Erieopterus

Erieopterus; Temporal range: Silurian–Devonian PreꞒ Ꞓ O S D C P T J K Pg N
	Fossil of Erieopterus sp.
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Order:	†Eurypterida
Superfamily:	†Dolichopteroidea
Family:	†Erieopteridae; Tollerton, 1989
Genus:	†Erieopterus; Kjellesvig-Waering, 1958
Type species
	†Erieopterus microphthalmus; Hall, 1859
Species
	See text

Erieopterus is a genus of prehistoric eurypterid found in Silurian to Devonian-aged marine and freshwater^[1] strata of North America. The genus contains three species from the Silurian to the Devonian.^[2] Erieopterus is the only genus in the family Erieopteridae, part of the Dolichopteroidea superfamily.^[2]

Species

Erieopterus eriensis (Whitfield, 1882) — Silurian, USA
Erieopterus microphthalmus (Hall, 1859) — Devonian, USA & Canada
Erieopterus phillipsensis Copeland, 1971 — Silurian. Canada

Invalid species

"Erieopterus hypsophthalmus" Kjellesvig-Waering, 1958 — Silurian, USA, synonym of E. eriensis^[2]
"Erieopterus laticeps" (Schmidt, 1883) — Silurian, Norway, assigned to Strobilopterus^[2]
"Erieopterus limuloides" (Kjellesvig-Waering, 1948) — Silurian, USA, assigned to Barusopterus^[2]
"Erieopterus turgidus" Stumm & Kjellesvig-Waering, 1962 — Silurian, USA, synonym of E. microphthalmus^[2]

References

↑ "The Old Red Sandstone of Great Britain (Geological Conservation Review Series No. 31) | JNCC Resource Hub". hub.jncc.gov.uk. Retrieved 2023-08-20.
1 2 3 4 5 6 Lamsdell, J. C. (2025). "Codex Eurypterida: a revised taxonomy based on concordant parsimony and Bayesian phylogenetic analyses". Bulletin of the American Museum of Natural History. 473: 97–101. doi:10.1206/0003-0090.473.1.1. hdl:2246/7507.

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[1] "The Old Red Sandstone of Great Britain (Geological Conservation Review Series No. 31) | JNCC Resource Hub". hub.jncc.gov.uk. Retrieved 2023-08-20.

[:02-2] 1 2 3 4 5 6 Lamsdell, J. C. (2025). "Codex Eurypterida: a revised taxonomy based on concordant parsimony and Bayesian phylogenetic analyses". Bulletin of the American Museum of Natural History. 473: 97–101. doi:10.1206/0003-0090.473.1.1. hdl:2246/7507.

[1]

[2]

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Species

References