Ophiomusium aporum H.L. Clark, 1928 accepted as Ophiomusium australe H.L. Clark, 1928 accepted as Ophiomusa australe (H.L. Clark, 1928) (status source)
Ophiomusium armatum Koehler, 1922 accepted as Ophiosphalma armatum (Koehler, 1922) (status source)
Ophiomusium binghami Boone, 1928 accepted as Ophiomusa binghami (Boone, 1928) (basis of record)
Ophiomusium corticosum Lyman, 1878 accepted as Ophiosphalma corticosum (Lyman, 1878) (status source)
Ophiomusium diomedeae Lütken & Mortensen, 1899 accepted as Ophiosphalma diomedeae (Lütken & Mortensen, 1899) (status source)
Ophiomusium elii A.H. Clark, 1949 accepted as Ophiosphalma elii (A.H. Clark, 1949) (source of synonymy)
Ophiomusium facundum mutum Hertz, 1927 accepted as Ophiomusium mutum (Hertz, 1927) accepted as Ophiomusa muta (Hertz, 1927) (status source)
Ophiomusium familiare Koehler, 1897 accepted as Ophiosphalma familiare (Koehler, 1897) (source of synonymy)
Ophiomusium fimbriatum atlanticum Hertz, 1927 accepted as Ophiosphalma atlanticum (Hertz, 1927) (status source)
Ophiomusium glabrum Lütken & Mortensen, 1899 accepted as Ophiosphalma glabrum (Lütken & Mortensen, 1899) (source of synonymy)
Ophiomusium impotens Koehler, 1922 accepted as Ophiosphalma impotens (Koehler, 1922) (source of synonymy)
Ophiomusium laqueatum Lyman, 1878 accepted as Ophiosphalma laqueatum (Lyman, 1878) (new combination reference)
Ophiomusium mutum (Hertz, 1927) accepted as Ophiomusa muta (Hertz, 1927) (status source)
Ophiomusium regulare A.H. Clark, 1936 accepted as Ophiosphalma regulare (A.H. Clark, 1936) (source of synonymy)
Ophiomusium sculptum Verrill, 1899 accepted as Ophiomusium acuferum Lyman, 1875 accepted as Ophiomusa acufera (Lyman, 1875) (new combination reference)
Ophiomusium serratum Lyman, 1878 accepted as Ophiosphalma serratum (Lyman, 1878) (taxonomy source)
Ophiomusium spinigerum Mortensen, 1933 accepted as Ophiosphalma spinigerum (Mortensen, 1933) (source of synonymy)
Ophiomusium spinulosum Koehler, 1922 accepted as Ophiosphalma spinulosum (Koehler, 1922) (source of synonymy)
Ophiomusium valdiviae Hertz, 1927 accepted as Ophiomusa valdiviae (Hertz, 1927) (taxonomy source)
Ophiomusium variabile Lütken & Mortensen, 1899 accepted as Ophiosphalma variabile (Lütken & Mortensen, 1899) (source of synonymy)
Ophiosphalma archaster (Wyville Thomson in Lyman, 1878) (status source)
Ophiosphalma atlanticum (Hertz, 1927) (new combination reference)
Ophiosphalma corticosum (Lyman, 1878) (source of synonymy)
Ophiosphalma diomedeae (Lütken & Mortensen, 1899) (new combination reference)
Ophiosphalma elii (A.H. Clark, 1949) (new combination reference)
Ophiosphalma familiare (Koehler, 1897) (new combination reference)
Ophiosphalma fimbriatum (Koehler, 1922) accepted as Ophiosphalma glabrum (Lütken & Mortensen, 1899) (source of synonymy)
Ophiosphalma glabrum (Lütken & Mortensen, 1899) (source of synonymy)
Ophiosphalma impotens (Koehler, 1922) (new combination reference)
Ophiosphalma laqueatum (Lyman, 1878) (basis of record)
Ophiosphalma regulare (A.H. Clark, 1936) (new combination reference)
Ophiosphalma serratum (Lyman, 1878) (status source)
Ophiosphalma spinigerum (Mortensen, 1933) (new combination reference)
Ophiosphalma spinulosum (Koehler, 1922) (new combination reference)
Ophiosphalma variabile (Lütken & Mortensen, 1899) (source of synonymy)

 Taxonomy

 for Ophiomusa valdiviae (Hertz, 1927)

Considered to belong in Ophiosphalma by Baker (2016) but without data. [details]

 Taxonomy

 for Ophiomusium serratum Lyman, 1878

Baker (2016) suggested that O. serratum should be transferred to Ophiosphalma but without examination of the type ... [details]

 Taxonomy

 for Ophiomusium valdiviae Hertz, 1927

Bakr (2016) suggested that O. valdidivae belongsin Ophisophalma but without comments or examination of the type. [details]