The Acerentomidae are a family of hexapods in the order Protura. Acerentomids are not tracheated, and instead use cuticular gas exchange. Genera These genera are members of the family Acerentomidae. Acerella Berlese, 1909 Acerentomon Silvestri, 1907 Acerentuloides Ewing, 1921 Acerentulus Berlese, 1908 Alaskaentomon Nosek, 1977 Amazonentulus Yin, 1989 Amphientulus Tuxen, 1981 Andinentulus Tuxen, 1984 Australentulus Tuxen, 1967 Baculentulus Tuxen, 1977 Berberentulus Tuxen, 1963 Bolivaridia Bonet, 1942 Brasilentulus Nosek, 1973 Brasilidia Nosek, 1973 Callientomon Yin, 1980 Chosonentulus Imadaté & Szeptycki, 1976 Delamarentulus Tuxen, 1963 Filientomon Rusek, 1974 Fjellbergella Nosek, 1978 Gracilentulus Tuxen, 1963 Huashanentulus Yin, 1980 Imadateiella Rusek, 1974 Kenyentulus Tuxen, 1981 Liaoxientulus Wu & Yin, 2011 Madagascaridia Nosek, 1978 Maderentulus Tuxen, 1963 Najtentulus Szeptycki & Weiner, 1997 Nanshanentulus Bu & Yin, 2007 Neobaculentulus Yin, 1984 Nienna Szeptycki, 1988 Nipponentomon Imadaté & Yosii, 1959 Noldo Szeptycki, 1988 Nosekiella Rusek, 1974 Nosekientomon Shrubovych, Rusek & Bernard, 2014 Notentulus Yin, 1989 Orinentomon Yin & Xie, 1993 Paracerella Imadaté, 1980 Podolinella Szeptycki, 1995 Polyadenum Yin, 1980 Proacerella Bernard, 1975 Silvestridia Bonet, 1942 Sugaentulus Imadaté, 1978 Tasmanentulus Tuxen, 1986 Tuxenentulus Imadaté, 1974 Tuxenidia Nosek & Cvijovic, 1969 Verrucoentomon Rusek, 1974 Vesiculentomon Rusek, 1974 Vindobonella Szeptycki & Christian, 2001 Wenyingia Imadaté, 1986 Yamatentomon Imadaté, 1964 Yavanna Szeptycki, 1988 Yichunentulus Yin, 1980 Yinentulus Tuxen, 1986 Zangentulus Yin, 1983 References Protura Taxa named by Filippo Silvestri Arthropod families