Acytostelium is a genus of dictyostelid. The genus Acytostelium inhabit surface humus and leaf mold of forest soils and are widely distributed in different forests of the world. Species include: * Cavender & Vadell 2000 * Cavender & Vadell 2000 * Acytostelium anastomosans Cavender et al. 2005 * Acytostelium digitatum Cavender & Vadell 2000 * Hagiw. 1971 * Acytostelium leptosomum Raper 1956 * Acytostelium longisorophorum Cavender et al. 2005 * Cavender & Vadell 2000 * Cavender et al. 2005 * Cavender & Vadell 2000 * Cavender & Vadell 2000 * Cavender & Vadell 2000 * Acytostelium serpentarium Cavender et al. 2005 * Cavender et al. 2005 * Acytostelium subglobosum Cavender 1976