Dendrotion paradoxum Hansen, 1916 (original description)
Desmosoma plebejum Hansen, 1916 accepted as Oecidiobranchus plebejum (Hansen, 1916) (original description)
Echinozone arctica Hansen, 1916 (original description)
Eurycope brevirostris Hansen, 1916 (original description)
Eurydice caeca Hansen, 1916 accepted as Metacirolana caeca (Hansen, 1916) (original description)
Gnathia albescens Hansen, 1916 (original description)
Heteromesus dentatus Hansen, 1916 (original description)
Heteromesus frigidus Hansen, 1916 (original description)
Heteromesus schmidtii Hansen, 1916 (original description)
Hydroniscus Hansen, 1916 (original description)
Hydroniscus abyssi Hansen, 1916 (original description)
Ianthopsis pulchra (Hansen, 1916) accepted as Janiralata pulchra (Hansen, 1916) (original description)
Ilyarachna hirticeps G. O. Sars, 1870 (source of synonymy)
Ischnomesidae Hansen, 1916 (original description)
Janirella laevis Hansen, 1916 (original description)
Janirella spongicola Hansen, 1916 (original description)
Katianira Hansen, 1916 (original description)
Katianira chelifera Hansen, 1916 (original description)
Macrostylidae Hansen, 1916 (original description)
Macrostylis elongata Hansen, 1916 (original description)
Macrostylis longipes Hansen, 1916 (original description)
Macrostylis subinermis Hansen, 1916 (original description)
Munna acanthifera Hansen, 1916 (original description)
Munna groenlandica Hansen, 1916 (original description)
Munnopsurus giganteus (G. O. Sars, 1877) (new combination reference)
Nannoniscidae Hansen, 1916 (original description)
Nannoniscoides Hansen, 1916 (original description)
Nannoniscoides angulatus Hansen, 1916 (original description)
Nannoniscus aequiremus Hansen, 1916 (original description)
Nannoniscus affinis Hansen, 1916 (original description)
Nannoniscus arcticus Hansen, 1916 (original description)
Nannoniscus laticeps Hansen, 1916 (original description)
Nannoniscus plebejus Hansen, 1916 (original description)
Nannoniscus reticulatus Hansen, 1916 (original description)
Nannoniscus simplex Hansen, 1916 (original description)
Nannoniscus spinicornis Hansen, 1916 (original description)
Paramunnopsis Hansen, 1916 (original description)
Paramunnopsis oceanica (Tattersall, 1905) (new combination reference)
Pleurogonium intermedium Hansen, 1916 (original description)
Pleurogonium pulchrum Hansen, 1916 (original description)
Pleuroprion frigidum Hansen, 1916 accepted as Astacilla frigida (Hansen, 1916) (original description)
Pseudomesus Hansen, 1916 (original description)
Pseudomesus brevicornis Hansen, 1916 (original description)
Pseudomunnopsis Hansen, 1916 (original description)
Syneurycope Hansen, 1916 (original description)
Tole speciosa (Bovallius, 1881) accepted as Tole spinosa (Harger, 1879) (source of synonymy)