N.B.: removed from the synonymy of Tetrablemma O. Pickard-Cambridge, 1873 by Lehtinen, 1981: 71 (rejecting Shear, 1978: 9), for the type species only.
Transferred to other genera:
Hexablemma benoiti Brignoli, 1978 -- see Tetrablemma
Hexablemma castanea Marples, 1955 -- see Fallablemma
Hexablemma rhinoceros Brignoli, 1974 -- see Tetrablemma
Hexablemma viduum Brignoli, 1974 -- see Tetrablemma