List of Families and Genera
There are 246 valid species of eurypterids as of 2011. All of them are extinct. They are grouped into the following:
- Suborder Stylonurina
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- Superfamily Rhenopteroidea
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- Rhenopteridae
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- Alkenopterus
- Brachyopterella
- Brachyopterus
- Kiaeropterus
- Leiopterella
- Rhenopterus
- Superfamily Stylonuroidea
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- Parastylonuridae
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- Parastylonurus
- Stylonurella
- Stylonuridae
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- Ctenopterus
- Laurieipterus
- Pagea
- Stylonurus
- Superfamily Kokomopteroidea
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- Kokomopteridae
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- Kokomopterus
- Lamontopterus
- Hardieopteridae
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- Hallipterus
- Tarsopterella
- Superfamily Hibbertopteroidea
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- Drepanopteridae
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- Drepanopterus
- Hibbertopteridae
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- Campylocephalus
- Cyrtoctenus
- Dunsopterus
- Hastimima
- Hibbertopterus
- Vernonopterus
- Mycteroptidae
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- Megarachne
- Mycterops
- Woodwardopterus
- Incertae sedis
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- Stylonuroides
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- Suborder Eurypterina
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- Plesion taxa
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- Onychopterella
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- Superfamily Moselopteroidea
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- Moselopteridae
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- Moselopterus
- Vinetopterus
- Superfamily Megalograptoidea
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- Megalograptidae
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- Echinognathus
- Megalograptus
- Superfamily Eurypteroidea
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- Dolichopteridae
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- Dolichopterus
- Ruedemannipterus
- Buffalopterus
- Strobilopterus
- Syntomopterus
- Eurypteridae
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- Eurypterus
- Erieopteridae
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- Erieopterus
- Superfamily Mixopteroidea
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- Carcinosomatidae
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- Carcinosoma
- Eocarcinosoma
- Paracarcinosoma
- Rhinocarcinosoma
- Micopteridae
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- Lanarkopterus
- Mixopterus
- Superfamily Waeringopteroidea
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- Waeringopteridae (not formally published)
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- Grossopterus
- Orcanopterus
- Waeringopterus
- Superfamily Adelophthalmoidea
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- Adelophthalmidae
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- Adelophthalmus
- Bassipterus
- Eysyslopterus
- Nanahughmilleria
- Parahughmilleria
- Pittsfordipterus
- Superfamily Pterygotioidea
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- Hughmilleriidae
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- Herefordopterus
- Hughmilleria
- Slimonidae
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- Slimonia
- Salteropterus
- Pterygotidae
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- Pterygotus
- Acutiramus
- Ciurcopterus
- Erettopterus
- Jaekelopterus
- Incertae sedis
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- Clarkiepterus
- Dorfopterus
- Holmipterus
- Marsupipterus
- Tylopterella
- Unionopterus
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The trace fossil trackways produced by eurypterids are placed in the ichnogenus Palmichnium.
Read more about this topic: List Of Eurypterids
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