''Tyrannochthonius'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

pseudoscorpion Pseudoscorpions, also known as false scorpions or book scorpions, are small, scorpion-like arachnids belonging to the order Pseudoscorpiones, also known as Pseudoscorpionida or Chelonethida. Pseudoscorpions are generally beneficial to humans sin ...

s in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Chthoniidae Chthoniidae is a family of pseudoscorpions within the superfamily Chthonioidea. The family contains more than 600 species in about 30 genera. Fossil species are known from Baltic, Dominican, and Burmese amber.Biology Catalog Chthoniidae now inc ...

. It was described in 1929 by American

arachnologist Arachnology is the scientific study of arachnids, which comprise spiders and related invertebrates such as scorpions, pseudoscorpions, and harvestmen. Those who study spiders and other arachnids are arachnologists. More narrowly, the study of s ...

Joseph Conrad Chamberlin Joseph Conrad Chamberlin (December 23, 1898 – July 17, 1962) was an American arachnologist who studied mainly pseudoscorpions. A native of Utah, he studied primarily at Stanford University while working most of his career in Oregon for the U.S. ...

Species

, the World Pseudoscorpiones Catalog accepted the following species: * '' T. acutus'' Hou, Feng & Zhang, 2023 * '' T. akaelus'' Mahnert, 2009 * '' T. alabamensis'' Muchmore, 1996 * '' T. aladdinensis'' Chamberlin, 1995 * '' T. albidus'' (Beier, 1977) * '' T. altus'' Hou, Feng & Zhang, 2023 * '' T. amazonicus'' Mahnert, 1979 * '' T. antridraconis'' Mahnert, 2009 * '' T. aralu'' Chamberlin, 1995 * '' T. archeri'' Chamberlin, 1995 * '' T. aridus'' Edward and Harvey, 2008 * '' T. arificus'' Hou, Feng & Zhang, 2023 * '' T. assimilis'' Hong and T.H. Kim, 1993 * '' T. attenuatus'' Muchmore, 1996 * '' T. avernicola'' Chamberlin, 1995 * '' T. babaowanensis'' Hou, Feng & Zhang, 2023 * '' T. bagus'' Harvey, 1988 * '' T. bahamensis'' Muchmore, 1984 * '' T. barri'' Muchmore, 1996 * '' T. basme'' Edward and Harvey, 2008 * '' T. beieri'' Morikawa, 1963 * '' T. billhumphreysi'' Edward and Harvey, 2008 * '' T. binoculatus'' Muchmore, 1996 * '' T. bispinosus'' (Beier, 1974) * '' T. brasiliensis'' Mahnert, 1979 * '' T. breviculus'' Hou, Feng & Zhang, 2023 * '' T. brevimanus'' Beier, 1935 * '' T. brevispinus'' Hou, Feng & Zhang, 2023 * '' T. brooksi'' Harvey, 1991 * '' T. butleri'' Harvey, 1991 * '' T. caecatus'' (Beier, 1976) * '' T. cavernicola'' (Beier, 1976) * '' T. cavicola'' (Beier, 1967) * '' T. centralis'' Beier, 1931 * '' T. chamberlini'' Muchmore, 1996 * '' T. charon'' Muchmore, 1996 * '' T. chelatus'' Murthy and Ananthakrishnan, 1977 * '' T. chihayanus'' Sakayori, 2009 * '' T. chixingi'' Gao, Wynne & Zhang, 2018 * '' T. confusus'' Mahnert, 1986 * '' T. contractus'' (Tullgren, 1907) * '' T. convivus'' Beier, 1974 * '' T. curazavius'' Wagenaar-Hummelinck, 1948 * '' T. densedentatus'' (Beier, 1967) * '' T. diabolus'' Muchmore, 1996 * '' T. duo'' Hou, Feng & Zhang, 2023 * '' T. ecuadoricus'' (Beier, 1977) * '' T. elegans'' Beier, 1944 * '' T. erebicus'' Muchmore, 1996 * '' T. etu'' Gao and Zhang, 2013 * '' T. eua'' Krajčovičová, Matyukhin and Christophoryová, 2020 * '' T. felix'' Muchmore, 1996 * '' T. fiskei'' Muchmore, 1996 * '' T. floridensis'' Malcolm and Muchmore, 1985 * '' T. ganshuanensis'' Mahnert, 2009 * '' T. garthhumphreysi'' Edward and Harvey, 2008 * '' T. gezei'' Vachon, 1941 * '' T. gnomus'' Muchmore, 1996 * '' T. gomyi'' Mahnert, 1975 * '' T. gracilis'' Hou, Feng & Zhang, 2023 * '' T. grimmeti'' Chamberlin, 1929 * '' T. guadeloupensis'' Vitali-di Castri, 1984 * '' T. halopotamus'' Muchmore, 1996 * '' T. harveyi'' Gao, Zhang and Chen, 2020 * '' T. helenae'' (Beier, 1977) * '' T. heterodentatus'' Beier, 1930 * '' T. hispidus'' Hou, Feng & Zhang, 2023 * '' T. hoffi'' Muchmore, 1991 * '' T. horridus'' (Beier, 1976) * '' T. hypogeus'' Muchmore, 1996 * '' T. imitatus'' Hoff, 1959 * '' T. infernalis'' Muchmore, 1996 * '' T. infirmus'' Hou, Feng & Zhang, 2023 * '' T. innominatus'' Muchmore, 1996 * '' T. insulae'' Hoff, 1946 * '' T. intermedius'' Muchmore, 1986 * '' T. japonicus'' (Ellingsen, 1907) ** '' T. j. dogoensis'' Morikawa, 1954 ** '' T. j. japonicus'' (Ellingsen, 1907) * '' T. jonesi'' Chamberlin, 1995 * '' T. kermadecensis'' (Beier, 1976) * '' T. krakatau'' Harvey, 1988 * '' T. laevis'' Beier, 1966 * '' T. latus'' Hou, Feng & Zhang, 2023 * '' T. luxtoni'' (Beier, 1967) * '' T. maculosus'' Hou, Feng & Zhang, 2023 * '' T. mahunkai'' Mahnert, 1978 * '' T. meneghettii'' (Caporiacco, 1949) * '' T. meruensis'' Beier, 1962 * '' T. migrans'' Mahnert, 1979 * '' T. monodi'' Vachon, 1941 * '' T. muchmoreorum'' Cokendolpher, 2009 * '' T. multicavus'' Hou, Feng & Zhang, 2023 * '' T. multidentatus'' Hou, Feng & Zhang, 2023 * '' T. nanus'' (Beier, 1966) * '' T. nanxingensis'' Hou, Feng & Zhang, 2023 * '' T. nergal'' Chamberlin, 1995 * '' T. noaensis'' Moyle, 1989 * '' T. norfolkensis'' (Beier, 1976) * '' T. oahuanus'' Muchmore, 2000 * '' T. oblongus'' Hou, Feng & Zhang, 2023 * '' T. oligochaetus'' Dashdamirov, 2005 * '' T. orpheus'' Muchmore, 1996 * '' T. osiris'' Chamberlin, 1995 * '' T. ovatus'' Vitali-di Castri, 1984 * '' T. pachythorax'' Redikorzev, 1938 * '' T. palauanus'' Beier, 1957 * '' T. pallidus'' Muchmore, 1973 * '' T. pandus'' Hou, Gao & Zhang, 2022 * '' T. parcidentatus'' Hou, Feng & Zhang, 2023 * '' T. parvus'' Chamberlin, 1995 * '' T. pecki'' Muchmore, 1996 * '' T. perpusillus'' Beier, 1951 * '' T. philippinus'' (Beier, 1966) * '' T. pholeter'' Muchmore, 1996 * '' T. pictus'' Hou, Feng & Zhang, 2023 * '' T. pinguis'' Hou, Feng & Zhang, 2023 * '' T. planus'' Hou, Feng & Zhang, 2023 * '' T. pluto'' Chamberlin, 1995 * '' T. procerus'' Mahnert, 1978 * '' T. pupukeanus'' Muchmore, 1983 * '' T. pusillimus'' Beier, 1951 * '' T. pusillus'' Beier, 1955 * '' T. qilinensis'' Hou, Feng & Zhang, 2023 * '' T. quattuor'' Hou, Feng & Zhang, 2023 * '' T. queenslandicus'' (Beier, 1969) * '' T. rahmi'' Beier, 1976 * ''

T. rex ''Tyrannosaurus'' is a genus of large theropod dinosaur. The species ''Tyrannosaurus rex'' (''rex'' meaning "king" in Latin), often called ''T. rex'' or colloquially ''T-Rex'', is one of the best represented theropods. ''Tyrannosaurus'' liv ...

'' Harvey, 1989 * '' T. riberai'' Mahnert, 1984 * '' T. robustus'' Beier, 1951 * '' T. rotundimanus'' Mahnert, 1985 * '' T. satan'' Muchmore, 1996 * '' T. semidentatus'' (Redikorzev, 1924) * '' T. semihorridus'' (Beier, 1969) * '' T. sheltae'' Muchmore, 1996 * '' T. similidentatus'' Sato, 1984 * '' T. simillimus'' Beier, 1951 * '' T. simulans'' Mahnert, 1986 * '' T. skeletonis'' Muchmore, 1996 * '' T. sokolovi'' (Redikorzev, 1924) * '' T. souchomalus'' Edward and Harvey, 2008 * '' T. sparsedentatus'' Beier, 1959 * '' T. spinatus'' Hong, 1996 * '' T. steevesi'' Muchmore, 1996 * '' T. stonei'' Muchmore, 1989 * '' T. strinatii'' (Beier, 1974) * '' T. stygius'' Muchmore, 1996 * '' T. suppressalis'' Hong, 1996 * '' T. swiftae'' Muchmore, 1993 * '' T. tartarus'' Muchmore, 1996 * '' T. tekauriensis'' Moyle, 1989 * '' T. tenuis'' Chamberlin, 1995 * '' T. terribilis'' (With, 1906) ** '' T. t. malaccensis'' Beier, 1952 ** '' T. t. terribilis'' (With, 1906) * '' T. texanus'' Muchmore, 1992 * '' T. tlilapanensis'' Muchmore, 1986 * '' T. torodei'' Muchmore, 1996 * '' T. troglobius'' Muchmore, 1969 * '' T. troglodytes'' Muchmore, 1986 * '' T. troglophilus'' (Beier, 1968) * '' T. umidus'' Hou, Feng & Zhang, 2023 * '' T. vampirorum'' Muchmore, 1986 * '' T. volcancillo'' Muchmore, 1986 * '' T. volcanus'' Muchmore, 1977 * '' T. wittei'' Beier, 1955 * '' T. wlassicsi'' (Daday, 1897) * '' T. yanshanensis'' Hou, Feng & Zhang, 2023 * '' T. zhai'' Gao, Zhang and Chen, 2020 * '' T. zonatus'' (Beier, 1964)

References

{{Taxonbar, from1= Q10707557 Pseudoscorpion genera Taxa named by Joseph Conrad Chamberlin