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Eurypterina

Eurypterida

Taxonomy
Eurypterina was named by Novojilov (1962).

It was assigned to Eurypterida by Braddy et al. (1995), Tetlie (2002), Brauckmann et al. (2003), Tetlie (2006), Dunlop et al. (2013), Dunlop et al. (2020), Lamsdell (2025).

Subtaxa
Alkenopteroidea, Diploperculata, Dolichopteroidea, Eurypteroidea, Megalograptoidea, Moselopteroidea, Onychopterelloidea, Wiedopterus
Entered
by M. Clapham on 2013-12-30; modified by R. Plotnick on 2025-06-30

Synonymy list
YearName and author
1962Eurypterina Novojilov
1995Eurypterina Braddy et al. p. 576
2002Eurypterina Tetlie p. 39
2003Eurypterina Brauckmann et al. p. 58
2006Eurypterina Tetlie p. 399
2013Eurypterina Dunlop et al. p. 19
2020Eurypterina Dunlop et al. p. 20
2025Eurypterina Lamsdell

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

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.

Subor. †Eurypterina Novojilov 1962
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Superfm. †Alkenopteroidea Poschmann and Tetlie 2004
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Fm. †Alkenopteridae Poschmann and Tetlie 2004
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G. †Alkenopterus Størmer 1974
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†Alkenopterus brevitelson Størmer 1974
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]
Superfm. †Dolichopteroidea Kjellesvig-Waering and Størmer 1952
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Fm. †Dolichopteridae Kjellesvig-Waering and Stormer 1952
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G. †Clarkeipterus Kjellesvig-Waering 1966
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†Clarkeipterus otisius Tetlie et al. 2007
†Clarkeipterus testudineus Clarke and Ruedemann 1912
G. †Dolichopterus Hall 1859
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†Dolichopterus asperatus Kjellesvig-Waering 1961
†Dolichopterus gotlandicus Kjellesvig-Waering 1979
†Dolichopterus herkimerensis Caster and Kjellesvig-Waering 1956
†Dolichopterus jewetti Caster and Kjellesvig-Waering 1956
G. †Malongia Wang et al. 2022
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†Malongia mirabilis Wang et al. 2022
G. †Paraeurypterus Lamsdell et al. 2013
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†Paraeurypterus anatoliensis Lamsdell et al. 2013
G. †Pentlandopterus Lamsdell et al. 2013
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†Pentlandopterus minor Laurie 1899
G. †Ruedemannipterus Kjellesvig-Waering 1966
Fm. †Erieopteridae Tollerton 1989
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Fm. †Strobilopteridae Lamsdell 2025
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G. †Barusopterus Lamsdell 2025
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†Barusopterus limuloides Kjellesvig-Waering 1948
G. †Buffalopterus Kjellesvig-Waering and Heubusch 1962
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Invalid names: Eurypterus giganteus Pohlman 1882 [synonym], Pterygotus globicaudatus Pohlman 1882 [synonym]
G. †Strobilopterus Ruedemann 1935
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†Strobilopterus laticeps Schmidt 1883
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Invalid names: Dolichopterus stoermeri Caster and Kjellesvig-Waering 1956 [synonym]
†Strobilopterus princetonii Ruedemann 1934
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Invalid names: Erieopterus latus Ruedemann 1935 [synonym]
†Strobilopterus richardsoni Kjellesvig-Waering 1961
Invalid names: Syntomopterella Tetlie 2007 [synonym], Syntomopterus Kjellesvig-Waering 1961 [synonym]
Superfm. †Eurypteroidea Burmeister 1843
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Fm. †Eurypteridae Burmeister 1845
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G. †Eurypterus De Kay 1825
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Subg. †Eurypterus (Adelophthalmus) Meek and Worthen 1868
Subg. †Eurypterus (Anthraconectes) Meek and Worthen 1868
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†Eurypterus (Anthraconectes) mazonensis Meek and Worthen 1868
†Eurypterus cephalaspis Salter 1856
†Eurypterus dekayi Hall 1859
†Eurypterus hankeni Tetlie 2006
†Eurypterus henningsmoeni Tetlie 2002
†Eurypterus laculatus Kjellesvig-Waering 1958
†Eurypterus lacustris Harlan 1834
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Invalid names: Eurypterus pachycheirus Hall 1859 [synonym], Eurypterus robustus Hall 1859 [synonym]
†Eurypterus laticeps Schmidt 1883
†Eurypterus leopoldi Tetlie 2006
†Eurypterus loi Chang 1957
†Eurypterus obesus Woodward 1869
†Eurypterus oklahomensis Decker 1938
†Eurypterus ornatus Leutze 1958
†Eurypterus punctatus Woodward 1869
†Eurypterus quebecensis Kjellesvig-Waering 1958
†Eurypterus raniceps Goldenberg 1873
†Eurypterus remipes DeKay 1825
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Invalid names: Hughmilleria trigonum Ruedemann 1916 [synonym]
†Eurypterus scouleri Hibbert 1836
†Eurypterus sellardsi Dunbar 1924
†Eurypterus serratus Jones and Woodward 1888
†Eurypterus styliformis Chang 1957
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Invalid names: Eurypterus fischeri Eichwald 1854 [synonym]
†Eurypterus yangi Chang 1957
Invalid names: Baltoeurypterus Størmer 1973 [synonym]
Superfm. †Moselopteroidea Lamsdell et al. 2010
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Fm. †Moselopteridae Lamsdell et al. 2010
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G. †Moselopterus Størmer 1974
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†Moselopterus ancylotelson Størmer 1974
†Moselopterus elongatus Størmer 1974
G. †Stoermeropterus Lamsdell 2011
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†Stoermeropterus conicus Laurie 1892
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Invalid names: Drepanopterus bembycoides Laurie 1899 [synonym], Drepanopterus lobatus Laurie 1899 [synonym]
G. †Vinetopterus Poschmann and Tetlie 2004
Superfm. †Onychopterelloidea Lamsdell 2011
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Fm. †Onychopterellidae Lamsdell 2011
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G. †Onychopterella Størmer 1951
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†Onychopterella augusti Braddy et al. 1995
†Onychopterella kokomoensis Miller and Gurley 1896
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Invalid names: Eurypterus ranilarva Clarke and Ruedemann 1912 [synonym]
Invalid names: Onychopterus Clarke and Ruedemann 1912 [synonym]
G. †Tylopterella Størmer 1951
G. †Wiedopterus Poschmann 2015
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†Wiedopterus noctua Poschmann 2015
Invalid names: Megalograptoidea Caster and Kjellesvig-Waering 1955 [empty]
Diagnosis
No diagnoses are available