Brachychthoniidae Thor, 1934
Sellnickochthonius americanus (MacQuitty, 1986)
Sellnickochthonius anonymus Ruiz, Subías & Kahwash, 1991
Sellnickochthonius aokii (Chinone, 1974)
Sellnickochthonius borealis (Krivolutsky, 1965)
Sellnickochthonius comorensis Mahunka, 1995
Sellnickochthonius cricoides (Weis-Fogh, 1948)
Sellnickochthonius danubialis Mahunka, 1997
Sellnickochthonius dolosus Gil-Martín, Subías & Arillo, 1992
Sellnickochthonius elisabethae Mahunka, 1974
Sellnickochthonius elsosneadensis (Hammer, 1958)
Sellnickochthonius foliatifer Mahunka, 1982
Sellnickochthonius foliatus (Hammer, 1958)
Sellnickochthonius formosus (Cooreman, 1947)
Sellnickochthonius fuentesi Ruiz, Subías & Kahwash, 1991
Sellnickochthonius furcatus (Weis-Fogh, 1948)
Sellnickochthonius gracilis (Chinone, 1974)
Sellnickochthonius griseus (Hammer, 1958)
Sellnickochthonius guanophilus (Mahunka, 1979)
Sellnickochthonius hanyensis Mahunka & Mahunka-Papp, 2002
Sellnickochthonius heterotrichus (Balogh, 1963)
Sellnickochthonius honestus (Moritz, 1976)
Sellnickochthonius immaculatus (Forsslund, 1942)
Sellnickochthonius jacoti (Evans, 1952)
Sellnickochthonius japonicus (Chinone, 1974)
Sellnickochthonius lydiae (Jacot, 1938)
Sellnickochthonius maroccanus (Mahunka, 1980)
Sellnickochthonius meridionalis (Bernini, 1973)
Sellnickochthonius miyauchii (Chinone, 1978)
Sellnickochthonius monticola (Hammer, 1961)
Sellnickochthonius muara Mahunka, 1995
Sellnickochthonius niliacus (Al-Assiuty, Bayoumi, Abdel-Hamid & El-Deeb, 1984)
Sellnickochthonius novazealandicus (Hammer, 1966)
Sellnickochthonius oesziae (Balogh & Mahunka, 1979)
Sellnickochthonius paraplanus (Niedbala, 1982)
Sellnickochthonius phyllophorus (Moritz, 1976)
Sellnickochthonius planus (Chinone, 1974)
Sellnickochthonius plumosus Subías & Gil-Martín, 1991
Sellnickochthonius rostratus (Jacot, 1936)
Sellnickochthonius rotundatus (Hammer, 1958)
Sellnickochthonius similis (Hammer, 1961)
Sellnickochthonius subcricoides (Balogh & Mahunka, 1979)
Sellnickochthonius suecicus (Forsslund, 1942)
Sellnickochthonius tropicus (Hammer, 1958)
Sellnickochthonius variabilis (Mahunka, 1982)
Sellnickochthonius zelawaiensis (Sellnick, 1928)