Hydrogamasus Berlese, 1892

Hydrogamasus giardi (Berlese & Trouessart, 1889)

Hydrogamasus japonicus Ishikawa, 1969

Hydrogamasus kensleri Luxton, 1967

Hydrogamasus littoralis (Canestrini & Canestrini, 1881)

Hydrogamasus salinus (Laboulbene, 1851)