''Grossopterus'' is a genus of prehistoric

eurypterid Eurypterids, often informally called sea scorpions, are a group of extinct marine arthropods that form the Order (biology), order Eurypterida. The earliest known eurypterids date to the Darriwilian stage of the Ordovician period, 467.3 Myr, mil ...

classified as part of the family

Waeringopteridae 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 ...

. The genus contains two species, ''G. inexpectans'' from Gilboa,

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

and ''G. overathi'' from

Overath Overath (; ) is a town in the Rheinisch-Bergischer Kreis, Rheinisch-Bergischer district of North Rhine-Westphalia, Germany. Geography Overath is located about 25 km east of Cologne, in the Berg (German region), Bergisches Land. Despite th ...

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

.Dunlop, J. A., Penney, D. & Jekel, D. 2015. A summary list of fossil spiders and their relatives. In World Spider Catalog. Natural History Museum Bern, online at http://wsc.nmbe.ch , version 16.0 http://www.wsc.nmbe.ch/resources/fossils/Fossils16.0.pdf (PDF).

References

Devonian eurypterids Diploperculata Devonian arthropods of Europe Devonian arthropods of North America Eurypterids of Europe {{eurypterid-stub

See also

References