Aeginura Haeckel, 1879 (original description)
Aglantha Haeckel, 1879 (original description)
Aglaura hemistoma Péron & Lesueur, 1810 (additional source)
Amphinema Haeckel, 1879 (original description)
Bougainvillia multicilia (Haeckel, 1879) (original description)
Catablema Haeckel, 1879 (original description)
Codonium Haeckel, 1879 (original description)
Codonorchis Haeckel, 1879 (original description)
Codonorchis octaedrus Haeckel, 1879 (original description)
Cunina proboscidea Metschnikoff & Metschnikoff, 1871 (status source)
Cunoctantha Haeckel, 1879 accepted as Cunina Eschscholtz, 1829 (original description)
Dicodonium Haeckel, 1879 (original description)
Dipurena dolichogaster Haeckel, 1864 (redescription)
Dipurena ophiogaster Haeckel, 1879 accepted as Stauridiosarsia ophiogaster (Haeckel, 1879) (original description)
Eirenidae Haeckel, 1879 (original description)
Euphysidae Haeckel, 1879 accepted as Corymorphidae Allman, 1872 (original description)
Hydroidolina (additional source)
Irenium Haeckel, 1879 (original description)
Irenium quadrigatum Haeckel, 1879 (original description)
Lizzella Haeckel, 1879 accepted as Spirocodon Haeckel, 1880 (original description)
Melicertissa Haeckel, 1879 (original description)
Mitrocoma annae Haeckel, 1864 (additional source)
Mitrocomella Haeckel, 1879 (original description)
Mitrocomella polydiademata (Romanes, 1876) (new combination reference)
Mitrocomidae Haeckel, 1879 (original description)
Mitrocomium Haeckel, 1879 accepted as Lovenella Hincks, 1868 (original description)
Mitrocomium cirratum Haeckel, 1879 accepted as Lovenella cirrata (Haeckel, 1879) (original description)
Narcomedusae (original description)
Octocanna Haeckel, 1879 (original description)
Olindias muelleri Haeckel, 1879 (original description)
Orchistoma Haeckel, 1879 (original description)
Pandeidae Haeckel, 1879 (original description)
Pegantha Haeckel, 1879 (original description)
Pegantha triloba Haeckel, 1879 (original description)
Petasidae Haeckel, 1879 (original description)
Petasus Haeckel, 1879 (original description)
Petasus atavus Haeckel, 1879 (original description)
Protiara Haeckel, 1879 (original description)
Protiaridae Haeckel, 1879 (original description)
Rathkea Brandt, 1837 (basis of record)
Rathkea octopunctata (M. Sars, 1835) (new combination reference)
Sarsia eximia (Allman, 1859) accepted as Coryne eximia Allman, 1859 (additional source)
Solmaris Haeckel, 1879 (original description)
Solmarisidae Haeckel, 1879 (original description)
Solmissus Haeckel, 1879 (original description)
Solmundella Haeckel, 1879 (original description)
Staurodiscus Haeckel, 1879 (original description)
Staurodiscus tetrastaurus Haeckel, 1879 (original description)
Staurostoma Haeckel, 1879 (original description)
Thamnostoma Haeckel, 1879 (original description)
Thamnostoma dibalium (Busch, 1851) (new combination reference)
Toxorchis Haeckel, 1879 accepted as Staurodiscus Haeckel, 1879 (original description)
Toxorchis arcuatus Haeckel, 1879 accepted as Staurodiscus arcuatus (Haeckel, 1879) (original description)
Trachylinae (original description)