Gigadema is a genus of beetles in the family Carabidae, containing the following species: \n* Gigadema biordinatum Sloane, 1914 \n* Gigadema bostocki Castelnau, 1867 \n* Gigadema dux Blackburn, 1901 \n* Gigadema froggatti Macleay, 1888 \n* Gigadema grande (Macleay, 1864) \n* Gigadema gulare Sloane, 1914 \n* Gigadema longipenne (Germar, 1848) \n* Gigadema mandibulare Blackburn, 1892 \n* Gigadema maxillare Sloane, 1914 \n* Gigadema nocte (Newman, 1842) \n* Gigadema obscurum Sloane, 1914 \n* Gigadema rugaticolle Blackburn, 1901 \n* Gigadema sulcatum (Macleay, 1864)