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Diploperculata

Eurypterida

Synonymy list
YearName and author
2013Diploperculata Dunlop et al. p. 21
2013Diploperculata Lamsdell et al. p. 360
2013Diploperculata Lamsdell et al. p. 148
2020Diploperculata Dunlop et al. p. 20
2025Diploperculata Lamsdell

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
Deuteropoda
subphylumChelicerataHeymons 1901
orderEurypteridaHuxley 1857
suborderEurypterinaNovojilov 1962
infraorderDiploperculata
infraorderDiploperculata

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.

Infraor. †Diploperculata Lamsdell et al. 2013
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Superfm. †Adelophthalmoidea Tollerton 1989
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Fm. †Adelophthalmidae Tollerton 1989
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G. †Adelophthalmus Jordan and von Mayer 1854
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Subg. †Adelophthalmus (Eurypterus) Jordan 1854
Adelophthalmus approximatus Hall and Clarke 1888
Adelophthalmus asturica Melendez 1971
Adelophthalmus cambieri Pruvost 1930
Adelophthalmus carbonarius Chernyshev 1933
Adelophthalmus chinensis Grabau 1920
Adelophthalmus corneti Pruvost 1939
Adelophthalmus douvillei De Lima 1890
Adelophthalmus dubius Shpinev 2012
Adelophthalmus dumonti Stainier 1917
Adelophthalmus granosus von Meyer 1853
Adelophthalmus imhofi Reuss 1855
Adelophthalmus irinae Shpinev 2006
Adelophthalmus lohesti Dewalque 1889
Adelophthalmus luceroensis Kues and Kietzke 1981
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Invalid names: Eurypterus stylus Hall 1884 [synonym]
Adelophthalmus mazonensis Meek and Worthen 1868
Adelophthalmus moyseyi Woodward 1907
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Invalid names: Eurypterus derbiensis Woodward 1907 [synonym]
Adelophthalmus piussii Lamsdell et al. 2013
Adelophthalmus pruvosti Kjellesvig-Waering 1948
Adelophthalmus pyrrhae Lamsdell et al. 2004
Adelophthalmus raniceps Goldenberg 1873
Adelophthalmus sellardsi Dunbar 1924
Adelophthalmus sievertsi Poschmann 2006
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Invalid names: Eurypterus trapezoides Størmer 1974 [synonym]
Adelophthalmus waterstoni Tetlie et al. 2004
Adelophthalmus wilsoni Woodward 1888
Adelophthalmus zadrai Pribyl 1952
Invalid names: Anthraconectes Meek and Worthen 1868 [synonym], Lepidoderma Reuss 1855 [synonym], Polyzosterites Goldenberg 1873 [synonym]
G. †Selkiepterella Lamsdell 2025
G. †Unionopterus Chernyshev 1948
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Unionopterus anastasiae Chernyshev 1948
G. †Weidopterus Poschmann 2015
Fm. †Nanahughmilleriidae Lamsdell 2025
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G. †Nanahughmilleria Kjellesvig-Waering 1961
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Invalid names: Eurypterus minutus Kiaer 1911 [synonym]
Fm. †Parahughmilleriidae Lamsdell 2025
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G. †Parahughmilleria Kjellesvig-Waering 1961
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Parahughmilleria fuea Ma et al. 2023
Parahughmilleria hefteri Stormer 1973
Parahughmilleria longa Shpinev 2012
Parahughmilleria salteri Kjellesvig-Waering 1961
Parahughmilleria statzi Stormer 1936
G. †Pruemopterus Poschmann 2021
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Pruemopterus salgadoi Poschmann 2021
Fm. †Pittsfordipteridae Lamsdell 2025
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G. †Archopterus Wang et al. 2023
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Archopterus anjiensis Wang et al. 2023
G. †Bassipterus Kjellesvig-Waering and Leutze 1966
G. †Pittsfordipterus Kjellesvig-Waering and Leutze 1966
Superfm. †Carcinosomatoidea Stoermer 1934
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Fm. †Carcinosomatidae Stormer 1934
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G. †Carcinosoma Claypole 1890
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Carcinosoma newlini Claypole 1890
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Invalid names: Carcinosoma ingens Claypole 1894 [synonym]
Carcinosoma scorpioides Woodward 1868
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Invalid names: Pterygotus raniceps Woodward 1869 [synonym]
Carcinosoma scoticus Laurie 1899
Invalid names: Eurysoma Claypole 1890 [synonym]
G. †Cruinnopterus Lamsdell 2025
G. †Eusarcana Strand 1942
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Eusarcana acrocephalus Semper 1898
Eusarcana obesus Woodward 1868
Eusarcana scorpionis Grote and Pitt 1875
Invalid names: Eusarcus Grote and Pitt 1875 [synonym], Paracarcinosoma [synonym]
G. †Holmipterus Kjellesvig-Waering 1979
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Holmipterus suecicus Kjellesvig-Waering 1979
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Rhinocarcinosoma dosonensis Braddy et al. 2002
Fm. †Lanarkopteridae Tollerton 1989
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G. †Terropterus Wang et al. 2021
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Terropterus xiushanensis Wang et al. 2021
Fm. †Megalograptidae Caster and Kjellesvig-Waering 1955
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G. †Echinognathus Walcott 1882
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Echinognathus clevelandi Walcott 1882
G. †Megalograptus Miller 1874
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Megalograptus alveolatus Shuler 1915
Megalograptus ohioensis Caster and Kjellesvig-Waering 1964
Megalograptus shideleri Caster and Kjellesvig-Waering 1964
Megalograptus welchi Miller 1874
Megalograptus williamsae Caster and Kjellesvig-Waering 1964
G. †Pentecopterus Lamsdell et al. 2015
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Pentecopterus decorahensis Lamsdell et al. 2015
Fm. †Mixopteridae Caster and Kjellesvig-Waering 1955
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G. †Mixopterus Ruedemann 1921
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Mixopterus kiaeri Størmer 1934
Invalid names: Mixopteroidea Caster and Kjellesvig-Waering 1955 [synonym]
Superfm. †Pterygotoidea Clarke and Ruedemann 1912
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Fm. †Ciurcopteridae Lamsdell 2025
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G. †Ciurcopterus Tetlie and Briggs 2009
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Ciurcopterus sarlei Ciurca and Tetlie 2007
Ciurcopterus ventricosus Kjellesvig-Waering 1948
Fm. †Herefordopteridae Lamsdell 2025
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G. †Herefordopterus Tetlie 2006
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Herefordopterus banksii Salter 1856
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Invalid names: Eurypterus acuminatus Salter 1859 [synonym]
Fm. †Hughmilleriidae Kjellesvig-Waering 1951
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G. †Hughmilleria Kjellesvig-Waering 1951
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Subg. †Hughmilleria (Nanahughmilleria) Kjellesvig-Waering 1961
Hughmilleria lata Størmer 1934
Hughmilleria norvegica Kiaer 1911
Hughmilleria socialis Sarle 1903
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Invalid names: Hughmilleria robusta Sarle 1903 [synonym]
Hughmilleria wangi Tetlie et al. 2007
Fm. †Hunanopteridae Lamsdell 2025
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G. †Hunanopterus Lamsdell 2025
Fm. †Pterygotidae Clarke and Ruedemann 1912
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G. †Acutiramus Ruedemann 1935
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Acutiramus bohemicus Barrande 1872
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Invalid names: Pterygotus blahai Semper 1898 [synonym], Pterygotus comes Barrande 1872 [synonym], Pterygotus mediocris Barrande 1872 [synonym]
Acutiramus cummingsi Grote and Pitt 1875
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Invalid names: Pterygotus acuticaudatus Pohlman 1882 [synonym], Pterygotus buffaloensis Pohlman 1881 [synonym], Pterygotus quadraticaudatus Pohlman 1882 [synonym]
Acutiramus floweri Kjellesvig-Waering and Caster 1955
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Invalid names: Pterygotus juvenis Clarke and Ruedemann 1912 [synonym], Pterygotus osborni Hall 1859 [synonym]
Acutiramus nobilis Kjellesvig-Waering 1964
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Invalid names: Pterygotus nobilis Barrande 1872 [replaced]
Acutiramus perneri Chlupac 1994
Acutiramus perryensis Leutze 1958
Acutiramus suwanneensis Kjellesvig-Waering 1955
Invalid names: Bunodella Matthew 1889 [synonym]
G. †Erettopterus Salter 1859
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Erettopterus bilobus Salter 1856
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Invalid names: Pterygotus perornatus Salter 1856 [synonym]
Erettopterus brodiei Kjellesvig-Waering 1961
Erettopterus canadensis Dawson 1878
Erettopterus exophthalmus Kjellesvig-Waering and Leutze 1966
Erettopterus gigas Salter 1859
Erettopterus globiceps Clarke and Ruedemann 1912
Erettopterus grandis Pohlman 1881
Erettopterus laticauda Schmidt 1883
Erettopterus marstoni Kjellesvig-Waering 1961
Erettopterus megalodon Kjellesvig-Waering 1961
Erettopterus osiliensis Schmidt 1883
Erettopterus qujingensis Ma et al. 2022
Erettopterus salweyi Woodward 1871
Erettopterus serratus Kjellesvig-Waering 1961
Erettopterus serricaudatus Kjellesvig-Waering 1979
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Invalid names: Erettopterus carinatus Kjellesvig-Waering 1979 [synonym]
Erettopterus spatulatus Kjellesvig-Waering 1961
Erettopterus waylandsmithi Kjellesvig-Waering and Caster 1955
Invalid names: Himantopterus Salter 1856 [replaced], Necrogammarus [synonym], Truncatiramus [synonym]
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Jaekelopterus howelli Kjellesvig-Waering and Stoermer 1952
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Invalid names: Pterygotus mcgrewi Kjellesvig-Waering and Richardson 1986 [synonym]
Jaekelopterus marylandicus Kjellesvig-Waering 1964
Jaekelopterus rhenaniae Jaekel 1914
G. †Pterygotus Agassiz 1844
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Pterygotus anglicus Agassiz 1844
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Invalid names: Pterygotus atlanticus Clarke and Ruedemann 1912 [synonym], Pterygotus minor Woodward 1864 [synonym]
Pterygotus arcuatus Salter 1859
Pterygotus barrandei Semper 1898
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Invalid names: Pterygotus beraunensis Semper 1898 [synonym]
Pterygotus carmani Kjellesvig-Waering 1961
Pterygotus cobbi Hall 1859
Pterygotus denticulatus Kjellesvig-Waering 1961
Pterygotus fissus Seemann 1906
Pterygotus floridanus Kjellesvig-Waering 1950
Pterygotus gaspesiensis Russell 1954
Pterygotus grandidentatus Kjellesvig-Waering 1961
Pterygotus holmi Størmer 1934
Pterygotus kopaninensis Barrande 1872
Pterygotus lightbodyi Kjellesvig-Waering 1961
Pterygotus ludensis Salter 1859
Pterygotus ventricosus Kjellesvig-Waering 1948
Pterygotus vogti Størmer 1934
Pterygotus wanggaii Ma et al. 2023
Invalid names: Curviramus Ruedemann 1935 [synonym], Pterygotus (Pterygotus) Agassiz 1845 [invalid subgroup], Pterygotus siemiradzkii Strand 1926 [nomen dubium]
Invalid names: Jaekelopteridae Stoermer 1974 [synonym]
Fm. †Slimoniidae Novojilov 1962
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G. †Salteropterus Kjellesvig-Waering 1951
G. †Slimonia Page 1856
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Slimonia acuminata Salter 1856
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Invalid names: Himantopterus maximus Salter 1856 [synonym]
Slimonia dubia Laurie 1899
Invalid names: Hughmilleroidea Kjellesvig-Waering 1951 [synonym]
Superfm. †Waeringopteroidea Lamsdell 2025
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Fm. †Waeringopteridae Lamsdell 2025
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G. †Eysyslopterus Tetlie and Poschmann 2008
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Eysyslopterus patteni Tetlie and Poschmann 2008
G. †Grossopterus Størmer 1934
G. †Orcanopterus Stott et al. 2005
G. †Waeringopterus Leutze 1961
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Invalid names: Eurypterus swartzi Kjellesvig-Waering 1958 [synonym]
Invalid names: Pterygotioidea Clarke and Ruedemann 1912 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Vision: well-developedo
Created: 2004-09-24 08:12:58
Modified: 2010-02-05 01:21:51
Source: o = order
Reference: Aberhan et al. 2004

Age range: base of the Darriwilian to the top of the Artinskian or 469.40000 to 283.30000 Ma

Collections (214 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Darriwilian469.4 - 458.2USA (Iowa) Pentecopterus decorahensis (225212)
Caradoc458.2 - 449.5USA (Virginia) Megalograptus alveolatus (204960)
Katian452.8 - 445.2USA (New York) Echinognathus clevelandi (204767)
Katian452.8 - 445.2USA (Ohio) Megalograptus ohioensis (204962) Megalograptus shideleri (204963) Megalograptus welchi (204994) Megalograptus williamsae (204993)
Katian452.8 - 445.2China (Shaanxi) Pterygotidae sp. (276236)
Edenian451.0 - 450.2USA (Pennsylvania) Megalograptus sp. (34895)
Richmondian - Ashgill449.6 - 443.1USA (Ohio) Megalograptus sp. (392 393)
Llandovery443.1 - 432.9Canada (Ontario) Carcinosoma libertyi (13854)
Llandovery443.1 - 432.9United Kingdom (Scotland) Carcinosoma scoticum, Nanahughmilleria conica, Slimonia dubia (26885)
Llandovery443.1 - 432.9USA (Pennsylvania) Hughmilleria shawangunk, Parahughmilleria maria, Erettopterus globiceps (12765)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Gzhelian303.7 - 298.9USA (New Mexico) Adelophthalmus luceroensis (149704)
Gzhelian303.7 - 298.9USA (Kansas) Adelophthalmus sp. (225446)
Gzhelian303.7 - 298.9USA (Nebraska) Adelophthalmus nebraskensis (225376)
Gzhelian303.7 - 298.9Portugal (Aveiro) Eurypterus douvillei (225370)
Virgilian303.7 - 298.9USA (New Mexico) Adelophthalmus sp. (231880)
Gzhelian - Asselian303.7 - 293.52China (Hebei) Adelophthalmus chinensis (231830)
Stephanian B301.4 - 300.9Czechia Adelophthalmus sp. (155303)
Asselian298.9 - 293.52USA (Pennsylvania) Adelophthalmus mansfieldi (225381)
Artinskian290.1 - 283.3USA (Kansas) Adelophthalmus sellardsi (111219)
Artinskian290.1 - 283.3USA (Oklahoma) Adelophthalmus sellardsi (225320)