Ischnomesidae Hansen, 1916
Fortimesus concinnus (Birstein, 1960)
Fortimesus consanguensis (Mezhov, 1980)
Fortimesus cornutus (Birstein, 1960)
Fortimesus formosus (Mezhov, 1981)
Fortimesus gigas (Birstein, 1960)
Fortimesus profundicolus (Birstein, 1971)
Fortimesus robustus (Birstein, 1960)
Fortimesus scabriusculus (Birstein, 1960)
Fortimesus thomsoni (Beddard, 1886)
Fortimesus zuluensis (Kensley, 1984B)
