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)
Pontotanais Bacescu, 1960 accepted as Pseudotanais Sars, 1882 (source of synonymy)
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) longipes Hansen, 1913 accepted as Akanthinotanais longipes (Hansen, 1913) (new combination reference)
Pseudotanais (Akanthinotanais) similis Sieg, 1977 accepted as Akanthinotanais similis (Sieg, 1977) (original description)
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) forcipatus (Lilljeborg, 1864) accepted as Pseudotanais forcipatus (Lilljeborg, 1864) (new combination reference)
Pseudotanais (Pseudotanais) jonesi Sieg, 1977 accepted as Pseudotanais jonesi Sieg, 1977 (original description)
Pseudotanais (Pseudotanais) lilljeborgi Sars, 1882 accepted as Pseudotanais lilljeborgii Sars, 1882 (new combination reference)
Pseudotanais (Pseudotanais) longisetosus Sieg, 1977 accepted as Pseudotanais longisetosus Sieg, 1977 (original description)
Pseudotanais (Pseudotanais) macrocheles Sars, 1882 accepted as Pseudotanais macrocheles Sars, 1882 (new combination reference)
Pseudotanais (Pseudotanais) mediterraneus G.O. Sars, 1882 accepted as Pseudotanais mediterraneus Sars, 1882 (new combination reference)
Pseudotanais borceai Bacescu, 1960 (new combination reference)