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Chelicerata

Synonyms
Synonymy list
YearName and author
1901Chelicerata Heymons
1906Limulus nathorsti Jackson p. 1 fig. 1,2
1992Chelicerata Bengtson p. 1022
2002Chelicerata Sutton et al. p. 1198
2003Chelicerata Dunlop et al. p. 222
2004Chelicerata Siveter et al. p. 978
2012Chelicerata Nielsen p. 240 figs. Fig. 44.2
2016Chelicerata Lamsdell p. 185
2016Chelicerata Ortega-Hernández

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
RankNameAuthor
Panarthropoda
phylumArthropodaLatreille 1829
Deuteropoda
subphylumChelicerataHeymons 1901
subphylumChelicerataHeymons 1901

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.

Subph. Chelicerata Heymons 1901
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Unr. Euchelicerata Weygoldt and Paulus 1979
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G. †Dibasterium Briggs et al. 2012
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Dibasterium durgae Briggs et al. 2012
G. †Houia Selden et al. 2015
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Houia yueya Lamsdell et al. 2013
G. †Polystomurum Novojilov 1958
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Polystomurum stormeri Novojilov 1958
Unr. Prosomapoda Lamsdell 2013
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G. †Anderella Moore et al. 2007
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Anderella parva Moore et al. 2007
G. †Borchgrevinkium Novojilov 1958
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Borchgrevinkium taimyrensis Novojilov 1959
G. †Camanchia Moore et al. 2011
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Camanchia grovensis Moore et al. 2011
G. †Legrandella Eldredge 1974
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Legrandella lombardii Eldredge 1974
Unr. Planaterga Lamsdell 2013
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G. †Bembicosoma Laurie 1899
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Bembicosoma pomphicus Laurie 1899
G. †Bunaia Clarke 1919
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Bunaia heintzi Størmer 1934
G. †Bunodes Eichwald 1859
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Bunodes lunula Eichwald 1854
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Invalid names: Bunodes rugosus Eichwald 1854 [synonym], Exapinurus schrenki Nieszkowski 1859 [synonym]
Invalid names: Exapinurus Nieszkowski 1859 [synonym]
G. †Cyamocephalus Currie 1927
Unr. Dekatriata Lamsdell 2013
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Or. †Chasmataspidida Caster and Brooks 1956
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Invalid names: Diploaspidida Simonetta and Delle Cave 1978 [synonym]
Unr. Sclerophorata Kamenz et al. 2011
G. †Pseudoniscus Nieszkowski 1859
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Invalid names: Neolimulus Woodward 1868 [synonym]
G. †Venustulus Moore 2005
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Fm. †Weinberginidae Richter 1929
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G. †Weinbergina Richter and Richter 1929
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Weinbergina opitzi Richter and Richter 1929
Cl. Xiphosura Latreille 1802
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Fm. †Kasibelinuridae Pickett 1993
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G. †Kasibelinurus Pickett 1993
G. †Pickettia Bicknell et al. 2019
Invalid names: Elleriidae Raymond 1944 [synonym]
G. †Lunataspis Rudkin et al. 2008
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Lunataspis aurora Rudkin et al. 2008
G. †Maldybulakia Tesakov and Alekseev 1998
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Maldybulakia angusi Edgecombe 1998
Maldybulakia malcolmi Edgecombe 1998
Invalid names: Lophodesmus Tesakov and Alekseev 1992 [replaced]
G. †Micrichnus Abel 1926
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Micrichnus scotti Abel 1926
Invalid names: Artiodactylus Abel 1935 [synonym]
G. †Patesia Bicknell and Smith 2021
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Patesia randalli Beecher 1902
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Invalid names: Belinurus alleganyensis Eller 1938 [synonym]
G. †Willwerathia Størmer 1969
Or. Xiphosurida Latreille 1802
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Subor. †Belinurina Bergström 1975
Subor. Limulina Richter and Richter 1929
Invalid names: Bellinurina Zittel and Eastman 1913 [empty], Omoptilus Pruvost 1919 [nomen dubium], Omoptilus hispidus Pruvost 1919 [nomen dubium], Paleolimuloidea Anderson and Selden 1997 [empty]
Invalid names: Gnathopoda Straus-Durkheim 1829 [synonym], Merostomata Dana 1852 [synonym], Poecilopoda Claus 1868 [synonym], Xyphosures Latrielle 1802 [synonym]
Invalid names: Synziphosurina Packard 1886 [invalid subgroup]
G. †Thurandina Størmer 1974
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Thurandina waterstoni Stoermer 1974
G. †Titanoprosoma Bicknell et al. 2024
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Titanoprosoma edgecombei Bicknell et al. 2024
G. †Gumatagichnus Gabuniya et al. 1988
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Gumatagichnus unguliformis Gabuniya et al. 1988
Or. †Habeliida Aria and Caron 2017
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G. †Messorocaris Lerosey-Aubril and Skabelund 2018
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Messorocaris magna Lerosey-Aubril and Skabelund 2018
Or. †Mollisoniida Lerosey-Aubril et al.
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Fm. †Mollisoniidae Simonetta and Della Cava 1975
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G. †Mollisonia Walcott 1912
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Mollisonia symmetrica Walcott 1912
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Invalid names: Mollisonia rara Walcott 1912 [synonym]
Invalid names: Houghtonites Raymond 1931 [synonym]
G. †Thelxiope
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Thelxiope holmani Lerosey-Aubril et al. 2020
Thelxiope palaeothalassia Simonetta and Delle Cave 1975
Thelxiope spinosa Conway Morris and Robison 1988
Invalid names: Ecnomocaris Conway Morris and Robison 1988 [synonym], Parahabelia Simonetta 1964 [replaced]
G. †Urokodia
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Urokodia aequalis Hou et al. 1989
Fm. †Offacolidae Sutton et al. 2002
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G. †Offacolus Orr et al. 2000
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Offacolus kingi Orr et al. 2000
G. †Sanctacaris Briggs and Collins 1988
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Sanctacaris uncata Briggs and Collins 1988
Invalid names: Limulus nathorsti Jackson 1906 [nomen dubium]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Locomotion: actively mobilep
Created: 2004-02-29 09:38:49
Modified: 2004-02-29 11:38:49
Source: p = phylum
Reference: Kiessling 2004

Age range

Maximum range based only on fossils: base of the Atdabanian to the top of the Holocene or 521.00000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 516.0 Ma

Collections (1214 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Early/Lower Cambrian538.8 - 509.0Sweden (Öland) Eolimulus alata (210576)
Atdabanian521.0 - 516.0China (Yunnan) Urokodia aequalis (68083 86846) Urokodia sp. (86929)
Nangaoian521.0 - 514.0China (Yunnan) Urokodia aequalis (194143 194153 194155)
Nangaoian521.0 - 514.0China (Hubai) Mollisonia sp. (219687)
Delamaran511.2 - 506.5Canada (British Columbia) Mollisonia sp. (84426 84427 84428)
Middle Cambrian509.0 - 497.0Canada (British Columbia) Mollisonia sp. (171308)
Middle Cambrian509.0 - 497.0Canada (Brithish Columbia) Mollisonia sp. (188664) Sanctacaris uncata (188662)
Middle Cambrian509.0 - 497.0USA (Utah) Mollisonia symmetrica (80122 80127)
Marjumian504.5 - 497.0USA (Utah) Messorocaris magna (80125 228654) Messorocaris magna, Thelxiope holmani, Thelxiope spinosa, Mollisonia symmetrica (230682)
Franconian497.0 - 485.4USA (Idaho) Merostomata indet. (184601)
Tremadoc486.5 - 477.7USA (Montana) Merostomata indet. (275)
Tulean480.8 - 474.9USA (Montana) Merostomata indet. (287)
Floian477.7 - 470.0Morocco Thelxiope sp. (96113)
Llanvirn468.0 - 458.4USA (Tennessee) Chasmataspis laurencii (37450)
Darriwilian467.3 - 458.4USA (Iowa) Pentecopterus decorahensis (225212)
Darriwilian467.3 - 458.4United Kingdom (Wales) Xiphosura indet. (230215)
Sarka466.0 - 466.0Czech Republic Archeolimulus sp. (3857)
Sandbian458.4 - 453.0United Kingdom (Wales) Brachyopterus stubblefieldi (206522)
Caradoc458.4 - 449.5USA (Virginia) Megalograptus alveolatus (204960)
Blackriveran457.3 - 449.6USA (New York) Eurypterida indet. (328)