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Euchelicerata

Taxonomy
Euchelicerata was named by Weygoldt and Paulus (1979). It is extant.

It was assigned to Chelicerata by Dunlop et al. (2003), Lamsdell (2013) and Dunlop et al. (2020).

Sister taxa
Prosomapoda

Synonymy list
YearName and author
1979Euchelicerata Weygoldt and Paulus
2003Euchelicerata Dunlop et al. p. 222
2013Euchelicerata Lamsdell p. 19
2020Euchelicerata Dunlop et al. p. 8

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
Deuteropoda
subphylumChelicerataHeymons 1901
EuchelicerataWeygoldt and Paulus 1979
EuchelicerataWeygoldt and Paulus 1979

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.

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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Fm. †Chasmataspididae Caster and Brooks 1956
Fm. †Diploaspididae Stormer 1972
G. †Kiaeria Stoermer 1934
Invalid names: Chasmataspidacea Caster and Brooks 1956 [empty], Diploaspidida Simonetta and Delle Cave 1978 [synonym], Heteroaspididae Størmer 1972 [empty]
Unr. Sclerophorata Kamenz et al. 2011
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Cl. Arachnida Lamarck 1801
Or. †Eurypterida Burmeister 1843 [eurypterid]
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Invalid names: Cyrtoctenida Stoermer and Waterston 1968 [synonym], Gigantostraca Haeckel 1896 [synonym]
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
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Kasibelinurus amicorum Pickett 1993
G. †Pickettia Bicknell et al. 2019
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Pickettia carteri Eller 1940
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
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Fm. †Belinuridae Zittel and Eastman 1913
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Invalid names: Euproopidae Eller 1938 [synonym], Liomesaspididae Raymond 1944 [synonym]
Superfm. †Eolimulacea Bergström 1968
Invalid names: Belinuracea Zittel and Eastman 1913 [invalid subgroup], Euproopacea Eller 1938 [invalid subgroup]
Subor. Limulina Richter and Richter 1929
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Invalid names: Neobelinuropsis Eller 1938 [objective synonym]
Superfm. Limuloidea Leach 1819
Fm. †Paleolimulidae Raymond 1944
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Invalid names: Moravuridae Přibyl 1967 [synonym]
Fm. †Rolfeiidae Selden and Siveter 1987
Invalid names: Limulacea Leach 1819 [empty]
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
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 Early/Lower Cambrian to the top of the Holocene or 538.80000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 509.0 Ma

Collections (1192 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Early/Lower Cambrian538.8 - 509.0Sweden (Öland) Eolimulus alata (210576)
Franconian497.0 - 485.4USA (Idaho) Merostomata indet. (184601)
Tremadoc486.5 - 477.7USA (Montana) Merostomata indet. (275)
Tulean480.8 - 474.9USA (Montana) Merostomata indet. (287)
Llanvirn468.0 - 458.4USA (Tennessee) Chasmataspis laurencii (37450)
Darriwilian467.3 - 458.4United Kingdom (Wales) Xiphosura indet. (230215)
Darriwilian467.3 - 458.4USA (Iowa) Pentecopterus decorahensis (225212)
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)
Katian453.0 - 445.2USA (Ohio) Megalograptus ohioensis (204962) Megalograptus shideleri (204963) Megalograptus welchi (204994) Megalograptus williamsae (204993)
Katian453.0 - 445.2Canada (Manitoba) Lunataspis aurora (216760 216761)
Katian453.0 - 445.2Turkey Paraeurypterus anatoliensis (184932)
Katian453.0 - 445.2USA (New York) Echinognathus clevelandi (204767)
Edenian451.0 - 450.2USA (Pennsylvania) Megalograptus sp. (34895)
Richmondian - Ashgill449.6 - 443.7USA (Ohio) Megalograptus sp. (392 393)
Hirnantian445.2 - 443.4South Africa Onychopterella augusti (26994)
Silurian443.8 - 419.2USA (New York) Carcinosoma sp. (10455) Eurypterus remipes, Pterygotus sp. (10456) Nanahughmilleria prominens (13852) Waeringopterus apfeli (10454)
Silurian443.8 - 419.2USA (Pennsylvania) Erettopterus globiceps, Hughmilleria shawangunk, Nanahughmilleria clarkei, Parahughmilleria maria, Rhinocarcinosoma cicerops, Kiaeropterus otisius, Ruedemannipterus stylonuroides, Ctenopterus cestrotus, Hardieopterus myops (12763)