetium endozoicum (Darbishire) Batters, 1902
84. Species Audouinella epispicula (A.B.Joly & Cordeiro) Garbary, 1987 accepted as Acrochaetium epispiculum A.B.Joly & Cordeiro, 1963
85. Species Audouinella erecta (Børgesen) Garbary, 1987 accepted as Acrochaetium erectum Børgesen, 1932
86. Species Audouinella ernothrix (Børgesen) Garbary, 1979 accepted as Acrochaetium ernothrix Børgesen, 1915
87. Species Audouinella erythrophylla (Jao) Garbary, G.I.Hansen & Scagel, 1983 accepted as Acrochaetium desmarestiae Kylin, 1925 accepted as Colaconema desmarestiae (Kylin) P.W.Gabrielson, 2004 (synonym)
88. Species Audouinella extensa (Ercegovic) F.Conde Poyales, 1991 accepted as Acrochaetium extensum Ercegovic, 1957
89. Species Audouinella flexuosa (Vickers) Garbary, 1987 accepted as Acrochaetium flexuosum Vickers, 1905
90. Species Audouinella floridula (Dillwyn) Woelkerling, 1971 accepted as Rhodothamniella floridula (Dillwyn) Feldmann, 1978 (Synonym)
91. Species Audouinella furcata (Tanaka) No authority known accepted as Colaconema furcatum Tanaka, 1944
92. Species Audouinella globosa (Børgesen) Garbary, 1979 accepted as Acrochaetium globosum Børgesen, 1915
93. Species Audouinella gracilis (Børgesen) Jaasund, 1977 accepted as Colaconema gracile (Børgesen) Ateweberhan & Prud'homme van Reine, 2005
94. Species Audouinella gynandra (Rosenvinge) Garbary, 1979 accepted as Colaconema gynandrum (Rosenvinge) R.Nielsen, 1994
95. Species Audouinella hallandica (Kylin) Woelkerling, 1973 accepted as Colaconema hallandicum (Kylin) Afonso-Carillo, Sanson, Sangil & Diaz-Villa, 2007
96. Species Audouinella hauckii (Schiffner) Ballesteros, 1990 accepted as Rhodochorton hauckii (Schiffner) Hamel, 1927 accepted as Acrochaetium hauckii Schiffner, 1916
97. Species Audouinella hirsuta (K.M.Drew) Garbary, G.I.Hansen & Scagel, 1983 accepted as Acrochaetium hirsutum (K.M.Drew) P.W.Gabrielson, 2000
98. Species Audouinella hlulekaensis (Stegenga) Garbary, 1987 accepted as Acrochaetium hlulekaense Stegenga, 1985
99. Species Audouinella hormorhiza (Børgesen) Garbary, 1979 accepted as Acrochaetium hormorhizum Børgesen, 1915
100. Species Audouinella howei (Yamada) Garbary, 1979 accepted as Acrochaetium howei (Yamada) Papenfuss, 1945
101. Species Audouinella hoytii (Collins) C.W.Schneider, 1983 accepted as Acrochaetium hoytii F.S.Collins, 1908
102. Species Audouinella humilis (Rosenvinge) Garbary, 1979 accepted as Acrochaetium humile (Rosenvinge) Børgesen, 1915
103. Species Audouinella humilis (Rosenv.) Garbary accepted as Acrochaetium humile (Rosenvinge) Børgesen, 1915
104. Species Audouinella hyalosiphoniae (Nakamura) Garbary, 1979 accepted as Colaconema hyalosiphoniae (Nakamura) I.-K.Hwang & H.-S.Kim, 2011 (synonym)
105. Species Audouinella hypneae (Børgesen) G.Lawson & D.M.John, 1982 accepted as Colaconema hypneae (Børgesen) A.A.Santos & C.W.N.Moura, 2010 (synonym)
106. Species Audouinella imitator (Abbott) Garbary, 1979 accepted as Acrochaetium imitator I.A.Abbott, 1962
107. Species Audouinella immersa (Rosenvinge) G.R.South & Tittley, 1986 accepted as Acrochaetium immersum (Rosenvinge) Hamel, 1927
108. Species Audouinella inclusa (Levring) G.R.South & Tittley, 1986 accepted as Acrochaetium inclusum (Levring) Papenfuss, 1945
109. Species Audouinella incrassata (Ercegovic) Conde-Poyales, 1991 accepted as Acrochaetium incrassatum Ercegovic, 1957
110. Species Audouinella infestans (M.Howe & Hoyt) P.S.Dixon, 1976 accepted as Colaconema infestans (M.Howe & Hoyt) Woelkerling, 1973 (synonym)
111. Species Audouinella irregularis (Reinsch) G.R.South & Tittley, 1986 accepted as Acrochaetium irregulare (Reinsch) (synonym)
112. Species Audouinella islandica (Rosenvinge) G.R.South & Tittley, 1986 accepted as Rhodochorton purpureum (Lightfoot) Rosenvinge, 1900
113. Species Audouinella iyengarii (Børgesen) Garbary, 1987 accepted as Acrochaetium iyengarii Børgesen, 1933
114. Species Audouinella japonica (Papenfuss) Garbary, 1987 accepted as Acrochaetium japonicum Papenfuss, 1945
115. Species Audouinella jonsonii (Papenfuss) G.R.South & Tittley, 1986 accepted as Acrochaetium alariae (Jónsson) Bornet, 1904
116. Species Audouinella jonssonii (Papenfuss) G.R.South & Tittley, 1986 accepted as Acrochaetium alariae (Jónsson) Bornet, 1904
117. Species Audouinella kuckuckiana (Hamel) G.R.South & Tittley, 1986 accepted as Acrochaetium kuckuckianum Hamel, 1927
118. Species Audouinella kurogii Y.P.Lee & S.C.Lindstrom, 1979 accepted as Acrochaetium kurogii (Y.P.Lee & Lindstrom) Y.P.Lee & I.K.Lee, 1988
119. Species Audouinella kylinioides (Feldmann) Dizerbo, 2007 accepted as Acrochaetium reductum (Rosenvinge) Hamel, 1927 (synonym)
120. Species Audouinella lanuginosa (Dillwyn) G.R.South & Tittley, 1986 accepted as Colaconema daviesii (Dillwyn) Stegenga, 1985
121. Species Audouinella laxa (I.A.Abbott) Garbary, 1979 accepted as Acrochaetium laxum I.A.Abbott, 1962
122. Species Audouinella leptonema (Rosenvinge) Garbary, 1979 accepted as Colaconema leptonema (Rosenvinge) Alongi, Cormaci & G.Furnari, 2017
123. Species Audouinella levringii (Papenfuss) Garbary, 1987 accepted as Acrochaetium levringii Papenfuss, 1947
124. Species Audouinella liagorae (Børgesen) Woelkerling, 1971 accepted as Acrochaetium liagorae Børgesen, 1915
125. Species Audouinella lorrain-smithiae (Lyle) P.S.Dixon, 1976 accepted as Acrochaetium lorrain-smithiae (Lyle) L.Newton, 1931
126. Species Audouinella macounii (F.S.Collins) Garbary, G.I.Hansen & Scagel, 1983 (unaccepted)
127. Species Audouinella macropa (Kylin) Garbary, 1987 (unaccepted)
128. Species Audouinella macropoda (Nägeli) Woelkerling (unaccepted)
129. Species Audouinella macropus (Kylin) Garbary, 1987 (unaccepted)
130. Species Audouinella macula (Rosenvinge) Garbary, 1979 (unaccepted)
131. Species Audouinella magnifica (K.M.Drew) Garbary, 1986 (unaccepted, synonym)
132. Species Audouinella mahumetana (Hamel) Garbary, 1979 (unaccepted, synonym)
133. Species Audouinella maluina (Hamel) G.R.South & Tittley, 1986 (unaccepted)
134. Species Audouinella mauritiana (Børgesen) Garbary, 1987 (unaccepted)
135. Species Audouinella mediterranea (Levring) Ballesteros, 1985 (unaccepted)
136. Species Audouinella membranacea (Magnus) Papenfuss, 1945 (unaccepted, synonym)
137. Species Audouinella microfila (C.-C.Jao) G.R.South & Tittley, 1986 (unaccepted)
138. Species Audouinella microscopica (Nägeli ex Kützing) Woelkerling, 1971 (unaccepted)
139. Species Audouinella minima (Collins) G.R.South, 1984 (unaccepted)
140. Species Audouinella minuta (Suhr) G.R.South & Tittley, 1986 (unaccepted)
141. Species Audouinella minutissima (Zanardini) Garbary, 1979 (unaccepted)
142. Species Audouinella molinieri (Coppejans & Boudouresque) Garbary, 1979 (unaccepted)
143. Species Audouinella moniliformis (Rosenvinge) Garbary, 1979 (unaccepted)
144. Species Audouinella monorhiza (Stegenga) Garbary, 1987 (unaccepted)
145. Species Audouinella multispora (Børgesen) Garbary, 1987 (unaccepted)
146. Species Audouinella nakamurae (Woelkerling) Garbary, 1979 (unaccepted, synonym)
147. Species Audouinella naumannii (Askenasy) J.H.Price, 1986 (unaccepted, synonym)
148. Species Audouinella nemalii (De Notaris ex Dufour) P.S.Dixon, 1976 (unaccepted, synonym)
149. Species Audouinella nemalionis (De Notaris ex L.Dufour) P.S.Dixon, 1976 (unaccepted, synonym)
150. Species Audouinella netrocarpa (Børgesen) Garbary, 1979 (unaccepted)
151. Species Audouinella nitidula (Abbott) Garbary, 1979 (unaccepted)
152. Species Audouinella occidentalis (Børgesen) Garbary, 1979 (unaccepted)
153. Species Audouinella opetigena (Børgesen) Garbary, 1979 (unaccepted)
154. Species Audouinella ophioglossa Schneider, 1983 (unaccepted)
155. Species Audouinella pacifica (Kylin) Garbary, 1979 (unaccepted, synonym)
156. Species Audouinella papenfussii (Abbott) Garbary, 1979 (unaccepted)
157. Species Audouinella parvula (Kylin) P.S.Dixon, 1976 (unaccepted)
158. Species Audouinella pectinata (Kylin) Papenfuss, 1945 (unaccepted)
159. Species Audouinella phacelorhiza (Børgesen) Garbary, 1979 (unaccepted)
160. Species Audouinella plumosa (K.M.Drew) Garbary, 1979 (unaccepted)
161. Species Audouinella polyblasta (Rosenvinge) J.H.Price, Lawson & D.M.John, 1986 (unaccepted)
162. Species Audouinella polyides (Rosenv.) Garbary (unaccepted, spelling mistake)
163. Species Audouinella polyidis (Rosenvinge) Garbary, 1979 (unaccepted)
164. Species Audouinella polyspora (Howe) Garbary, 1979 (unaccepted)
165. Species Audouinella porphyrae (Drew) Garbary, 1979 (unaccepted)
166. Species Audouinella proskaueri (J.A.West) Garbary, 1982 (unaccepted)
167. Species Audouinella pulchella (Børgesen) Garbary, 1979 (unaccepted)
168. Species Audouinella pulverea (Naegeli) G.R.South & Tittley, 1986 (unaccepted)
169. Species Audouinella pulvinata (Levring) Garbary, 1987 (unaccepted)
170. Species Audouinella pulvinatum (Levring) Garbary, 1987 (unaccepted, synonym)
171. Species Audouinella purpurea (Lightfoot) Woelkerling, 1973 (unaccepted)
172. Species Audouinella pusilla Dizerbo, 2007 (unaccepted, synonym)
173. Species Audouinella ralfsii (Børgesen) G.R.South & Tittley, 1986 (unaccepted)
174. Species Audouinella reducta (Rosenvinge) Garbary, 1979 (unaccepted)
175. Species Audouinella repens (Børgesen) Woelkerling, 1971 (unaccepted)
176. Species Audouinella rhipidandra (Rosenvinge) P.S.Dixon, 1976 (unaccepted, synonym)
177. Species Audouinella rhizoidea (K.M.Drew) Garbary, 1979 (unaccepted)
178. Species Audouinella robusta (Børgesen) Garbary, 1979 (unaccepted, synonym)
179. Species Audouinella rongelapensis (I.A.Abbott) Garbary, 1979 (unaccepted)
180. Species Audouinella rosulata (Rosenvinge) P.S.Dixon, 1976 (unaccepted)
181. Species Audouinella ryukyuensis (Nakamura) Garbary, 1979 (unaccepted)
182. Species Audouinella sanctae-mariae (Darbishire) P.S.Dixon, 1976 (unaccepted)
183. Species Audouinella sanctae-thomae (Børgesen) Garbary, 1979 (unaccepted)
184. Species Audouinella sargassi (Børgesen) Garbary, 1979 (unaccepted)
185. Species Audouinella sargassicola (Børgesen) Garbary, 1987 (unaccepted)
186. Species Audouinella saviana (Meneghini) Woelkerling, 1973 (unaccepted)
187. Species Audouinella scapae (Lyle) P.S.Dixon, 1976 (unaccepted)
188. Species Audouinella secundata (Lyngbye) P.S.Dixon, 1976 (unaccepted)
189. Species Audouinella seiriolana (Harvey-Gibson) P.S.Dixon, 1976 (unaccepted)
190. Species Audouinella seriaspora (E.Y.Dawson) Garbary, 1987 (unaccepted)
191. Species Audouinella seriata (Børgesen) Garbary, 1979 (unaccepted, synonym)
192. Species Audouinella sertulariae (Jaasund) G.R.South & Tittley, 1986 (unaccepted)
193. Species Audouinella sessilis (Nakamura) Garbary, 1979 (unaccepted)
194. Species Audouinella simplex (K.M.Drew) Garbary, G.I.Hansen & Scagel, 1983 (unaccepted, synonym)
195. Species Audouinella sparsa (Harvey) P.S.Dixon, 1976 (unaccepted)
196. Species Audouinella spathoglossi (Børgesen) Garbary, 1987 (unaccepted)
197. Species Audouinella spermatochni Dizerbo, 2007 (unaccepted, synonym)
198. Species Audouinella spetsbergensis (Kjellman) Woelkerling, 1973 (unaccepted)
199. Species Audouinella spiculiphila (E.Y.Dawson) Garbary, 1987 (unaccepted)
200. Species Audouinella spongicola (Weber Bosse) Stegenga, 1985 (unaccepted, synonym)
201. Species Audouinella stilophorae (Levring) G.R.South & Tittley, 1986 (unaccepted)
202. Species Audouinella stricta (Rosenvinge) G.R.South & Tittley, 1986 (unaccepted)
203. Species Audouinella subimmersa (Setchell & N.L.Gardner) Garbary & Rueness, 1980 (unaccepted)
204. Species Audouinella subpinnata (Bornet ex Hamel) Garbary, 1979 (unaccepted)
205. Species Audouinella subreducta (Levring) Garbary, 1979 (unaccepted)
206. Species Audouinella subseriata (Børgesen) Garbary, 1987 (unaccepted)
207. Species Audouinella subtilissima (Kützing) Garbary, 1979 (unaccepted)
208. Species Audouinella tenuissima (Collins) Garbary, 1979 (unaccepted)
209. Species Audouinella terminalis (Nakamura) Garbary, 1979 (unaccepted)
210. Species Audouinella tetraspora Garbary & Rueness, 1980 (unaccepted)
211. Species Audouinella thuretii (Bornet) Woelkerling, 1971 (unaccepted, synonym)
212. Species Audouinella trichogloea (Børgesen) Garbary, 1979 (unaccepted)
213. Species Audouinella trichogloeae (Børgesen) Garbary, 1979 (unaccepted)
214. Species Audouinella trifila (Buffham) P.S.Dixon, 1976 (unaccepted)
215. Species Audouinella tuticorinensis (Børgesen) Garbary, 1979 (unaccepted)
216. Species Audouinella unifila (C.-C.Jao) Woelkerling, 1973 (unaccepted)
217. Species Audouinella unilateralis (Kjellman) G.R.South & Tittley, 1986 (unaccepted)
218. Species Audouinella unipes (Børgesen) Garbary, 1979 (unaccepted)
219. Species Audouinella vaga (Drew) Garbary, Hansen & Scagel, 1983 (unaccepted)
220. Species Audouinella velutina (Hauck) G.R.South & Tittley, 1986 (unaccepted)
221. Species Audouinella violacea (Kützing) Hamel, 1925 (unaccepted)
222. Species Audouinella virgatula (Harvey) P.S.Dixon, 1976 (unaccepted)
223. Species Audouinella yamadae Garbary, 1980 (unaccepted)
224. Species Audouinella boryana Abdel-Rahman & Magne, 1984 (uncertain)
225. Species Audouinella deliseae (Levring) Garbary (uncertain)
226. Species Audouinella occulta H.Stegenga, 1985 (uncertain)
227. Species Audouinella siliculosa (Dillwyn) Bory, 1832 (uncertain)
228. Species Audouinella welwitschii (J.Agardh) G.R.South & Tittley ex Athanasiadis, 1996 (uncertain)

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