Smittindae
- Palmicellaria bicornis (Busk, 1859)
- Palmicellaria skenei (Ellis and Solander, 1786)
- Palmicellaria skenei var.bicornis (Busk, 1856)
- Palmicellaria tridens (Busk, 1856)
- Porella acutirostris Smitt, 1869
- Porella alba Nordgaard, 1906
- Porella aperta Boeck, 1862
- Porella compressa (Sowerby, 1806)
- Porella concinna (Busk, 1854)
- Porella fragilis Levinsen, 1914
- Porella groenlandica Norman, 1894
- Porella leavis (Fleming, 1828)
- Porella minuta (Norman, 1869)
- Porella plana Hincks, 1888
- Porella princeps Norman, 1903
- Porella proboscidea Hincks, 1888
- Porella saccata (Busk, 1856)
- Porella saccata var.beringia Kluge, 1929
- Porella smitti Kluge, 1908
- Porella struma (Norman, 1868)
- Porella tumida Kluge,1955
- Pseudoflustra anderssoni Kluge, 1946
- Pseudoflustra birulai Kluge, 1929
- Pseudoflustra hincksi Kluge, 1915
- Pseudoflustra sinuosa (Andersson, 1902)
- Pseudoflustra solida (Stimpson, 1854)
- Smittina bella (Busk, 1860)
- Smittina belli (Dawson, 1859)
- Smittina beringia Kluge, 1952
- Smittina glaciata (Waters, 1900)
- Smittina jeffreysi Norman, 1903
- Smittina landsborovii (Johnston, 1847)
- Smittina majuscula (Smitt, 1868)
- Smittina minuscula (Smitt, 1868)
- Smittina mucronata (Smitt, 1868)
- Smittina muliebris Kluge, 1962
- Smittina peristomata (Nordgaard, 1905)
- Smittina pseudoacutirostris Gostilovskaya, 1957
- Smittina reticulata (MacGillivray, 1842)
- Smittina rigida Lorenz, 1886
- Smittina smitti Kirchenpauer, 1874
- Smittina thomsoni Kluge, 1955
- Smittina trispinosa (Johnston,1838)
- Smittina tuberosa Kluge, 1952
- Umbonula arctica (Sars, 1851)
- Umbonula inarmata Kluge, 1962
- Umbonula patens (Smitt, 1868)
- Umonulla verrucosa (Esper, 1790)