Eurypteroidea
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| Eurypteroidea Temporal range:
| |
|---|---|
| File:Eurypterus.jpg | |
| Fossil of Eurypterus | |
| Scientific classification Edit this classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Order: | †Eurypterida |
| Suborder: | †Eurypterina |
| Superfamily: | †Eurypteroidea Burmeister, 1843 |
| Families | |
Eurypteroidea are an extinct superfamily of eurypterids. It contains three families (Dolichopteridae, Eurypteridae, Strobilopteridae) and two genera of uncertain classification, Paraeurypterus and Pentlandopterus.[1]
Description
[edit | edit source]Eurypteroidea, which lived from the Ordovician to Devonian periods, were characterized by their last pair of prosomal (head) appendages, which were developed as swimming legs, carrying paddles formed by the expansion of the two penultimate joints.[2]
Families
[edit | edit source]- Order Eurypterida Burmeister, 1843
- Suborder Eurypterina Burmeister, 1845
- Superfamily Eurypteroidea Burmeister, 1845
- Genus Paraeurypterus Lamsdell, Hoşgör & Selden, 2013
- Genus Pentlandopterus Lamsdell, Hoşgör & Selden, 2013
- Family Dolichopteridae Kjellesvig-Waering & Størmer, 1952
- Family Eurypteridae Burmeister, 1845
- Family Strobilopteridae Lamsdell & Selden, 2013
- Superfamily Eurypteroidea Burmeister, 1845
- Suborder Eurypterina Burmeister, 1845
References
[edit | edit source]- ^ 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).
- ^ Størmer, L 1955. Merostomata. Treatise on Invertebrate Paleontology, Part P Arthropoda 2, Chelicerata, P30. as Eurypteracea
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