• Ectoclinium dentatum J.G. Agardh, 1876 accepted as Mychodea australis (Zanardini) Kraft, 1978
• Ectoclinium kowiense Holmes, 1896 accepted as Rhodophyllis reptans (Suhr) Papenfuss, 1956
• Ectoclinium latifrons J.G. Agardh, 1885 accepted as Mychodea australis (Zanardini) Kraft, 1978
• Mychodea acanthymenia Kraft, 1978
• Mychodea aciculare (J.G. Agardh) Kraft, 1978
• Mychodea australis (Zanardini) Kraft, 1978
• Mychodea carnosa J.D. Hooker & Harvey, 1847
• Mychodea chamaedoris Børgesen, 1943
• Mychodea chondroides Kützing, 1867 accepted as Mychodea disticha Harvey, 1859
• Mychodea compressa Harvey, 1862
• Mychodea disticha Harvey, 1859
• Mychodea episcopalis J.G. Agardh, 1885
• Mychodea fastigiata (Harvey) J.G. Agardh, 1872 accepted as Mychodea pusilla (Harvey) J.G. Agardh, 1872
• Mychodea fastigiata Zanardini, 1874
• Mychodea filiformis (Kützing) Kützing, 1867 accepted as Solieria filiformis (Kützing) P.W. Gabrielson, 1985
• Mychodea foliosa (Harvey) J.G. Agardh, 1872 accepted as Mychodea marginifera (Areschoug) Kraft, 1978
• Mychodea gracilaria (Sonder) Kraft, 1978
• Mychodea gracilaria (Sonder) Sonder, 1880
• Mychodea guadelupensis P.L. Crouan & H.M. Crouan, 1865 accepted as Meristiella gelidium (J.G. Agardh) D.P. Cheney & P.W. Gabrielson, 1987
• Mychodea halymenioides Zanardini, 1874
• Mychodea hamata Harvey, 1860
• Mychodea linearis J.G. Agardh, 1899 accepted as Mychodea hamata Harvey, 1860
• Mychodea longipes (Kützing) J.G. Agardh, 1897 accepted as Mychodea carnosa J.D. Hooker & Harvey, 1847
• Mychodea mallardiae Kützing, 1866 accepted as Mychodea carnosa J.D. Hooker & Harvey, 1847
• Mychodea marginifera (Areschoug) Kraft, 1978
• Mychodea membranacea J.D. Hooker & Harvey, 1847 accepted as Mychodea carnosa J.D. Hooker & Harvey, 1847
• Mychodea muelleri Sonder, 1853 accepted as Mychodea aciculare (J.G. Agardh) Kraft, 1978
• Mychodea nigrescens Harvey ex J.G. Agardh, 1872 accepted as Mychodea disticha Harvey, 1859
• Mychodea obtusangula (Harvey) J.G. Agardh, 1897 accepted as Mychodea hamata Harvey, 1860
• Mychodea pennata P.L. Crouan & H.M. Crouan, 1878 accepted as Meristiella gelidium (J.G. Agardh) D.P. Cheney & P.W. Gabrielson, 1987
• Mychodea polyacantha P.L. Crouan & H.M. Crouan, 1878 accepted as Meristiella gelidium (J.G. Agardh) D.P. Cheney & P.W. Gabrielson, 1987
• Mychodea pusilla (Harvey) J.G. Agardh, 1872
• Mychodea ramulosa J.G. Agardh, 1897
• Mychodea schrammii P.L. Crouan & H.M. Crouan, 1865
• Mychodea spinulifera J.G. Agardh, 1897
• Mychodea subulata (C. Agardh) Yendo, 1911 accepted as Agardhiella subulata (C. Agardh) Kraft & M.J. Wynne, 1979
• Mychodea terminalis Harvey, 1860 accepted as Mychodea carnosa J.D. Hooker & Harvey, 1847
• Neurophyllis australis Zanardini, 1874 accepted as Mychodea australis (Zanardini) Kraft, 1978