List of eurypterid genera

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Eurypterus, the most commonly found eurypterid fossil and the first eurypterid genus to be described Eurypterus Paleoart.jpg
Eurypterus , the most commonly found eurypterid fossil and the first eurypterid genus to be described

This list of eurypterid genera is a comprehensive listing of all genera that have ever been included in the order Eurypterida, excluding purely vernacular terms. The list includes all commonly accepted genera, but also genera that are now considered invalid, doubtful ( nomen dubium ), or were not formally published ( nomen nudum ), as well as junior synonyms of more established names and genera that are no longer considered eurypterids. The list currently includes 115 names out of which 74 are considered valid eurypterid genera.

Contents

There are approximately 250 species of eurypterids recognized as valid. [1]

Naming conventions and terminology

There is no "official" or "canonical" list of eurypterid genera. The closest thing is found contained in the regularly updated Summary listof fossil spiders and their relatives in the World Spider Catalog. The vast majority of the content of the list below, including the valid genera, preoccupied names, junior synonyms, taxonomical classifications and sites of discovery, is based upon the 2018 edition of the Summary list. Content not based on the list, such as genera described after its publication, is noted through inline citations.

Naming conventions and terminology follow the International Code of Zoological Nomenclature. Technical terms used include:

Eurypterid genera

  Valid genus
  Dubious taxon, synonym, preoccupied name or informal name
  Missassigned genus
GenusAuthor(s)YearStatusAgeLocationNotes

Acanthoeurypterus

Kjellesvig-Waering

N/A

Jr. synonym

N/A

N/A

Nomen manuscriptum , also considered as a synonym of Eurypterus. [2]

Acutiramus Ruedemann 1935 Valid Silurian - Devonian
Adelophthalmus Jordan 1854 Valid Devonian - Permian Nearly cosmopolitan, see article.
Alkenopterus Størmer 1974 Valid Devonian

Alloeurypterus

Kjellesvig-Waering

N/A

Jr. synonym

N/A

N/A

Nomen manuscriptum , also considered as a synonym of Eurypterus. [2]

Angustidontus

Cooper

1936

Misidentification [4]

N/A

N/A

Misidentified, a crustacean.

Anthraconectes

Meek & Worthen

1868

Jr. synonym

N/A

N/A

Synonym of Adelophthalmus .

Baltoeurypterus

Størmer

1973

Jr. synonym

N/A

N/A

Synonym of Eurypterus .

Bassipterus Kjellesvig-Waering & Leutze 1966 Valid Silurian

Belinuropsis

Matthew

1910

Nomen dubium

Carboniferous

Too poorly preserved to be assigned to any particular arthropod group. [5]

Bembicosoma

Laurie

1899

Misidentification [6]

N/A

N/A

Misidentified, a stem genus on Planaterga.

Borchgrevinkium

Novojilov

1959

Misidentification [1]

N/A

N/A

Misidentified, possibly a stem prosomapod.

Brachyopterella Kjellesvig-Waering 1966 Valid Silurian
Brachyopterus Størmer 1951 Valid Ordovician

Bunodella

Matthew

1889

Nomen dubium

Silurian

Uncertain affinities, probably synonym of Acutiramus . [7]

Buffalopterus Kjellesvig-Waering & Heubusch 1962 Valid Silurian
Campylocephalus Eichwald 1860 Valid Carboniferous  - Permian

Campylognathus

Diener

1924

Preoccupied [8]

N/A

N/A

Preoccupied by a genus of plant bugs, changed to Campylocephalus .

Carcinosoma Claypole 1890 Valid Silurian
Ciurcopterus Tetlie & Briggs 2009 Valid Silurian
Clarkeipterus Kjellesvig-Waering 1966 Valid Silurian

Clintonipterus

Kjellesvig-Waering

N/A

Nomen nudum

N/A

N/A

Informal name that only appears in notes in museum drawers. [9]

Ctenopterus Clarke & Ruedemann 1912 Valid Silurian

Curviramus

Ruedemann

1935

Jr. synonym

N/A

N/A

Synonym of Pterygotus .

Cyrtoctenus

Størmer & Waterston

1968

Jr. synonym

N/A

N/A

Synonym of Hibbertopterus . [10]

Dolichocephala

Claypole

1883

Preoccupied

N/A

N/A

Preoccupied by a genus of flies, synonym of Hallipterus .

Dolichopterus Hall 1859 Valid Silurian
Dorfopterus Kjellesvig-Waering 1955 Valid Devonian
Drepanopterus Laurie 1892 Valid Silurian - Devonian

Dunsopterus

Waterston

1968

Jr. synonym

N/A

N/A

Synonym of Hibbertopterus . [10]

Echinognathus Walcott 1882 Valid Ordovician
Eocarcinosoma Caster & Kjellesvig-Waering 1964 Valid Ordovician
Erettopterus Salter 1859 Valid Silurian - Devonian
Erieopterus Kjellesvig-Waering 1958 Valid Silurian - Devonian

Eidothea

Scouler

1831

Preoccupied [11]

N/A

N/A

Preoccupied name, changed to Campylocephalus .

Eurypterella

Matthew

1888

Nomen dubium

Carboniferous

Too poorly preserved to be assigned to any particular arthropod group. [12]

Eurypterus de Kay 1825 Valid Silurian

Eurysoma

Claypole

1890

Preoccupied

N/A

N/A

Preoccupied name, changed to Carcinosoma .

Eusarcana Strand 1942 Valid Silurian - Devonian

Eusarcus

Grote & Pitt

1875

Preoccupied

N/A

N/A

Preoccupied name, changed to Eusarcana .

Eysyslopterus Tetlie & Poschmann 2008 Valid Silurian

Glaucodes

Pruvost

1923

Jr. synonym [13]

N/A

N/A

Synonym of Mycterops .

Glyptoscorpius

Peach

1882

Jr. synonym

N/A

N/A

Synonym of Adelophthalmus .

Grossopterus Størmer 1934 Valid Devonian
Hallipterus Kjellesvig-Waering 1963 Valid Devonian
Hardieopterus Waterston 1979 Valid Silurian
Hastimima White 1908 Valid Permian
Herefordopterus Tetlie 2006 Valid Silurian
Hibbertopterus Kjellesvig-Waering 1959 Valid Carboniferous

Himantopterus

Salter

1856

Preoccupied [14]

N/A

N/A

Unavailable junior homonym, replaced by name Erettopterus

Holmipterus Kjellesvig-Waering 1979 Valid Silurian
Hughmilleria Sarle 1903 Valid Silurian
Jaekelopterus Waterston 1964 Valid Devonian
Kiaeropterus Waterston 1979 Valid Silurian

Kockurus

Chlupáč

1995

Misidentification

N/A

N/A

Misidentified, likely represents an aglaspidid.

Kodymirus

Chlupáč

1995

Misidentification

N/A

N/A

Misidentified, likely represents an aglaspidid.

Kokomopterus Kjellesvig-Waering 1966 Valid Silurian
Lanarkopterus Ritchie 1968 Valid Silurian
Lamontopterus Waterston 1979 Valid Silurian
Laurieipterus Kjellesvig-Waering 1966 Valid Silurian
Leiopterella Lamsdell, Braddy, Loeffler & Dineley 2010 Valid Devonian

Lepidoderma

Reuss

1855

Jr. synonym

N/A

N/A

Synonym of Adelophthalmus .

Marsupipterus Caster & Kjellesvig-Waering 1955 Valid Silurian

Mazonipterus

Kjellesvig-Waering

1963

Misidentification

N/A

N/A

Misidentified, a plant.

Megalograptus Miller 1874 Valid Ordovician
Megarachne Hünicken 1980 Valid Carboniferous  - Permian

Melbournopterus

Caster & Kjellesvig-Waering

1953

Misidentification

N/A

N/A

Misidentified, a brachipod.

Mixopterus Ruedemann 1921 Valid Silurian
Moselopterus Størmer 1974 Valid Devonian
Mycterops Cope 1886 Valid Carboniferous
Nanahughmilleria Kjellesvig-Waering 1961 Valid Silurian - Devonian
Necrogammarus Woodward 1870 Valid Silurian
Onychopterella Størmer 1951 Valid Ordovician - Silurian

Onychopterus

Miller & Gurley

1896

Preoccupied [13]

N/A

N/A

Preoccupied name, changed to Onychopterella .

Orcanopterus Stott, Tetlie, Braddy, Nowlan, Glasser & Devereux 2005 Valid Ordovician
Pagea Waterston 1962 Valid Devonian

Paracarcinosoma

Caster & Kjellesvig-Waering

1964

Jr. synonym

N/A

N/A

Synonym of Eusarcana .

Paraeurypterus Lamsdell, Hoşgör & Selden 2013 Valid Ordovician
Parahughmilleria Kjellesvig-Waering 1961 Valid Silurian - Devonian
Parastylonurus Kjellesvig-Waering 1966 Valid Silurian

Parka

Fleming

1831

Misidentification [15]

N/A

N/A

Misidentified, a plant.

Pentecopterus [16] Lamsdell et al. 2015 Valid Ordovician
Pentlandopterus Lamsdell, Hoşgör & Selden 2013 Valid Ordovician
Pittsfordipterus Kjellesvig-Waering & Leutze 1966 Valid Silurian

Polystomurum [17]

Novojilov

1958

Misidentification

N/A

N/A

Misidentified, an unplaced euchelicerate. [1]

Polyzosternites

Goldenberg

1873

Jr. synonym

N/A

N/A

Synonym of Adelophthalmus .

Pterygotus Agassiz 1839 Valid Silurian - Devonian Nearly cosmopolitan, see article.
Rhenopterus Størmer 1936 Valid Devonian
Rhinocarcinosoma Novojilov 1962 Valid Silurian
Ruedemannipterus Kjellesvig-Waering 1966 Valid Silurian
Salteropterus Kjellesvig-Waering 1951 Valid Silurian

Sidneyia

Walcott

1911

Misidentification [18]

N/A

N/A

Misidentified, an arachnomorph. [19]

Slimonia Page 1856 Valid Silurian
Soligorskopterus [20] Plax, Lamsdell, Vrazo & Barbikov 2018 Valid Devonian
Stoermeropterus Lamsdell 2011 Valid Devonian

Strabops

Beecher

1901

Misidentification [21]

N/A

N/A

Misidentified, a strabopid.

Strobilopterus Ruedemann 1935 Valid Silurian - Devonian
Stylonurella Kjellesvig-Waering 1966 Valid Silurian - Devonian
Stylonuroides Kjellesvig-Waering 1966 Valid Silurian - Devonian
Stylonurus Page 1856 Valid Devonian

Syntomopterella

Tellie

2007

Jr. synonym

N/A

N/A

Synonym of Strobilopterus .

Syntomopterus

Kjellesvig-Waering

1961

Preoccupied

N/A

N/A

Preoccupied name, changed to Strobilopterus .

Tarsopterella Størmer 1951 Valid Devonian

Tarsopterus

Clarke & Ruedemann

1912

Preoccupied [13]

N/A

N/A

Preoccupied name, changed to Tarsopterella .

Terropterus [22] Wang, Dunlop, Gai, Lei, Jarzembowski & Wang 2021 Valid Silurian

Truncatiramus

Kjellesvig-Waering

1961

Jr. synonym

N/A

N/A

Synonym of Erettopterus .

Tylopterella Størmer 1951 Valid Silurian

Tylopterus

Clarke & Ruedemann

1912

Preoccupied [13]

N/A

N/A

Preoccupied name, changed to Tylopterella .

Unionopterus Chernyshev 1948 Valid Carboniferous
Vinetopterus Poschmann & Tellie 2004 Valid Devonian
Vernonopterus Waterston 1968 Valid Carboniferous
Waeringopterus Leutze 1961 Valid Silurian
Wiedopterus [23] Poschmann 2015 Valid Devonian

Willwerathia

Størmer

1936

Misidentification [24]

N/A

N/A

Misidentified, a xiphosuran.

Woodwardopterus Kjellesvig-Waering 1959 Valid Carboniferous
Acutiramus. 20201231 Acutiramus macrophthalmus.png
Acutiramus .
Adelophthalmus. Adelophthalmus irinae.png
Adelophthalmus .
Brachyopterus. Brachyopterus restoration.png
Brachyopterus .
Campylocephalus. CampylocephalusDB117.jpg
Campylocephalus .
Carcinosoma. Carcinosoma newlini.png
Carcinosoma .
Ciurcopterus. Ciurcopterus.png
Ciurcopterus .
Dolichopterus. The Eurypterida of New York plate 40.jpg
Dolichopterus .
Drepanopterus. The Eurypterida of New York figure 69.jpg
Drepanopterus .
Erettopterus. Erettopterus osiliensis.jpg
Erettopterus .
Eurypterus. Eurypterus Paleoart.jpg
Eurypterus .
Eusarcana. The Eurypterida of New York plate 27.jpg
Eusarcana .
Hallipterus. Hallipterus excelsior.png
Hallipterus .
Herefordopterus. Herefordopterus banksii restoration.png
Herefordopterus .
Hibbertopterus. Hibbertopterus scouleri.jpg
Hibbertopterus .
Hughmilleria. The Eurypterida of New York plate 59.jpg
Hughmilleria .
Jaekelopterus. Jaekelopterus rhenaniae reconstruction.jpg
Jaekelopterus .
Kokomopterus. The Eurypterida of New York plate 54.jpg
Kokomopterus .
Laurieipterus. The Eurypterida of New York figure 62.jpg
Laurieipterus .
Megalograptus. Megalograptus color reconstruction.png
Megalograptus .
Megarachne. 20210116 Megarachne hypothetical reconstruction.png
Megarachne .
Mixopterus. Mixopterus BW.jpg
Mixopterus .
Nanahughmilleria. Nanahughmilleria norvegica restoration.png
Nanahughmilleria .
Onychopterella. Onychopterella augusti restoration.png
Onychopterella .
Orcanopterus. Orcanopterus.png
Orcanopterus .
Pentecopterus. Eurypterids Pentecopterus Vertical.jpg
Pentecopterus .
Pterygotus. 20201227 Pterygotus anglicus.png
Pterygotus .
Slimonia. Slimonia acuminata reconstruction.jpg
Slimonia .
Stoermeropterus. Stoermeropterus.png
Stoermeropterus .
Strobilopterus. Strobilopterus.jpg
Strobilopterus .
Stylonurus. Stylonurus BW.jpg
Stylonurus .

Eurypterid ichnogenera

GenusAuthor(s)YearStatusAgeLocationNotes
Arcuites [25] Vrazo & Ciurca 2017 Valid Silurian
Merostomichnites [26] Packard 1900 Valid Ordovician - Silurian Merostomichnites tracks in Norway were likely made by the genus Mixopterus .
Palmichnium [27] Richter 1954 Valid Devonian - Carboniferous

See also

Related Research Articles

<span class="mw-page-title-main">Eurypterid</span> Order of arthropods (fossil)

Eurypterids, often informally called sea scorpions, are a group of extinct arthropods that form the order Eurypterida. The earliest known eurypterids date to the Darriwilian stage of the Ordovician period 467.3 million years ago. The group is likely to have appeared first either during the Early Ordovician or Late Cambrian period. With approximately 250 species, the Eurypterida is the most diverse Paleozoic chelicerate order. Following their appearance during the Ordovician, eurypterids became major components of marine faunas during the Silurian, from which the majority of eurypterid species have been described. The Silurian genus Eurypterus accounts for more than 90% of all known eurypterid specimens. Though the group continued to diversify during the subsequent Devonian period, the eurypterids were heavily affected by the Late Devonian extinction event. They declined in numbers and diversity until becoming extinct during the Permian–Triassic extinction event 251.9 million years ago.

<i>Pterygotus</i> Extinct genus of eurypterid

Pterygotus is a genus of giant predatory eurypterid, a group of extinct aquatic arthropods. Fossils of Pterygotus have been discovered in deposits ranging in age from Middle Silurian to Late Devonian, and have been referred to several different species. Fossils have been recovered from four continents; Australia, Europe, North America and South America, which indicates that Pterygotus might have had a nearly cosmopolitan (worldwide) distribution. The type species, P. anglicus, was described by Swiss naturalist Louis Agassiz in 1839, who gave it the name Pterygotus, meaning "winged one". Agassiz mistakenly believed the remains were of a giant fish; he would only realize the mistake five years later in 1844.

<i>Hughmilleria</i> Genus of extinct arthropods

Hughmilleria is a genus of eurypterid, an extinct group of aquatic arthropods. Fossils of Hughmilleria have been discovered in deposits of the Silurian age in China and the United States. Classified as part of the basal family Hughmilleriidae, the genus contains three species, H. shawangunk from the eastern United States, H. socialis from Pittsford, New York, and H. wangi from Hunan, China. The genus is named in honor of the Scottish geologist Hugh Miller.

<span class="mw-page-title-main">Chasmataspidida</span> Order of arthropods

Chasmataspidids, sometime referred to as chasmataspids, are a group of extinct chelicerate arthropods that form the order Chasmataspidida. Chasmataspidids are probably related to horseshoe crabs (Xiphosura) and/or sea scorpions (Eurypterida), with more recent studies suggest that they form a clade (Dekatriata) with Eurypterida and Arachnida. Chasmataspidids are known sporadically in the fossil record through to the mid-Devonian, with possible evidence suggesting that they were also present during the late Cambrian. Chasmataspidids are most easily recognised by having an opisthosoma divided into a wide forepart (preabdomen) and a narrow hind part (postabdomen) each comprising 4 and 9 segments respectively. There is some debate about whether they form a natural group.

<i>Bassipterus</i> Extinct genus of arthropods

Bassipterus is a genus of eurypterid, an extinct group of aquatic arthropods. Bassipterus is classified as part of the family Adelophthalmidae, the only clade within the derived ("advanced") Adelophthalmoidea superfamily of eurypterids. Fossils of the single and type species, B. virgnicus, have been discovered in deposits of the Late Silurian age in West Virginia and Maryland, United States. The genus is named after Bass, where most of the fossils have been recovered.

<i>Drepanopterus</i> Extinct genus of sea scorpions

Drepanopterus is an extinct genus of eurypterid and the only member of the family Drepanopteridae within the Mycteropoidea superfamily. There are currently three species assigned to the genus. The genus has historically included more species, with nine species having been associated with the genus Drepanopterus. Five of these have since been proven to be synonyms of pre-existing species, assigned to their own genera, or found to be based on insubstantial fossil data. The holotype of one species proved to be a lithic clast.

<i>Dorfopterus</i> Extinct genus of arthropods

Dorfopterus is a genus of eurypterid, a group of extinct aquatic arthropods. Only one fossil of the single and type species, D. angusticollis, has been discovered in deposits of the Early Devonian period in the Beartooth Butte Formation in Wyoming, in the United States. The first half of the name of the genus honors the discoverer of this formation, Erling Dorf, while the second half consists in the Ancient Greek word πτερόν (pteron), meaning "wing". The species name angusticollis is composed by the Latin words angustus ("narrow") and collum ("neck").

<i>Nanahughmilleria</i> Extinct genus of arthropods

Nanahughmilleria is a genus of eurypterid, an extinct group of aquatic arthropods. Fossils of Nanahughmilleria have been discovered in deposits of Devonian and Silurian age in the United States, Norway, Russia, England and Scotland, and have been referred to several different species.

<i>Parahughmilleria</i> Extinct genus of arthropods

Parahughmilleria is a genus of eurypterid, an extinct group of aquatic arthropods. Fossils of Parahughmilleria have been discovered in deposits of the Devonian and Silurian age in the United States, Canada, Russia, Germany, Luxembourg and Great Britain, and have been referred to several different species. The first fossils of Parahughmilleria, discovered in the Shawangunk Mountains in 1907, were initially assigned to Eurypterus. It would not be until 54 years later when Parahughmilleria would be described.

<i>Adelophthalmus</i> Genus of arthropods (fossil)

Adelophthalmus is a genus of eurypterid, an extinct group of aquatic arthropods. Fossils of Adelophthalmus have been discovered in deposits ranging in age from the Early Devonian to the Early Permian, which makes it the longest lived of all known eurypterid genera, with a total temporal range of over 120 million years. Adelopththalmus was the final genus of the Eurypterina suborder of eurypterids and consisted the only known genus of swimming eurypterids from the Middle Devonian until its extinction during the Permian, after which the few surviving eurypterids were all walking forms of the suborder Stylonurina.

<span class="mw-page-title-main">Eurypteridae</span> Extinct family of Devonian organisms

Eurypteridae is an extinct family of eurypterids that lived in the Silurian and Devonian periods. The family is one of three families contained in the superfamily Eurypteroidea, which in turn is one of the superfamilies classified as part of the suborder Eurypterina. The family contains two genera, Erieopterus and Eurypterus.

<span class="mw-page-title-main">Carcinosomatidae</span> Extinct family of arthropods

Carcinosomatidae is a family of eurypterids, an extinct group of aquatic arthropods. They were members of the superfamily Carcinosomatoidea, also named after Carcinosoma. Fossils of carcinosomatids have been found in North America, Europe and Asia, the family possibly having achieved a worldwide distribution, and range in age from the Late Ordovician to the Early Devonian. They were among the most marine eurypterids, known almost entirely from marine environments.

<span class="mw-page-title-main">Pterygotioidea</span> Extinct superfamily of eurypterids

Pterygotioidea is a superfamily of eurypterids, an extinct group of aquatic arthropods. Pterygotioids were the most derived members of the infraorder Diploperculata and the sister group of the adelophthalmoid eurypterids. The group includes the basal and small hughmilleriids, the larger and specialized slimonids and the famous pterygotids which were equipped with robust and powerful cheliceral claws.

<span class="mw-page-title-main">Hibbertopteridae</span> Extinct family of arthropods

Hibbertopteridae is a family of eurypterids, an extinct group of aquatic arthropods. They were members of the superfamily Mycteropoidea. Hibbertopterids were large, broad and heavy animals unlike virtually every other group of eurypterids, which are commonly streamlined and lightweight. Their bizarre morphology is so unusual that they in the past have been thought to represent an entirely distinct order of chelicerates. Fossils of the family first appear in deposits of Middle Devonian age and the last known fossils representing hibbertopterids are known from deposits of Late Permian age. The hibbertopterids represent the last known living eurypterids, going extinct during the Permian–Triassic extinction event or shortly before.

<span class="mw-page-title-main">Waeringopteridae</span> Extinct family of arthropods

Waeringopteridae is a family of eurypterids, an extinct group of aquatic arthropods. The Waeringopteridae is the only family classified as part of the superfamily Waeringopteroidea, which in turn is classified within the infraorder Diploperculata in the suborder Eurypterina. The earliest known member of the group, Orcanopterus, has been recovered from deposits of Katian age and the latest known surviving member, Grossopterus, has been recovered from deposits of Siegenian age. The name Waeringopteridae is derived from the type genus Waeringopterus, which is named in honor of eurypterid researcher Erik N. Kjellesvig-Waering.

<span class="mw-page-title-main">Adelophthalmidae</span> Family of eurypterids, an extinct group of aquatic arthropods

Adelophthalmidae is a family of eurypterids, an extinct group of aquatic arthropods. Adelophthalmidae is the only family classified as part of the superfamily Adelophthalmoidea, which in turn is classified within the infraorder Diploperculata in the suborder Eurypterina.

<span class="mw-page-title-main">Hughmilleriidae</span> Extinct family of eurypterids

Hughmilleriidae is a family of eurypterids, an extinct group of aquatic arthropods. The hughmilleriids were the most basal members of the superfamily Pterygotioidea, in contrast with the more derived families Pterygotidae and Slimonidae. Despite their classification as pterygotioids, the hughmilleriids possessed several characteristics shared with other eurypterid groups, such as the lanceolate telson.

<i>Herefordopterus</i> Extinct genus of arthropods

Herefordopterus is a genus of eurypterid, an extinct group of aquatic arthropods. Herefordopterus is classified as part of the family Hughmilleriidae, a basal family in the highly derived Pterygotioidea superfamily of eurypterids. Fossils of the single and type species, H. banksii, have been discovered in deposits of Silurian age in Herefordshire and Shropshire, England. The genus is named after Herefordshire, where most of the Herefordopterus fossils have been found. The specific epithet honors Richard Banks, who found several well-preserved specimens, including the first Herefordopterus fossils.

<i>Eysyslopterus</i> Extinct genus of arthropods

Eysyslopterus is a genus of eurypterid, an extinct group of aquatic arthropods. Eysyslopterus is classified as part of the family Adelophthalmidae, the only clade within the derived ("advanced") Adelophthalmoidea superfamily of eurypterids. One fossil of the single and type species, E. patteni, has been discovered in deposits of the Late Silurian period in Saaremaa, Estonia. The genus is named after Eysysla, the Viking name for Saaremaa, and opterus, a traditional suffix for the eurypterid genera, meaning "wing". The species name honors William Patten, an American biologist and zoologist who discovered the only known fossil of Eysyslopterus.

<span class="mw-page-title-main">Timeline of eurypterid research</span>

This timeline of eurypterid research is a chronologically ordered list of important fossil discoveries, controversies of interpretation, and taxonomic revisions of eurypterids, a group of extinct aquatic arthropods closely related to modern arachnids and horseshoe crabs that lived during the Paleozoic Era.

References

General

Citations

  1. 1 2 3 Dunlop, J. A., Penney, D. & Jekel, D. 2018. A summary list of fossil spiders and their relatives. In World Spider Catalog. Natural History Museum Bern
  2. 1 2 O. Erik Tetlie (2006). "Two new Silurian species of Eurypterus (Chelicerata: Eurypterida) from Norway and Canada and the phylogeny of the genus" (PDF). Journal of Systematic Palaeontology. 4 (4): 397–412. doi:10.1017/S1477201906001921. ISSN   1478-0941. S2CID   83519549 . Retrieved May 20, 2011.
  3. Bicknell, Russell D. C.; Smith, Patrick M.; Poschmann, Markus (2020). "Re-evaluating evidence of Australian eurypterids". Gondwana Research . 86: 164–181. Bibcode:2020GondR..86..164B. doi:10.1016/j.gr.2020.06.002. S2CID   225748023.
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