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Pterygotidae

Eurypterida - Pterygotidae

Taxonomy
Pterygotidae was named by Clarke and Ruedemann (1912).

It was assigned to Eurypterida by Clarke and Ruedemann (1912); to Eurypteracea by Størmer (1955); to Pterygotioidea by Dunlop et al. (2013), Dunlop et al. (2020); and to Pterygotoidea by Lamsdell (2025).

Entered
by M. Smith on 2014-08-22; modified by R. Plotnick on 2025-07-08

Synonyms
Synonymy list
YearName and author
1912Pterygotidae Clarke and Ruedemann
1955Pterygotidae Størmer p. 30
1974Jaekelopteridae Stoermer
2013Pterygotidae Dunlop et al. p. 25
2020Pterygotidae Dunlop et al. p. 26
2025Pterygotidae Lamsdell

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
Deuteropoda
RankNameAuthor
subphylumChelicerataHeymons 1901
orderEurypteridaHuxley 1857
suborderEurypterinaNovojilov 1962
infraorderDiploperculata
superfamilyPterygotoideaClarke and Ruedemann 1912
familyPterygotidaeClarke and Ruedemann 1912
familyPterygotidaeClarke and Ruedemann 1912

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.

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]
Diagnosis
No diagnoses are available