Demania is a genus of crabs in the family Xanthidae, containing the following species: \n* Demania alcocki Deb, 1987 \n* Demania armadillus (Herbst, 1790) \n* Demania baccalipes (Alcock, 1898) \n* Demania crosnieri Serene, 1984 \n* Demania cultripes (Alcock, 1898) \n* Demania garthi Guinot & Richer de Forges, 1981 \n* Demania intermedia Guinot, 1969 \n* Demania japonica Guinot, 1977 \n* Demania mortenseni (Odhner, 1925) \n* Demania reynaudi (H. Milne Edwards, 1834) \n* Demania rotundata Serene, 1969 \n* Demania scaberrima (Walker, 1887) \n* Demania serenei Guinot & Richer de Forges, 1981 \n* Demania splendida Laurie, 1906 \n* Demania toxica Garth, 1971 \n* Demania unispinosa Chen & Ng, 1999 \n* Demania wardi Garth & Ng, 1985