Halacaridae Murray, 1877
Rhombognathides brevipes Bartsch, 1975
Rhombognathides exoplus (Trouessart, 1901)
Rhombognathides merrimani Newell, 1947
Rhombognathides mucronatus (Viets, 1927)
Rhombognathides nigrescens (Brady, 1877)
Rhombognathides pascens (Lohmann, 1889)
Rhombognathides seahami (Hodge, 1860)
Rhombognathides spinipes (Viets, 1933)
Rhombognathides trionyx (Trouessart, 1899)
