| Brachychthoniidae Thor, 1934 (Family) |
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| Liochthonius van der Hammen, 1959 (Genus) |
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| Liochthonius alius Chinone, 1978 (Species) |
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| Liochthonius alpestris (Forsslund, 1958) (Species) |
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| Liochthonius altimonticola (Hammer, 1958) (Species) |
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| Liochthonius altus (Hammer, 1958) (Species) |
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| Liochthonius andinus (Hammer, 1958) (Species) |
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| Liochthonius australis Covarrubias (Species) |
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| Liochthonius brevis (Michael, 1888) (Species) |
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| Liochthonius breviseta (Hammer, 1958) (Species) |
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| Liochthonius clavatus (Forsslund, 1942) (Species) |
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| Liochthonius clavipes (Forsslund, 1942) (Species) |
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| Liochthonius concavus (Species) |
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| Liochthonius dilutus Moritz, 1976 (Species) |
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| Liochthonius ensifer (Strenzke) (Species) |
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| Liochthonius evansi (Forsslund, 1958) (Species) |
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| Liochthonius expolitus Balogh & Mahunka, 1983 (Species) |
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| Liochthonius fimbriatissimus (Hammer, 1962) (Species) |
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| Liochthonius fimbriatus (Jacot, 1936) (Species) |
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| Liochthonius forsslundi Mahunka, 1969 (Species) |
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| Liochthonius furcillatus (Willmann, 1942) (Species) |
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| Liochthonius gisini (Schweizer, 1948) (Species) |
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| Liochthonius globuliferus (Species) |
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| Liochthonius horridus (Sellnick, 1928) (Species) |
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| Liochthonius hystricinus (Forsslund, 1942) (Species) |
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| Liochthonius idem Hammer, 1966 (Species) |
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| Liochthonius intermedius Chinone & Aoki (Species) |
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| Liochthonius khencensis Hammer, 1961 (Species) |
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| Liochthonius kirghisicus Krivolutsky, 1971 (Species) |
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| Liochthonius laetepictus (Berlese, 1910) (Species) |
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| Liochthonius lapponicus (Trägårdh, 1910) (Species) |
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| Liochthonius laticeps (Strenzke, 1951) (Species) |
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| Liochthonius leptaleus Moritz, 1976 (Species) |
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| Liochthonius marginatus (Forsslund, 1942) (Species) |
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| Liochthonius mollis (Hammer) (Species) |
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| Liochthonius muscorum Forsslund, 1964 (Species) |
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| Liochthonius neglectus Moritz, 1976 (Species) |
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| Liochthonius nodifer Hammer, 1962 (Species) |
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| Liochthonius nortoni Martinez & Casanueva, 1995 (Species) |
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| Liochthonius occultus Niedbala, 1971 (Species) |
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| Liochthonius patagoniensis Hammer, 1962 (Species) |
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| Liochthonius peduncularis (Strenzke, 1951) (Species) |
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| Liochthonius penicillus Chinone, 1978 (Species) |
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| Liochthonius pepitensis Hammer, 1962 (Species) |
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| Liochthonius perelegans Moritz, 1976 (Species) |
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| Liochthonius perfusorius Moritz, 1976 (Species) |
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| Liochthonius perpusillus (Berlese, 1910) (Species) |
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| Liochthonius phitosi Mahunka, 1982 (Species) |
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| Liochthonius pilososetosus (Forsslund, 1942) (Species) |
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| Liochthonius piluliferus (Forsslund, 1942) (Species) |
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| Liochthonius plumosus Mahunka, 1969 (Species) |
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| Liochthonius propinquus Niedbala, 1972 (Species) |
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| Liochthonius pseudolaticeps (Species) |
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| Liochthonius reductus Mahunka, 1995 (Species) |
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| Liochthonius rigidisetosus Hammer, 1962 (Species) |
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| Liochthonius saltaensis (Hammer, 1958) (Species) |
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| Liochthonius scalaris (Forsslund, 1942) (Species) |
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| Liochthonius sellnicki (Thor, 1930) (Species) |
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| Liochthonius similis (Hammer, 1961) (Species) |
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| Liochthonius simplex (Forsslund, 1942) (Species) |
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| Liochthonius strenzkei (Forsslund, 1963) (Species) |
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| Liochthonius tuberculatus Hammer, 1961 (Species) |
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| Liochthonius tuxeni (Forsslund, 1957) (Species) |
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| Liochthonius tyrrhenicus Bernini, 1985 (Species) |
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| Liochthonius unilateralis Hammer, 1962 (Species) |
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