Mixopteridae: Difference between revisions
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The '''Mixopteridae''' are a family of [[eurypterid]]s, an extinct group of [[chelicerate]] [[arthropod]]s commonly known as "sea scorpions". The family is one of two families contained in the superfamily [[Carcinosomatoidea]] (along with [[Carcinosomatidae]]), which in turn is one of the superfamilies classified as part of the suborder [[Eurypterina]]. |
The '''Mixopteridae''' are a family of [[eurypterid]]s, an extinct group of [[chelicerate]] [[arthropod]]s commonly known as "sea scorpions". The family is one of two families contained in the superfamily [[Carcinosomatoidea]] (along with [[Carcinosomatidae]]), which in turn is one of the superfamilies classified as part of the suborder [[Eurypterina]]. However, according to a 2024 paper this family may be paraphyletic, containing modern [[scorpions]].<ref>{{cite journal |last1=Braddy |first1=Simon J. |title=Carcinosomatoid eurypterid palaeoecology and phylogeny: ichnology and palaeocommunities |journal=Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen |date=14 September 2024 |volume=312 |issue=2 |pages=167–181 |doi=10.1127/njgpa/2024/1206}}</ref> |
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==Description== |
==Description== |
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Revision as of 10:07, 16 August 2024
| Mixopteridae Temporal range: early Silurian,
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| Fossil of Mixopterus kiaeri exhibited at the Moscow Paleontological Museum. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Order: | †Eurypterida |
| Infraorder: | †Diploperculata |
| Superfamily: | †Carcinosomatoidea |
| Family: | †Mixopteridae Caster & Kjellesvig-Waering, 1955 |
| Type species | |
| †Mixopterus multispinosus Ruedemann, 1921
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| Genera | |
| Synonyms | |
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The Mixopteridae are a family of eurypterids, an extinct group of chelicerate arthropods commonly known as "sea scorpions". The family is one of two families contained in the superfamily Carcinosomatoidea (along with Carcinosomatidae), which in turn is one of the superfamilies classified as part of the suborder Eurypterina. However, according to a 2024 paper this family may be paraphyletic, containing modern scorpions.[1]
Description
Mixopterids were characterized by large exoskeletons with scattered tubercles or semicircular scales. The prosoma (head) was subquadrate, protruding antemedially. The chelicerae (claws in front of the mouth) were small. The first two pairs of walking legs were strongly developed, with long paired spines. The third and fourth walking legs were moderately sized, with short spines. The preabdomen, the front portion of the body, was narrow with axial furrows, while the postabdomen was narrow. The telson was a curved spine.[2]
Genera
- Order Eurypterida Burmeister, 1843
- Superfamily Carcinosomatoidea Burmeister, 1845
- Family Mixopteridae Caster & Kjellesvig-Waering, 1955
- Genus Mixopterus Ruedemann, 1921
- Genus Lanarkopterus Størmer, 1936
- Genus Terropterus Wang et al., 2021
- Family Mixopteridae Caster & Kjellesvig-Waering, 1955
See also
References
- ^ Braddy, Simon J. (14 September 2024). "Carcinosomatoid eurypterid palaeoecology and phylogeny: ichnology and palaeocommunities". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 312 (2): 167–181. doi:10.1127/njgpa/2024/1206.
- ^ Størmer, L 1955. Merostomata. Treatise on Invertebrate Paleontology, Part P Arthropoda 2, Chelicerata, P34-P35.
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| Ichnogenera | ||
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| Related articles | ||
 | This article related to a Silurian animal is a stub. You can help Wikipedia by expanding it. |
 | This eurypterid-related article is a stub. You can help Wikipedia by expanding it. |