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Chthonioidea

Arachnida - Pseudoscorpiones

Taxonomy
Chthonioidea was named by Daday (1889). It is extant.

It was assigned to Epiochierata by Dunlop et al. (2013); and to Heterosphyronida by Benavides et al. (2019).

Synonymy list
YearName and author
1889Chthonioidea Daday
2013Chthonioidea Dunlop et al. p. 49
2019Chthonioidea Benavides et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaLatreille 1829
—Deuteropoda
subphylumChelicerataHeymons 1901
—EuchelicerataWeygoldt and Paulus 1979
RankNameAuthor
—Prosomapoda
—Planaterga
—Dekatriata
—SclerophorataKamenz et al. 2011
classArachnidaLamarck 1801
—HaplocnemataBorner 1904
orderPseudoscorpionesLatreille 1817
suborderHeterosphyronidaChamberlin 1929
superfamilyChthonioideaDaday 1889
superfamilyChthonioideaDaday 1889

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Superfm. Chthonioidea Daday 1889
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Fm. Chthoniidae Daday 1889
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Subfm. Chthoniinae Daday 1889
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G. †Prionochthonius Wriedt et al. 2021
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†Prionochthonius burmiticus Wriedt et al. 2021
Tr. Tyrannochthoniini Chamberlin 1962
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G. †Burmeochthonius Johnson et al. 2022
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†Burmeochthonius kachinae Johnson et al. 2022
†Burmeochthonius muelleri Johnson et al. 2022
G. Paraliochthonius Beier 1956
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†Paraliochthonius miomaya Judson 2016
G. Tyrannochthonius Chamberlin 1929
G. †Weygoldtiella Harvey et al. 2018
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†Weygoldtiella plausus Harvey et al. 2018
G. Chthonius Koch 1843
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Subg. Chthonius (Chthonius) Koch 1843
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†Chthonius marusiki Turbanov et al. 2024
Subfm. Lechytiinae Chamberlin 1929
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G. Lechytia Balzan 1891
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†Lechytia finniae Hagen et al. 2025
†Lechytia tertiaria Schawaller 1980
G. Pseudochthonius Balzan 1892
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†Pseudochthonius squamosus Schawaller 1980
Subfm. Tridenchthoniinae Balzan 1892
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G. †Chelignathus Menge 1854
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†Chelignathus kochii Menge 1854
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G. Allochthonius Chamberlin 1929
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†Allochthonius balticus Schwarze et al. 2022
G. Centrochthonius Beier 1931
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†Centrochthonius bitterfeldicus Schwarze et al. 2022
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: chitinc
Grouping: solitaryc
Environment: terrestrialc
Locomotion: actively mobilec
Created: 2017-04-17 09:55:58
Modified: 2017-04-17 09:55:58
Source: c = class
Reference: Bush and Bambach 2015

Age range

Maximum range based only on fossils: base of the Early/Lower Cenomanian to the top of the Holocene or 100.50000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 93.9 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Cenomanian100.5 - 93.9Myanmar Burmeochthonius kachinae (229493) Prionochthonius burmiticus, Burmeochthonius sp., Burmeochthonius muelleri, Lechytia finniae (172900) Weygoldtiella plausus (165561)
Priabonian37.71 - 33.9Russian Federation (Kaliningrad) Allochthonius balticus (110735) Chelignathus kochi (123771) Chthonius pristinus (120814)
Priabonian37.71 - 33.9Germany (Halle) Centrochthonius bitterfeldicus (129228)
Priabonian37.71 - 33.9Ukraine Chthonius marusiki (113621)
Priabonian37.71 - 33.9Poland Chelignathus kochii, Chthonius mengei (120811)
Early/Lower Miocene23.04 - 15.98Mexico (Chiapas) Paraliochthonius miomaya (125758) Tyrannochthonius sp. (123456)
Burdigalian - Langhian20.45 - 13.82Dominican Republic Lechytia tertiaria, Pseudochthonius squamosus (122474)
Hemingfordian18.5 - 16.3USA (California) Chthoniidae indet., Lechytia sp. (138761)
Holocene0.0117 - 0.0Madagascar Tyrannochthonius sp. (147603)