1. Species Eucheuma amakusaense Okamura, 1902
2. Species Eucheuma arnoldii Weber Bosse, 1928
3. Species Eucheuma cartilagineum No authority known
4. Species Eucheuma cervicorne Weber Bosse, 1928
5. Species Eucheuma chondriforme J.Agardh, 1885
6. Species Eucheuma condriforme J.Agardh
7. Species Eucheuma crassum Zanardini, 1878
8. Species Eucheuma crustiforme Weber-van Bosse, 1928
9. Species Eucheuma deformans P.W.Gabrielson & Kraft
10. Species Eucheuma denticulatum (N.L.Burman) Collins & Hervey, 1917
11. Species Eucheuma edule (Kützing) Weber Bosse, 1926
12. Species Eucheuma horizontale Weber-van Bosse, 1928
13. Species Eucheuma horridum J.Agardh, 1852
14. Species Eucheuma johnstonii Setchell & Gardner, 1924
15. Species Eucheuma jugatum J.Agardh, 1892
16. Species Eucheuma kraftianum Doty, 1988
17. Species Eucheuma leeuwenii Weber-van Bosse, 1928
18. Species Eucheuma nodulosum Areschoug, 1854
19. Species Eucheuma nudum J.Agardh, 1852
20. Species Eucheuma odontophorum Børgesen, 1943
21. Species Eucheuma perplexum Doty, 1988
22. Species Eucheuma platycladum F.Schmitz, 1895
23. Species Eucheuma serra (J.Agardh) J.Agardh, 1847
24. Species Eucheuma sonderi Harvey
25. Species Eucheuma xishaensis Kuang Mei & Xia, 1999
26. Species Eucheuma acanthocladum (Harvey) J.Agardh, 1876 accepted as Meristotheca gelidium (J.Agardh) E.J.Faye & M.Masuda, 2004
27. Species Eucheuma alvarezii Doty, 1985 accepted as Kappaphycus alvarezii (Doty) Doty ex P.C.Silva, 1996
28. Species Eucheuma cottonii Weber-van Bosse, 1913 accepted as Kappaphycus alvarezii (Doty) Doty ex P.C.Silva, 1996 (synonym)
29. Species Eucheuma cupressoideum Weber Bosse, 1928 accepted as Eucheuma arnoldii Weber Bosse, 1928
30. Species Eucheuma echinocarpum J.E.Areschoug, 1854 accepted as Meristotheca gelidium (J.Agardh) E.J.Faye & M.Masuda, 2004
31. Species Eucheuma gelatinae (Esper) J.Agardh, 1847 accepted as Betaphycus gelatinus (Esper) Doty ex P.C.Silva, 1996 (synonym)
32. Species Eucheuma gelidium (J.Agardh) J.Agardh, 1847 accepted as Meristotheca gelidium (J.Agardh) E.J.Faye & M.Masuda, 2004
33. Species Eucheuma inerme F.Schmitz, 1895 accepted as Kappaphycus inermis (F.Schmitz) Doty ex H.D.Nguyen & Q.N.Huynh, 1995
34. Species Eucheuma isiforme (C.Agardh) J.Agardh, 1847 accepted as Eucheumatopsis isiformis (C.Agardh) Núñez-Resendiz, Dreckmann & Sentíes, 2019
35. Species Eucheuma muricatum (S.G.Gmelin) Weber-van Bosse, 1928 accepted as Eucheuma denticulatum (N.L.Burman) Collins & Hervey, 1917 (synonym)
36. Species Eucheuma okamurae Yamada, 1936 accepted as Kappaphycus cottonii (Weber Bosse) Doty ex P.C.Silva, 1996
37. Species Eucheuma papulosum (Montagne) Cotton & Yendo, 1914 accepted as Meristotheca papulosa (Montagne) J.Agardh, 1872
38. Species Eucheuma procrusteanum Kraft, 1970 accepted as Kappaphycus procrusteanus (Kraft) Doty, 1988
39. Species Eucheuma schramii (P.L.Crouan & H.M.Crouan) J.Agardh, 1892 accepted as Meristotheca gelidium (J.Agardh) E.J.Faye & M.Masuda, 2004 (synonym)
40. Species Eucheuma speciosum (Sonder) J.Agardh, 1852 accepted as Betaphycus speciosus (Sonder) Doty ex P.C.Silva, 1996 (synonym)
41. Species Eucheuma spinosum J.Agardh, 1847 accepted as Eucheuma denticulatum (N.L.Burman) Collins & Hervey, 1917 (synonym)
42. Species Eucheuma striatum F.Schmitz, 1895 accepted as Kappaphycus striatus (F.Schmitz) Doty ex P.C.Silva, 1996 (synonym)
43. Species Eucheuma uncinatum Setchell & Gardner, 1924 accepted as Tacanoosca uncinata (Setchell & N.L.Gardner) J.N.Norris, P.W.Gabrielson & D.P.Cheney, 2014

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