Amphiacantha transacta Koehler, 1930 accepted as Dougaloplus transacta (Koehler, 1930) accepted as Amphilimna transacta (Koehler, 1930) (original description)
Amphichilus cesareus (Koehler, 1905) accepted as Amphioplus (Amphichilus) impressus (Ljungman, 1867) (new combination reference)
Amphiophiura pertusa Koehler, 1930 (original description)
Amphiophiura turgida Koehler, 1930 (original description)
Amphioplus potens Koehler, 1930 represented as Amphioplus (Lymanella) potens Koehler, 1930 (original description)
Amphioplus signalis Koehler, 1930 (original description)
Amphipholis procidens Koehler, 1930 (original description)
Amphiura rapida Koehler, 1930 accepted as Amphiura (Amphiura) poecila H.L. Clark, 1915 (original description)
Amphiura sexradiata Koehler, 1930 accepted as Amphiura (Amphiura) velox Koehler, 1910 (original description)
Asteromorpha perplexum (Koehler, 1930) accepted as Asteromorpha koehleri (Döderlein, 1898) (original description)
Astroboa tuberculosa Koehler, 1930 (original description)
Astroceras mammosum Koehler, 1930 (original description)
Astroceras nodosum Koehler, 1930 (original description)
Astroceras verrucosum Koehler, 1930 accepted as Astroceras compar Koehler, 1904 (original description)
Astroconus annulatus Koehler, 1930 accepted as Conocladus australis (Verrill, 1876) (original description)
Astrothamnus furtivus Koehler, 1930 accepted as Astrothorax waitei (Benham, 1909) (original description)
Astrothamnus parens Koehler, 1930 accepted as Astrocrius parens (Koehler, 1930) (original description)
Astrothorax liberator Koehler, 1930 (original description)
Cryptopelta aster var. longibrachialis Koehler, 1930 accepted as Cryptopelta longibrachialis Koehler, 1930 (original description)
Ophiacantha hospes Koehler, 1930 (original description)
Ophiacantha truncata Koehler, 1930 accepted as Ophiacantha rosea Lyman, 1878 accepted as Ophiosabine rosea (Lyman, 1878) (original description)
Ophiobyrsa compensata Koehler, 1930 (original description)
Ophiochalcis Koehler, 1930 (original description)
Ophiochalcis aspera Koehler, 1930 accepted as Ophiochalcis scabra (Koehler, 1905) (original description)
Ophiocoma punctata Koehler, 1930 accepted as Clarkcoma pulchra (H.L. Clark, 1928) (original description)
Ophiocreas mortenseni Koehler, 1930 (original description)
Ophiocypris Koehler, 1930 (original description)
Ophiocypris tuberculosus Koehler, 1930 (original description)
Ophiodaphne Koehler, 1930 (original description)
Ophiodaphne materna Koehler, 1930 accepted as Ophiodaphne formata (Koehler, 1905) (original description)
Ophiodelos Koehler, 1930 (original description)
Ophiodelos insignis Koehler, 1930 (original description)
Ophiogelas Koehler, 1930 accepted as Asteromorpha Lütken, 1869 (original description)
Ophiogelas perplexum Koehler, 1930 accepted as Asteromorpha koehleri (Döderlein, 1898) (original description)
Ophiolophus complanatus Koehler, 1930 accepted as Gymnolophus obscura (Ljungman, 1867) (original description)
Ophiomaza caligata Koehler, 1930 (original description)
Ophiomitrella fidelis Koehler, 1930 accepted as Ophiacantha fidelis (Koehler, 1930) (original description)
Ophiomitrella funebris Koehler, 1930 accepted as Ophiacantha funebris (Koehler, 1930) (original description)
Ophiomitrella lineata Koehler, 1930 accepted as Ophiomitra leucorhabdota (H.L. Clark, 1911) (original description)
Ophiomitrella nominata Koehler, 1930 accepted as Ophiocamax nominata (Koehler, 1930) (original description)
Ophiomusium asperum Koehler, 1930 accepted as Ophiomusa aspera (Koehler, 1930) (original description)
Ophiomusium incertum Koehler, 1930 accepted as Ophiomusa incerta (Koehler, 1930) (original description)
Ophiomusium longispinum Koehler, 1930 accepted as Ophiomusa longispina (Koehler, 1930) (original description)
Ophiomusium mirandum Koehler, 1930 accepted as Ophiomusa miranda (Koehler, 1930) (original description)
Ophiophragmus duplicatus Koehler, 1930 accepted as Amphiodia (Amphispina) duplicata (Koehler, 1930) (original description)
Ophiophthalmus honestus Koehler, 1930 accepted as Ophiomitra leucorhabdota (H.L. Clark, 1911) (original description)
Ophioplinthaca defensor Koehler, 1930 (original description)
Ophioplinthaca laudator Koehler, 1930 (original description)
Ophioplinthaca monitor Koehler, 1930 (original description)
Ophioplinthaca victor Koehler, 1930 accepted as Ophioplinthaca monitor Koehler, 1930 (original description)
Ophiopsila brevisquama Koehler, 1930 (original description)
Ophiopsila dilatata Koehler, 1930 (original description)
Ophiopsila glabra Koehler, 1930 (original description)
Ophiopsila multispina Koehler, 1930 (original description)
Ophiopsila picturata Koehler, 1930 (original description)
Ophiopsila timida Koehler, 1930 (original description)
Ophiothrix (Ophiothrix) consecrata Koehler, 1930 (original description)
Ophiothrix (Ophiothrix) megaloplax Koehler, 1930 accepted as Ophiothrix (Ophiothrix) aristulata Lyman, 1879 (original description)
Ophiothrix abstinens Koehler, 1930 accepted as Ophiothrix (Ophiothrix) panchyendyta Clark, 1911 (original description)
Ophiothrix abstineus Koehler, 1930 accepted as Ophiothrix (Ophiothrix) panchyendyta Clark, 1911 (original description)
Ophiothrix accedens Koehler, 1930 represented as Ophiothrix (Ophiothrix) accedens Koehler, 1930 (original description)
Ophiothrix consecrata Koehler, 1930 represented as Ophiothrix (Ophiothrix) consecrata Koehler, 1930 (original description)
Ophiothrix contenta Koehler, 1930 represented as Ophiothrix (Ophiothrix) contenta Koehler, 1930 (original description)
Ophiothrix dedita Koehler, 1930 (original description)
Ophiothrix leucospida Koehler, 1930 represented as Ophiothrix (Ophiothrix) leucospida Koehler, 1930 (original description)
Ophiothrix tradita Koehler, 1930 represented as Ophiothrix (Ophiothrix) tradita Koehler, 1930 (original description)
Ophiothrix versatilis Koehler, 1930 represented as Ophiothrix (Acanthophiothrix) versatilis Koehler, 1930 (original description)
Ophiothrix vetusta Koehler, 1930 represented as Ophiothrix (Acanthophiothrix) vetusta Koehler, 1930 (original description)
Ophiothrix vexator Koehler, 1930 represented as Ophiothrix (Acanthophiothrix) vexator Koehler, 1930 (original description)
Ophiothrix vicina Koehler, 1930 accepted as Macrophiothrix vicina (Koehler, 1930) (original description)
Ophiothrix vindex Koehler, 1930 accepted as Macrophiothrix martensi (Lyman, 1874) (original description)
Ophiotreta nefasta Koehler, 1930 (original description)
Ophiovesta Koehler, 1930 accepted as Astrogymnotes H.L. Clark, 1914 (original description)
Ophiovesta granulata Koehler, 1930 accepted as Astrogymnotes catasticta H.L. Clark, 1914 (original description)
Ophiozeta Koehler, 1930 (original description)
Ophiozeta turgida Koehler, 1930 (original description)
Ophiozonella confusa Koehler, 1930 (original description)
Stegophiura confecta Koehler, 1930 accepted as Amphiophiura confecta (Koehler, 1930) (original description)