Ischnomesidae Hansen, 1916
Haplomesus antarcticus Birstein, 1968
Haplomesus bifurcatus Menzies, 1962C
Haplomesus brevispinis Birstein, 1960
Haplomesus ornatus Menzies, 1962C
Haplomesus profundicola Birstein, 1971
Haplomesus quadrispinosus (Sars, 1879)