Ophiotrichidae Ljungman, 1867
Ophiothrix accedens Koehler, 1930
Ophiothrix ailsae Tommasi, 1970
Ophiothrix amphibola H.L. Clark, 1939
Ophiothrix angulata (Say, 1825)
Ophiothrix aristulata Lyman, 1879
Ophiothrix armata Koehler, 1905
Ophiothrix beata Koehler, 1907
Ophiothrix berberis Lyman, 1879
Ophiothrix bongaertsi
Ophiothrix brachyactis H.L. Clark, 1915
Ophiothrix caespitosa Lyman, 1879
Ophiothrix ciliaris (Lamarck, 1816)
Ophiothrix cimar Hendler, 2005
Ophiothrix comata Müller & Troschel, 1842
Ophiothrix congensis Koehler, 1911
Ophiothrix consecrata Koehler, 1930
Ophiothrix contenta Koehler, 1930
Ophiothrix convoluta Koehler, 1914
Ophiothrix cotteaui (de Loriol, 1900)
Ophiothrix crassispina Koehler, 1904
Ophiothrix cristata
Ophiothrix deceptor Koehler, 1922
Ophiothrix dedita Koehler, 1930
Ophiothrix deposita Koehler, 1904
Ophiothrix diligens Koehler, 1898
Ophiothrix dirrhabdota H.L. Clark, 1918
Ophiothrix dyscrita Clark, 1915
Ophiothrix echinotecta Balinsky, 1957
Ophiothrix elegans Lütken, 1869
Ophiothrix eurycolpodes H.L. Clark, 1918
Ophiothrix exhibita Koehler, 1905
Ophiothrix exigua Lyman, 1874
Ophiothrix foveolata Marktanner-Turneretscher, 1887
Ophiothrix fragilis (Abildgaard, in O.F. Müller, 1789)
Ophiothrix fumaria Müller & Troschel, 1840
Ophiothrix galapagensis Lütken & Mortensen, 1899
Ophiothrix hartforti A.H. Clark, 1939
Ophiothrix infirma Koehler, 1905
Ophiothrix innocens Koehler, 1898
Ophiothrix koreana Duncan, 1879
Ophiothrix lepidus de Loriol, 1893
Ophiothrix leucospida Koehler, 1930
Ophiothrix leucotrigonia H.L. Clark, 1918
Ophiothrix lineata Lyman, 1860
Ophiothrix liodisca H.L. Clark, 1915
Ophiothrix luetkeni Wyville Thomson, 1873
Ophiothrix maculata Ljungman, 1872
Ophiothrix magnifica Lyman, 1860
Ophiothrix marenzelleri Koehler, 1904
Ophiothrix marginata Koehler, 1905
Ophiothrix merguiensis Duncan, 1887
Ophiothrix miles Koehler, 1905
Ophiothrix nociva Koehler, 1907
Ophiothrix oerstedii Lütken, 1856
Ophiothrix oliveri Benham, 1910
Ophiothrix orstedii Lütken, 1856
Ophiothrix pallida Ljungman, 1872
Ophiothrix panchyendyta Clark, 1911
Ophiothrix parasita Müller & Troschel, 1844
Ophiothrix pavida Koehler, 1922
Ophiothrix petersi Studer, 1882
Ophiothrix picteti de Loriol, 1893
Ophiothrix plana Lyman, 1874
Ophiothrix planulatus Stimpson, 1855
Ophiothrix platyactis H.L. Clark, 1939
Ophiothrix prostrata Koehler, 1922
Ophiothrix proteus Koehler, 1905
Ophiothrix pulcherrima (Djakonov)
Ophiothrix purpurea von Martens, 1867
Ophiothrix pusilla Lyman, 1874
Ophiothrix quinquemaculata (Delle Chiaje, 1828)
Ophiothrix rathbuni Ludwig, 1882
Ophiothrix roseocoerulans Grube, 1868
Ophiothrix rotata von Martens, 1870
Ophiothrix royeri
Ophiothrix rudis Lyman, 1874
Ophiothrix savignyi (Müller & Troschel, 1842)
Ophiothrix scorpio (Müller & Troschel, 1842)
Ophiothrix scotiosa Murakami, 1943
Ophiothrix signata Koehler, 1922
Ophiothrix simplex Koehler, 1905
Ophiothrix spiculata Le Conte, 1851
Ophiothrix spinosissima Koehler, 1905
Ophiothrix stri Hendler, 2005
Ophiothrix suensoni Lütken, 1856
Ophiothrix synoecina Schoppe, 1996
Ophiothrix tenuis Koehler, 1905
Ophiothrix tradita Koehler, 1930
Ophiothrix tricuspida Cherbonnier & Guille, 1978
Ophiothrix trilineata Lütken, 1869
Ophiothrix trindadensis Tommasi, 1970
Ophiothrix variegata Duncan, 1887
Ophiothrix versatilis Koehler, 1930
Ophiothrix vetusta Koehler, 1930
Ophiothrix vexator Koehler, 1930
Ophiothrix viator Koehler, 1904
Ophiothrix vigelandi A.M. Clark, 1968
Ophiothrix vincina (Koehler)
Ophiothrix viridialba von Martens, 1867
Ophiothrix vitrea Döderlein, 1896