Cryptocope Sars, 1882 (taxonomy source)
Cryptocopidae Sieg, 1977 (taxonomy source)
Cryptocopinae Sieg, 1977 accepted as Cryptocopidae Sieg, 1977 (original description)
Cryptocopoides Sieg, 1976 (taxonomy source)
Iungentitanais Sieg, 1976 (taxonomy source)
Mortensenia Sieg, 1977 accepted as Iungentitanais Sieg, 1976 (original description)
Paraiungentitanais Sieg, 1977 (original description)
Paraiungentitanais longidigitatus (Kudinova-Pasternak, 1975) (new combination reference)
Pseudotanaidae Sieg, 1976 (taxonomy source)
Pseudotanainae Sieg, 1977 (original description)
Pseudotanais Sars, 1882 (taxonomy source)
Pseudotanais (Akanthinotanais) Sieg, 1977 accepted as Akanthinotanais Sieg, 1977 (original description)
Pseudotanais (Akanthinotanais) gaussi Vanhöffen, 1914 accepted as Akanthinotanais gaussi (Vanhöffen, 1914) (new combination reference)
Pseudotanais (Pseudotanais) Sars, 1882 accepted as Pseudotanais Sars, 1882 (taxonomy source)
Pseudotanais (Pseudotanais) abyssi Hansen, 1913 accepted as Pseudotanais abyssi Hansen, 1913 accepted as Beksitanais abyssi (Hansen, 1913) (new combination reference)
Pseudotanais (Pseudotanais) affinis Hansen, 1887 accepted as Pseudotanais affinis Hansen, 1887 (new combination reference)
Pseudotanais (Pseudotanais) longisetosus Sieg, 1977 accepted as Pseudotanais longisetosus Sieg, 1977 (original description)
Pseudotanais (Pseudotanais) nordenskioldi Sieg, 1977 accepted as Pseudotanais nordenskioldi Sieg, 1977 (original description)