The Acerentomidae are a family of hexapods in the order

Protura The Protura, or proturans, and sometimes nicknamed coneheads, are very small (0.6-1.5mm long), soil-dwelling animals, so inconspicuous they were not noticed until the 20th century. The Protura constitute an order of hexapods that were previously ...

. Acerentomids are not tracheated, and instead use cuticular gas exchange.

Genera

These genera are members of the family Acerentomidae. * '' Acerella'' Berlese, 1909 * ''

Acerentomon ''Acerentomon'' is a genus of proturans in the family Acerentomidae 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 t ...

'' 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 The Valar (; singular Vala) are characters in J. R. R. Tolkien's legendarium. They are "angelic powers" or "gods", #154 to Naomi Mitchison, September 1954 subordinate to the one God ( Eru Ilúvatar). The Ainulindalë describes how those of the ...

'' 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 The Valar (; singular Vala) are characters in J. R. R. Tolkien's legendarium. They are "angelic powers" or "gods", #154 to Naomi Mitchison, September 1954 subordinate to the one God ( Eru Ilúvatar). The Ainulindalë describes how those of the ...

'' Szeptycki, 1988 * '' Yichunentulus'' Yin, 1980 * '' Yinentulus'' Tuxen, 1986 * '' Zangentulus'' Yin, 1983

References

Protura Taxa named by Filippo Silvestri Arthropod families {{Protura-stub