Eurypteracea and Eurypteroidea: Difference between pages
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{{Taxobox |
{{Taxobox |
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| name = |
| name = Eurypteroidea |
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| fossil_range = [[Ordovician]] - [[Permian]] |
| fossil_range = [[Ordovician]] - [[Permian]] |
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| regnum = [[Animal]]ia |
| regnum = [[Animal]]ia |
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| subphylum = [[Chelicerata]] |
| subphylum = [[Chelicerata]] |
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| classis = [[Eurypterida]]† |
| classis = [[Eurypterida]]† |
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| superfamilia = |
| superfamilia = Eurypteroidea† |
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}} |
}} |
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{{portal|Paleontology}} |
{{portal|Paleontology}} |
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''' |
'''Eurypteroidea''' are an extinct superfamily of [[eurypterids]]. They were members of the subphylum [[Chelicerata]]. |
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==Description== |
==Description== |
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Eurypteroidea, which lived from the [[Ordovician]] to [[Permian]] 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<ref>{{aut| Størmer, L}} 1955. Merostomata. ''Treatise on Invertebrate Paleontology, Part P Arthropoda 2, Chelicerata'', P30. as Eurypteracea</ref>. |
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==Families== |
==Families== |
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*Class [[Merostomata]] <small>Dana, 1852</small> |
*Class [[Merostomata]] <small>Dana, 1852</small> |
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*Subclass [[Eurypterida]] <small>Burmeister, 1843</small> |
*Subclass [[Eurypterida]] <small>Burmeister, 1843</small> |
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*Superfamily |
*Superfamily Eurypteroidea <small>Burmeister, 1845</small> |
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*:Family [[Hughmilleriidae]] <small>Kjellesvig-Waering, 1951</small> |
*:Family [[Hughmilleriidae]] <small>Kjellesvig-Waering, 1951</small> |
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*:Family [[Pterygotidae]] <small>Clarke & Ruedemann, 1912</small> |
*:Family [[Pterygotidae]] <small>Clarke & Ruedemann, 1912</small> |
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Revision as of 01:25, 16 February 2011
| Eurypteroidea Temporal range: Ordovician - Permian
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| Scientific classification | |
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| Phylum: | |
| Subphylum: | |
| Class: | |
| Superfamily: | Eurypteroidea†
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Eurypteroidea are an extinct superfamily of eurypterids. They were members of the subphylum Chelicerata.
Description
Eurypteroidea, which lived from the Ordovician to Permian 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[1].
Families
- Class Merostomata Dana, 1852
- Subclass Eurypterida Burmeister, 1843
- Superfamily Eurypteroidea Burmeister, 1845
- Family Hughmilleriidae Kjellesvig-Waering, 1951
- Family Pterygotidae Clarke & Ruedemann, 1912
- Family Eurypteridae Burmeister, 1845
- Family Carcinosomatidae Størmer, 1934
- Family Mixopteridae Caster & Kjellesvig-Waering, 1955
- Family Megalograptidae Caster & Kjellesvig-Waering, 1955
References
- ^ Størmer, L 1955. Merostomata. Treatise on Invertebrate Paleontology, Part P Arthropoda 2, Chelicerata, P30. as Eurypteracea