[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Echinodermata Bruguière, 1789 - echinoderms
     Class Ophiuroidea Gray, 1840 - brittle stars and basket stars
       Order Laemophiurina (Matsumoto, 1915)
         Family Ophiacanthidae Ljungman, 1867
           01 Genus Ophiacantha Müller & Troschel, 1842
           02 Genus Ophiambix Lyman, 1880
           03 Genus Ophiochondrus Lyman, 1869
           04 Genus Ophiocomina Koehler, 1920
           05 Genus Ophiolebes Lyman, 1878
           06 Genus Ophiomitra Lyman, 1869
           07 Genus Ophiopsila Forbes, 1843
           08 Genus Ophiocamax Lyman, 1878
           09 Genus Ophiomitrella Verrill, 1899
           10 Genus Ophioplinthaca Verrill, 1900[1899]
           11 Genus Ophiothamnus Lyman, 1869
           12 Genus Ophiolimna Verrill, 1899
           13 Genus Ophiomedea Koehler, 1906
           14 Genus Ophioprium Clark, 1915
           15 Genus Ophiotoma Lyman, 1883
           16 Genus Ophiotrema Koehler, 1896
           17 Genus Ophiomyces Lyman, 1869