| Anisoditha curvidigitata Balzan, 1887 | |
| Anisoditha curvidigitatus Balzan, 1887 | |
| Aphrastochthonius alteriae Muchmore, 1977 | |
| Aphrastochthonius cubanus Dumitresco &..., 1977 | |
| Aphrastochthonius grubbsi Muchmore, 1984 | Texas azalea |
| Aphrastochthonius major Muchmore, 1973 | Mountain azalea |
| Aphrastochthonius pachysetus Muchmore, 1976 | Chapman's rhododendron |
| Aphrastochthonius palmitensis Muchmore, 1986 | California azalea |
| Aphrastochthonius parvus Muchmore, 1972 | Rhodora |
| Aphrastochthonius patei Muchmore, 1982 | Great laurel |
| Aphrastochthonius pecki Muchmore, 1968 | Kamchatka rhododendron |
| Aphrastochthonius russelli Muchmore, 1972 | Rhodora |
| Aphrastochthonius similis Muchmore, 1984 | Texas azalea |
| Aphrastochthonius tenax Chamberlin, 1962 | |
| Aphrastochthonius verapazanus Muchmore, 1972 | Rhodora |
| Apochthonius coecus Packard, 1884 | |
| Apochthonius colecampi Muchmore, 1967 | Flame azalea |
| Apochthonius diabolus Muchmore, 1967 | Flame azalea |
| Apochthonius forbesi Benedict, 1979 | |
| Apochthonius grubbsi Muchmore, 1980 | Lapland rosebay |
| Apochthonius hobbsi Muchmore, 1994 | |
| Apochthonius holsingeri Muchmore, 1967 | Flame azalea |
| Apochthonius hypogeus Muchmore, 1976 | Chapman's rhododendron |
| Apochthonius indianensis Muchmore, 1967 | Flame azalea |
| Apochthonius intermedius Chamberlin, 1929 | |
| Apochthonius irwini R. O. Schuster, 1966 | Trinidad milkvetch |
| Apochthonius knowltoni Muchmore, 1980 | Lapland rosebay |
| Apochthonius magnanimus Hoff, 1956 | September elm |
| Apochthonius malheuri Benedict & M..., 1973 | |
| Apochthonius maximus R. O. Schuster, 1966 | Trinidad milkvetch |
| Apochthonius minimus R. O. Schuster, 1966 | Trinidad milkvetch |
| Apochthonius minor Muchmore, 1976 | Chapman's rhododendron |
| Apochthonius moestus Banks, 1891 | |
| Apochthonius mysterius Muchmore, 1976 | Chapman's rhododendron |
| Apochthonius occidentalis Chamberlin, 1929 | |
| Apochthonius paucispinosus Muchmore, 1967 | Flame azalea |
| Apochthonius russelli Muchmore, 1976 | Chapman's rhododendron |
| Apochthonius titanicus Muchmore, 1976 | Chapman's rhododendron |
| Apochthonius typhlus Muchmore, 1967 | Flame azalea |
| Austrochthonius argentinae Hoff, 1950 | English elm |
| Austrochthonius bolivianus Beier, 1930 | |
| Austrochthonius chilensis Chamberlin, 1923 | |
| Austrochthonius chilensis chilensis Chamberlin, 1923 | |
| Austrochthonius chilensis magalhanicus Beier, 1964 | |
| Austrochthonius chilensis transversus Beier, 1964 | |
| Austrochthonius iguazuensis Vitali-di Ca..., 1975 | Fringed gentian |
| Austrochthonius mordax Beier, 1967 | |
| Austrochthonius paraguayensis Vitali-di Ca..., 1975 | Fringed gentian |
| Austrochthonius parvus Mello-Leitao, 1939 | |
| Austrochthonius persimilis Beier, 1930 | |
| Austrochthonius semiserratus Beier, 1930 | |
| Austrochthonius transversus Beier, 1964 | |
| Cantabrochthonius asturiensis Beier, 1955 | |
| Caribchthonius butleri Muchmore, 1976 | Chapman's rhododendron |
| Caribchthonius orthodentatus Muchmore, 1976 | Chapman's rhododendron |
| Chiliochthonius centralis Vitali-di Ca..., 1976 | |
| Chiliochthonius montanus Vitali-di Ca..., 1976 | |
| Chthonius (Chthonius) globocicae Curcic, Dimi..., 2008 | |
| Chthonius (Chthonius) ischnocheles Hermann, 1804 | Common Chthonid |
| Chthonius ischnocheles ischnocheles Hermann, 1804 | |
| Chthonius (Chthonius) pacificus Muchmore, 1968 | Common spiny lobster |
| Chthonius (Chthonius) paganus Hoff, 1961 | Southern spiny lobster |
| Chthonius (Chthonius) paludis Chamberlin, 1929 | Pink spiny lobster |
| Chthonius (Chthonius) pearsei Hoff, 1945 | |
| Chthonius (Chthonius) troglodites Redikorzev, 1928 | |
| Chthonius (Ephippiochthonius) tetrachelatus Preyssler, 1790 | Dimple-clawed Chthonid |
| Chthonius (Ephippiochthonius) virginicus Chamberlin, 1929 | |
| Chthonius (Hesperochthonius) californicus Chamberlin, 1929 | |
| Chthonius (Hesperochthonius) oregonicus Muchmore, 1968 | Japanese spear lobster |
| Chthonius (Hesperochthonius) spingolus R. O. Schuster, 1962 | |
| Chthonius coecus (Packard, 1884) | ⇒ Apochthonius coecus Packard, 1884 |
| Chthonius longipalpis (Banks, 1891) | ⇒ Chthonius tetrachelatus Preyssler, 1790 |
| Chthonius moestus (Banks, 1891) | ⇒ Apochthonius moestus Banks, 1891 |
| Chthonius pennsylvanicus | |
| Chthonius spinosus (Banks, 1893) | ⇒ Verrucaditha spinosa Banks, 1893 |
| Drepanochthonius horridus Beier, 1964 | |
| Ephippiochthonius mariolae Carabajal Má..., 2001 | |
| Ephippiochthonius nudipes Mahnert, 1982 | |
| Ephippiochthonius rimicola Mahnert, 1993 | |
| Ephippiochthonius tetrachelatus Preyssler, 1790 | Dimple-clawed Chthonid |
| Ephippiochthonius virginicus Chamberlin, 1929 | |
| Francochthonius hirsutus Vitali-di Ca..., 1976 | |
| Hesperochthonius californicus Chamberlin, 1929 | |
| Hesperochthonius oregonicus Muchmore, 1968 | |
| Hesperochthonius spingolus R.O.Schuster, 1962 | |
| Kleptochthonius (Chamberlinochthonius) affinis Muchmore, 1976 | Chapman's rhododendron |
| Kleptochthonius (Chamberlinochthonius) anophthalmus Muchmore, 1970 | Kamchatka rhododendron |
| Kleptochthonius (Chamberlinochthonius) attenuatus Malcolm and ..., 1961 | Balsam pear |
| Kleptochthonius (Chamberlinochthonius) barri Muchmore, 1965 | Florida azalea |
| Kleptochthonius (Chamberlinochthonius) binoculatus Muchmore, 1974 | Carolina azalea |
| Kleptochthonius (Chamberlinochthonius) cerberus Malcolm and ..., 1961 | Balsam pear |
| Kleptochthonius (Chamberlinochthonius) charon Muchmore, 1965 | Florida azalea |
| Kleptochthonius (Chamberlinochthonius) daemonius Muchmore, 1965 | Florida azalea |
| Kleptochthonius (Chamberlinochthonius) erebicus Muchmore, 1965 | Florida azalea |
| Kleptochthonius (Chamberlinochthonius) gertschi Malcolm and ..., 1961 | Balsam pear |
| Kleptochthonius (Chamberlinochthonius) hageni Muchmore, 1963 | Dwarf azalea |
| Kleptochthonius (Chamberlinochthonius) henroti Vachon, 1952 | |
| Kleptochthonius (Chamberlinochthonius) hetricki Muchmore, 1974 | Carolina azalea |
| Kleptochthonius (Chamberlinochthonius) hubrichti Muchmore, 1965 | Florida azalea |
| Kleptochthonius (Chamberlinochthonius) infernalis Malcolm and ..., 1961 | Balsam pear |
| Kleptochthonius (Chamberlinochthonius) krekeleri Muchmore, 1965 | Florida azalea |
| Kleptochthonius (Chamberlinochthonius) lutzi Malcolm and ..., 1961 | Balsam pear |
| Kleptochthonius (Chamberlinochthonius) microphthalmus Malcolm and ..., 1961 | Balsam pear |
| Kleptochthonius (Chamberlinochthonius) myopius Malcolm and ..., 1961 | Balsam pear |
| Kleptochthonius (Chamberlinochthonius) myoplus Malcolm & J...., 1961 | |
| Kleptochthonius (Chamberlinochthonius) orpheus Muchmore, 1965 | Florida azalea |
| Kleptochthonius (Chamberlinochthonius) packardi Hagen, 1879 | |
| Kleptochthonius (Chamberlinochthonius) pluto Muchmore, 1965 | Florida azalea |
| Kleptochthonius (Chamberlinochthonius) proserpinae Muchmore, 1965 | Florida azalea |
| Kleptochthonius (Chamberlinochthonius) proximosetus Muchmore, 1976 | Chapman's rhododendron |
| Kleptochthonius (Chamberlinochthonius) regulus Muchmore, 1970 | Kamchatka rhododendron |
| Kleptochthonius (Chamberlinochthonius) rex Malcolm and ..., 1961 | Balsam pear |
| Kleptochthonius (Chamberlinochthonius) similis Muchmore, 1976 | Chapman's rhododendron |
| Kleptochthonius (Chamberlinochthonius) stygius Muchmore, 1965 | Florida azalea |
| Kleptochthonius (Chamberlinochthonius) tantalus Muchmore, 1966 | Baker's rhododendron |
| Kleptochthonius (Kleptochthonius) crosbyi Chamberlin, 1929 | |
| Kleptochthonius (Kleptochthonius) geophilus Malcolm and ..., 1961 | Balsam pear |
| Kleptochthonius (Kleptochthonius) griseomanus Muchmore, 2000 | |
| Kleptochthonius (Kleptochthonius) inusitatus Muchmore, 1994 | |
| Kleptochthonius (Kleptochthonius) lewisorum Muchmore, 2000 | |
| Kleptochthonius (Kleptochthonius) magnus Muchmore, 1966 | Baker's rhododendron |
| Kleptochthonius (Kleptochthonius) multispinosus Hoff, 1945 | |
| Kleptochthonius (Kleptochthonius) oregonus Malcolm and ..., 1961 | Balsam pear |
| Kleptochthonius (Kleptochthonius) polychaetus Muchmore, 1994 | |
| Kleptochthonius (Kleptochthonius) sheari Muchmore, 1994 | |
| Lagynochthonius callidus Hoff, 1959 | |
| Lagynochthonius cavicola Muchmore, 1991 | |
| Lagynochthonius gigas Beier, 1954 | |
| Lagynochthonius innoxius Hoff, 1959 | |
| Lagynochthonius irmleri Mahnert, 1979 | |
| Lagynochthonius minor Mahnert, 1979 | |
| Lagynochthonius proximus Hoff, 1959 | |
| Lagynochthonius typhlus Muchmore, 1991 | |
| Malcolmochthonius malcolmi Benedict, 1978 | |
| Malcolmochthonius oregonus Benedict, 1978 | |
| Malcolmochthonius perplexus Benedict, 1978 | |
| Mexichthonius exoticus Muchmore, 1996 | |
| Mexichthonius pacal Muchmore, 1978 | Oconee azalea |
| Mexichthonius unicus Muchmore, 1975 | Catawba rhododendron |
| Mundochthonius cavernicola Muchmore, 1968 | Cavernicolous pseudoscorpion |
| Mundochthonius dominicanus Muchmore, 1996 | |
| Mundochthonius erosidens Chamberlin, 1929 | |
| Mundochthonius holsingeri Benedict & M..., 1974 | |
| Mundochthonius magnus Chamberlin, 1929 | |
| Mundochthonius mexicanus Muchmore, 1973 | Mountain azalea |
| Mundochthonius montanus Chamberlin, 1929 | |
| Mundochthonius pacificus Banks, 1893 | |
| Mundochthonius rossi Hoff, 1949 | Chinese elm |
| Mundochthonius sandersoni Hoff, 1949 | Chinese elm |
| Mundochthonius singularis Muchmore, 2001 | |
| Neochthonius amplus R. O. Schuster, 1962 | |
| Neochthonius imperialis Muchmore, 1996 | |
| Neochthonius paludis Chamberlin, 1929 | |
| Neochthonius stanfordianus Chamberlin, 1929 | |
| Neochthonius troglodytes Muchmore, 1969 | |
| Paraliochthonius carpenteri Muchmore, 1984 | Texas azalea |
| Paraliochthonius galapagensis Mahnert, 2014 | |
| Paraliochthonius globuliferus Strenzke, 1951 | |
| Paraliochthonius insulae Hoff, 1963 | Planertree |
| Paraliochthonius johnstoni Chamberlin, 1923 | |
| Paraliochthonius litoralis Mahnert, 2014 | |
| Paraliochthonius mexicanus Muchmore, 1972 | Rhodora |
| Paraliochthonius miomaya Judson, 2016 | |
| Paraliochthonius pecki Mahnert, 2014 | |
| Paraliochthonius puertoricensis Muchmore, 1967 | Flame azalea |
| Paraliochthonius quirosi Bedoya-Roqueme, 2015 | |
| Paraliochthonius rupicola Mahnert, 2014 | |
| Paraliochthonius weygoldti Muchmore, 1967 | Flame azalea |
| Pseudochthonius arubensis Wagenaar-Hum..., 1948 | |
| Pseudochthonius biseriatus Mahnert, 2001 | |
| Pseudochthonius brasiliensis Beier, 1970 | |
| Pseudochthonius clarus Hoff, 1963 | Planertree |
| Pseudochthonius doctus Hoff, 1963 | Planertree |
| Pseudochthonius falcatus Muchmore, 1977 | |
| Pseudochthonius galapagensis Beier, 1977 | |
| Pseudochthonius gracilimanus Mahnert, 2001 | |
| Pseudochthonius gracilmanus Mahnert, 2001 | |
| Pseudochthonius heterodentatus Hoff, 1946 | Cedar elm |
| Pseudochthonius homodentatus Chamberlin, 1929 | |
| Pseudochthonius insularis Chamberlin, 1929 | |
| Pseudochthonius moralesi Muchmore, 1977 | |
| Pseudochthonius mundanus Hoff, 1963 | Planertree |
| Pseudochthonius naranjitensis Ellingsen, 1902 | |
| Pseudochthonius orthodactylus Muchmore, 1970 | Kamchatka rhododendron |
| Pseudochthonius pulchellus Ellingsen, 1902 | |
| Pseudochthonius ricardoi Mahnert, 2001 | |
| Pseudochthonius simoni Balzan, 1892 | |
| Pseudochthonius squamosus ♰ W. Schawaller, 1980 | |
| Pseudochthonius strinatii Beier, 1969 | Hustler cockroach |
| Pseudochthonius thibaudi Vitali-di Ca..., 1984 | |
| Pseudochthonius troglobius Muchmore, 1986 | California azalea |
| Pseudochthonius tuxeni Mahnert, 1979 | |
| Pseudochthonius yucatanus Muchmore, 1977 | |
| Sathrochthonius pefauri Vitali-di Ca..., 1974 | |
| Sathrochthonius venezuelanus Muchmore, 1989 | |
| Tyrannochthonius alabamensis Muchmore, 1996 | |
| Tyrannochthonius aladdinensis Chamberlin, 1995 | |
| Tyrannochthonius albidus Beier, 1977 | |
| Tyrannochthonius amazonicus Mahnert, 1979 | |
| Tyrannochthonius aralu Chamberlin, 1995 | |
| Tyrannochthonius archeri Chamberlin, 1995 | |
| Tyrannochthonius attenuatus Muchmore, 1996 | |
| Tyrannochthonius avernicola Chamberlin, 1995 | |
| Tyrannochthonius avernicolus Chamberlin, 1995 | |
| Tyrannochthonius bahamensis Muchmore, 1984 | Texas azalea |
| Tyrannochthonius barri Muchmore, 1996 | |
| Tyrannochthonius binoculatus Muchmore, 1996 | |
| Tyrannochthonius brasiliensis Mahnert, 1979 | |
| Tyrannochthonius callidus Hoff, 1959 | |
| Tyrannochthonius centralis Beier, 1931 | |
| Tyrannochthonius chamberlini Muchmore, 1996 | |
| Tyrannochthonius charon Muchmore, 1996 | |
| Tyrannochthonius curazavius Wagenaar-Hum..., 1948 | |
| Tyrannochthonius diabolus Muchmore, 1996 | |
| Tyrannochthonius ecuadoricus Beier, 1977 | |
| Tyrannochthonius erebicus Muchmore, 1996 | |
| Tyrannochthonius felix Muchmore, 1996 | |
| Tyrannochthonius fiskei Muchmore, 1996 | |
| Tyrannochthonius floridensis Malcolm & Mu..., 1985 | |
| Tyrannochthonius gigas Beier, 1954 | |
| Tyrannochthonius gnomus Muchmore, 1996 | |
| Tyrannochthonius grimmeti Chamberlin, 1929 | |
| Tyrannochthonius guadeloupensis Vitali-di Ca..., 1984 | |
| Tyrannochthonius halopotamus Muchmore, 1996 | |
| Tyrannochthonius hoffi Muchmore, 1991 | |
| Tyrannochthonius hypogeus Muchmore, 1996 | |
| Tyrannochthonius imitatus Hoff, 1959 | |
| Tyrannochthonius infernalis Muchmore, 1996 | |
| Tyrannochthonius innominatus Muchmore, 1996 | |
| Tyrannochthonius innoxius Hoff, 1959 | |
| Tyrannochthonius insulae Hoff, 1946 | Cedar elm |
| Tyrannochthonius intermedius Muchmore, 1986 | California azalea |
| Tyrannochthonius irmleri Mahnert, 1979 | |
| Tyrannochthonius jonesi Chamberlin, 1995 | |
| Tyrannochthonius migrans Mahnert, 1979 | |
| Tyrannochthonius minor Mahnert, 1979 | |
| Tyrannochthonius muchmoreorum Cokendolpher, 2009 | |
| Tyrannochthonius nergal Chamberlin, 1995 | |
| Tyrannochthonius oahuanus Muchmore, 2000 | |
| Tyrannochthonius orpheus Muchmore, 1996 | |
| Tyrannochthonius osiris Chamberlin, 1995 | |
| Tyrannochthonius ovatus Vitali-di Ca..., 1984 | |
| Tyrannochthonius pallidus Muchmore, 1973 | Mountain azalea |
| Tyrannochthonius parvus Chamberlin, 1995 | |
| Tyrannochthonius pecki Muchmore, 1996 | |
| Tyrannochthonius pholeter Muchmore, 1996 | |
| Tyrannochthonius pluto Chamberlin, 1995 | |
| Tyrannochthonius proximus Hoff, 1959 | |
| Tyrannochthonius pupukeanus Muchmore, 1983 | Piedmont rhododendron |
| Tyrannochthonius pusillus Beier, 1955 | |
| Tyrannochthonius riberai Mahnert, 1984 | |
| Tyrannochthonius rotundimanus Mahnert, 1985 | Birdhouse gourd |
| Tyrannochthonius satan Muchmore, 1996 | |
| Tyrannochthonius sheltae Muchmore, 1996 | |
| Tyrannochthonius skeletonis Muchmore, 1996 | |
| Tyrannochthonius steevesi Muchmore, 1996 | |
| Tyrannochthonius stonei Muchmore, 1989 | |
| Tyrannochthonius strinatii Beier, 1974 | |
| Tyrannochthonius stygius Muchmore, 1996 | |
| Tyrannochthonius swiftae Muchmore, 1993 | |
| Tyrannochthonius tartarus Muchmore, 1996 | |
| Tyrannochthonius tenuis Chamberlin, 1995 | |
| Tyrannochthonius texanus Muchmore, 1992 | |
| Tyrannochthonius tlilapanensis Muchmore, 1986 | California azalea |
| Tyrannochthonius torodei Muchmore, 1996 | |
| Tyrannochthonius troglobius Muchmore, 1969 | |
| Tyrannochthonius troglodytes Muchmore, 1986 | California azalea |
| Tyrannochthonius vampirorum Muchmore, 1986 | California azalea |
| Tyrannochthonius volcancillo Muchmore, 1986 | California azalea |
| Tyrannochthonius volcaneillo Muchmore, 1968 | |
| Tyrannochthonius volcanus (Muchmore, 1977) | ⇒ Tyrannochthonius volcaneillo Muchmore, 1968 |
| Vulcanochthonius aa Muchmore, 2000 | |
| Vulcanochthonius howarthi Muchmore, 1979 | |
| Vulcanochthonius pohakuloae Muchmore, 2000 | |
