1. Species Kylinia endophytica (Batters) Athanasiadis, 1996
2. Species Kylinia rosulata Rosenvinge, 1909
3. Species Kylinia affinis (M.A.Howe & Hoyt) Kylin, 1944 accepted as Acrochaetium affine M.A.Howe & Hoyt, 1916
4. Species Kylinia alariae (Jónsson) Kylin, 1944 accepted as Acrochaetium alariae (Jónsson) Bornet, 1904
5. Species Kylinia arcuata (Drew) Kylin, 1944 accepted as Acrochaetium arcuatum (K.M.Drew) C.K.Tseng, 1945
6. Species Kylinia australis Levring, 1953 accepted as Acrochaetium unifilum C.-C.Jao, 1936
7. Species Kylinia baltica (Rosenvinge) Papenfuss, 1947 accepted as Acrochaetium balticum (Rosenvinge) Aleem & Schulz, 1952
8. Species Kylinia battersiana (Hamel) Kylin, 1944 accepted as Acrochaetium battersianum Hamel, 1927
9. Species Kylinia boergesenii (Schiffner) Papenfuss, 1947 accepted as Acrochaetium boergesenii Schiffner, 1931
10. Species Kylinia catenulata (M.Howe) Kylin, 1944 accepted as Acrochaetium catenulatum M.Howe, 1914
11. Species Kylinia collopoda (Rosenvinge) Kylin, 1944 accepted as Acrochaetium collopodum (Rosenvinge) Hamel, 1927
12. Species Kylinia compacta (C.-C.Jao) Papenfuss, 1947 accepted as Acrochaetium compactum C.-C.Jao, 1936 accepted as Acrochaetium microscopicum (Nägeli ex Kützing) Nägeli, 1858
13. Species Kylinia crassipes (Børgesen) Kylin, 1944 accepted as Acrochaetium crassipes (Børgesen) Børgesen, 1915
14. Species Kylinia curta (Baardseth) Papenfuss, 1947 accepted as Audouinella curta (Baardseth) Garbary, 1987
15. Species Kylinia cytophaga (Rosenvinge) Papenfuss, 1947 accepted as Acrochaetium cytophagum (Rosenvinge) Hamel, 1927
16. Species Kylinia duboscqii (Feldmann) Papenfuss, 1947 accepted as Acrochaetium duboscqii Feldmann, 1935
17. Species Kylinia dufourii (Børgesen) Kylin, 1944 accepted as Colaconema hallandicum (Kylin) Afonso-Carillo, Sanson, Sangil & Diaz-Villa, 2007
18. Species Kylinia dumontiae (Rosenvinge) Papenfuss, 1947 accepted as Acrochaetium dumontiae (Rosenvinge) Hamel, 1927
19. Species Kylinia dwarkensis (Børgesen) Desikachary, M.Balakrishnan & V.Krishnamurthy, 1990 accepted as Acrochaetium dwarkense Børgesen, 1932
20. Species Kylinia erecta (Børgesen) Desikachary, M.Balakrishnan & V.Krishnamurthy, 1990 accepted as Acrochaetium erectum Børgesen, 1932
21. Species Kylinia floridula (Dillwyn) Papenfuss, 1947 accepted as Rhodothamniella floridula (Dillwyn) Feldmann, 1978
22. Species Kylinia gynandra (Rosenvinge) Kylin, 1944 accepted as Colaconema gynandrum (Rosenvinge) R.Nielsen, 1994
23. Species Kylinia hallandica (Kylin) Kylin, 1944 accepted as Colaconema hallandicum (Kylin) Afonso-Carillo, Sanson, Sangil & Diaz-Villa, 2007
24. Species Kylinia hirsuta (K.M.Drew) Kylin, 1944 accepted as Acrochaetium microscopicum (Nägeli ex Kützing) Nägeli, 1858
25. Species Kylinia hoytii (Collins) Kylin, 1944 accepted as Audouinella hoytii (Collins) C.W.Schneider, 1983 accepted as Acrochaetium hoytii F.S.Collins, 1908
26. Species Kylinia humile (Rosenvinge) Papenfuss, 1947 accepted as Audouinella humilis (Rosenvinge) Garbary, 1979 accepted as Acrochaetium humile (Rosenvinge) Børgesen, 1915
27. Species Kylinia humilis (Rosenvinge) Papenfuss, 1947 accepted as Acrochaetium humile (Rosenvinge) Børgesen, 1915
28. Species Kylinia immersa (Rosenvinge) Papenfuss, 1947 accepted as Acrochaetium immersum (Rosenvinge) Hamel, 1927
29. Species Kylinia implicata (Drew) Papenfuss, 1945 accepted as Audouinella vaga var. implicata (Drew) Garbary, Hansen & Scagel, 1982
30. Species Kylinia infestans (M.A.Howe & Hoyt) Papenfuss, 1947 accepted as Colaconema infestans (M.Howe & Hoyt) Woelkerling, 1973 (synonym)
31. Species Kylinia kylinioides (Feldmann) Pankow, 1971 accepted as Acrochaetium reductum (Rosenvinge) Hamel, 1927
32. Species Kylinia kylinoides (Feldmann) Pankow, 1971 accepted as Acrochaetium reductum (Rosenvinge) Hamel, 1927
33. Species Kylinia liagorae (Børgesen) Papenfuss, 1947 accepted as Polysiphonia foetidissima Cocks ex Bornet, 1892 accepted as Vertebrata foetidissima (Cocks ex Bornet) Díaz-Tapia & Maggs, 2017
34. Species Kylinia liagoroides (Børgesen) Papenfuss, 1947 accepted as Acrochaetium liagoroides Børgesen, 1937
35. Species Kylinia macropus (Kylin) Kylin, 1944 accepted as Acrochaetium macropus Kylin, 1919
36. Species Kylinia macula (Rosenvinge) Papenfuss, 1947 accepted as Acrochaetium macula (Rosenvinge) Hamel, 1927
37. Species Kylinia maluina (Hamel) Kylin, 1944 accepted as Acrochaetium maluinum Hamel, 1927
38. Species Kylinia mediterranea (Levring) Papenfuss, 1947 accepted as Audouinella mediterranea (Levring) Ballesteros, 1985 accepted as Acrochaetium mediterraneum (Levring) Athanasiadis, 2003
39. Species Kylinia microscopica (Nägeli ex Kützing) Kylin, 1944 accepted as Acrochaetium microscopicum (Nägeli ex Kützing) Nägeli, 1858
40. Species Kylinia moniliformis (Rosenvinge) Kylin, 1944 accepted as Acrochaetium moniliforme (Rosenvinge) Børgesen, 1915
41. Species Kylinia parvula (Kylin) Kylin, 1944 accepted as Acrochaetium parvulum (Kylin) Hoyt, 1920
42. Species Kylinia polyblasta (Rosenvinge) Papenfuss, 1947 accepted as Acrochaetium hallandicum (Kylin) Hamel, 1927 accepted as Colaconema hallandicum (Kylin) Afonso-Carillo, Sanson, Sangil & Diaz-Villa, 2007
43. Species Kylinia porphyrae (Drew) Papenfuss, 1947 accepted as Rhododrewia porphyrae (K.M.Drew) S.L.Clayden & G.W.Saunders, 2014
44. Species Kylinia pulchella (Børgesen) Papenfuss, 1947 accepted as Acrochaetium pulchellum Børgesen, 1915
45. Species Kylinia rhipidandra (Rosenvinge) Kylin, 1944 accepted as Acrochaetium secundatum (Lyngbye) Nägeli, 1858 (synonym)
46. Species Kylinia robusta (Børgesen) Desikachary, M.Balakrishnan & V.Krishnamurthy, 1990 accepted as Acrochaetium robustum Børgesen, 1915 accepted as Colaconema robustum (Børgesen) Huisman & Woelkerling, 2018
47. Species Kylinia sargassi (Børgesen) Kylin, 1944 accepted as Colaconema hallandicum (Kylin) Afonso-Carillo, Sanson, Sangil & Diaz-Villa, 2007
48. Species Kylinia sargassicola (Børgesen) Untawale, Dhargalkar & Agadi, 1983 accepted as Acrochaetium robustum Børgesen, 1915 accepted as Colaconema robustum (Børgesen) Huisman & Woelkerling, 2018
49. Species Kylinia scapae Lyle, 1929 accepted as Acrochaetium scapae (Lyle) Papenfuss, 1945
50. Species Kylinia secundata (Lyngbye) Papenfuss, 1947 accepted as Acrochaetium secundatum (Lyngbye) Nägeli, 1858
51. Species Kylinia seriaspora E.Y.Dawson, 1953 accepted as Acrochaetium seriasporum (E.Y.Dawson) J.N.Norris, 2014
52. Species Kylinia sessilis (Nakamura) Papenfuss, 1947 accepted as Acrochaetium sessile (Nakamura) Y.-P.Lee, 1993
53. Species Kylinia simplex (K.M.Drew) Kylin, 1944 accepted as Colaconema garbaryi P.W.Gabrielson, 2004
54. Species Kylinia spathoglossi (Børgesen) Aleem, 1950 accepted as Acrochaetium spathoglossi Børgesen, 1937
55. Species Kylinia stilophorae (Levring) Papenfuss, 1947 accepted as Acrochaetium stilophorae (Levring) Kylin, 1944
56. Species Kylinia subpinnata (Bornet ex Hamel) Kylin, 1944 accepted as Acrochaetium subpinnatum Bornet ex Hamel, 1927
57. Species Kylinia terminalis (Nakamura) Noda & Yokayama, 1971 accepted as Acrochaetium terminale (Nakamura) Y.-P.Lee, 1987
58. Species Kylinia trifila (Buffham) Kylin, 1944 accepted as Acrochaetium trifilum (Buffham) Batters, 1902
59. Species Kylinia unifila (C.C.Jao) Papenfuss, 1947 accepted as Acrochaetium unifilum C.-C.Jao, 1936
60. Species Kylinia unilateralis (Kjellman) Kylin, 1944 accepted as Acrochaetium alariae (Jónsson) Bornet, 1904
61. Species Kylinia unipes (Børgesen) Desikachary, M.Balakrishnan & V.Krishnamurthy, 1990 accepted as Acrochaetium unipes Børgesen, 1915
62. Species Kylinia virgatula (Harvey) Papenfuss, 1947 accepted as Acrochaetium secundatum (Lyngbye) Nägeli, 1858

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