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.^[1] Chthoniidae now includes the former families Tridenchthoniidae, and Lechytiidae which has been demoted to subfamilies.^[2]

Chthoniidae Temporal range: Cretaceous–present PreꞒ Ꞓ O S D C P T J K Pg N
Chthonius sp.
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Order:	Pseudoscorpiones
Superfamily:	Chthonioidea
Family:	Chthoniidae Daday, 1888
Genera
See text
Diversity
c. 30 genera, > 600 species
Synonyms
Chthonidae

Genera

For a list of all currently described species see List of Chthoniidae species.

• Aphrastochthonius J. C. Chamberlin, 1962 — Mexico, southern US, Guatemala, Cuba
• Apochthonius J. C. Chamberlin, 1929 — North America
• Austrochthonius J. C. Chamberlin, 1929 — South America, Australia, New Zealand
• Caribchthonius Muchmore, 1976 — Caribbean
• Chiliochthonius Vitali-di Castri, 1975 — Chile
• Chthonius C. L. Koch, 1843 — Europe to Iran, North Africa, Balearic Islands, USA; one cosmopolitan species
• Congochthonius Beier, 1959 — Zaire
• Drepanochthonius Beier, 1964 — Chile
• Ephippiochthonius Beier, 1930
• Francochthonius Vitali-di Castri, 1975 — Chile
• Kleptochthonius J. C. Chamberlin, 1949 — USA
• Lagynochthonius Beier, 1951 — Australasia, Africa
• Malcolmochthonius Benedict, 1978 — USA
• Maorichthonius J. C. Chamberlin, 1925 — New Zealand
• Mexichthonius Muchmore, 1975 — Mexico, Texas
• Mundochthonius J. C. Chamberlin, 1929 — Eurasia, Dominican Republic, North America
• Neochthonius J. C. Chamberlin, 1929 — California, Romania (?)
• Paraliochthonius Beier, 1956 — Europe, Africa, Australia, Florida, several islands
• Pseudochthonius Balzan, 1892 — South, Central America, Africa
• Sathrochthoniella Beier, 1967 — New Zealand
• Sathrochthonius J. C. Chamberlin, 1962 — Australia to New Caledonia, South America
• Spelyngochthonius Beier, 1955 — Sardinia, Spain, France
• Stygiochthonius Carabajal Marquez, Garcia Carrillo & Rodriguez Fernandez, 2001 — Spain
• Troglochthonius Beier, 1939 — Italy, Yugoslavia
• Tyrannochthoniella Beier, 1966 — New Zealand
• Tyrannochthonius J. C. Chamberlin, 1929 — Brazil to southern USA, Australasia, Africa, Hawaii
• Vulcanochthonius Muchmore, 2000 — Hawai'i
• †Weygoldtiella Harvey et al., 2018 — Burmese amber, Myanmar Cenomanian
• †Prionochthonius — Burmese amber, Myanmar Cenomanian

Tridenchthoniinae

• Anaulacodithella — Southern Africa, Australia, New Caledonia
• † Chelignathus
• Compsaditha — Africa, South America, South and Southeast Asia, Seychelles
• Cryptoditha — South America
• Ditha — Africa, Southeast Asia, Oceania
• Dithella — Southeast Asia
• Haploditha — South America
• Heterolophus — Australia, South America
• Neoditha — South America
• Pycnodithella — Africa, Australia
• Sororoditha — South America
• Tridenchthonius — Africa, South and Central America
• Typhloditha — Africa
• Verrucaditha — North America
• Verrucadithella — Africa, South America

Lechytiinae

• Lechytia Balzan, 1892 Worldwide