Dvinosauria: Difference between revisions
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{{Short description|Extinct suborder of temnospondyls}} |
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{{Automatic taxobox |
{{Automatic taxobox |
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| fossil_range = [[Late Carboniferous]] - [[Early Triassic]], {{fossil range|279.5|251.3|earliest=298.9}} |
| fossil_range = [[Late Carboniferous]] - [[Early Triassic]], {{fossil range|279.5|251.3|earliest=298.9}} |
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| subdivision_ranks = Subgroups |
| subdivision_ranks = Subgroups |
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| subdivision = |
| subdivision = |
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*{{extinct}}[[ |
*{{extinct}}[[Trimerorhachidae]] |
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*{{extinct}}''[[Perryella]]'' |
*{{extinct}}''[[Perryella]]'' |
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*{{extinct}}[[ |
*{{extinct}}''[[Timonya]]'' |
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*{{extinct}}''[[Trypanognathus]]'' |
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*{{extinct}}'''Dvinosauroidea''' |
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**{{extinct}}''[[Acroplous]]'' |
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**{{extinct}}''[[Bermanerpeton]]''<ref name="Werneburg2021">{{Cite journal |last1=Werneburg |first1=R. |last2=Schneider |first2=J. W. |last3=Lucas |first3=S. G. |title=The new dvinosaurian ''Bermanerpeton kinneyi'' (Temnospondyli), with "branchiosaurid" characters, from the Late Pennsylvanian Kinney Brick Quarry in New Mexico |year=2021 |journal=New Mexico Museum of Natural History and Science Bulletin |volume=84 |pages=433–451 |url=https://www.researchgate.net/publication/350895764 }}</ref> |
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**{{extinct}}''[[Dvinosaurus]]'' |
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**{{extinct}}''[[Erpetosaurus]]''? |
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**{{extinct}}''[[Isodectes]]'' |
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**{{extinct}}''[[Kourerpeton]]'' |
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**{{extinct}}[[Tupilakosauridae]] |
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}} |
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| ⚫ | '''Dvinosaurs''' are one of several new [[clade]]s of [[temnospondyl]]s named in the [[cladistics|phylogenetic]] review of the group by Yates and Warren 2000. They represent a group of primitive semi-aquatic to completely aquatic temnospondyls, and are known from the Late Carboniferous to the Early Triassic, being most common in the [[Permian]] period. Their distinguishing [[apomorphy|characteristics]] are a reduction of the [[otic notch]]; the loss of a flange on the rear side of the [[Pterygoid bone|pterygoid]]; and 28 or more presacral vertebrae. |
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| ⚫ | '''Dvinosaurs''' are one of several new [[clade]]s of [[ |
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[[Trimerorhachidae]] is the most [[basal (phylogenetics)|basal]] family of dvinosaurs. Most other dvinosaurs are placed in the superfamily |
[[Trimerorhachidae]] is the most [[basal (phylogenetics)|basal]] family of dvinosaurs. Most other dvinosaurs are placed in the superfamily Dvinosauroidea. Within Dvinosauroidea are two families, Eobrachyopidae and [[Tupilakosauridae]], as well as dvinosaurs that cannot be placed in either family, such as ''[[Dvinosaurus]]'' and ''[[Kourerpeton]]''. A 2008 phylogenetic analysis found Eobrachyopidae to be [[paraphyletic]], representing a grade of basal dvinosauroids. Below is a [[cladogram]] showing the phylogenetic relationships of dvinosaurs from Englehorn ''et al.'' (2008):<ref name=ESH08>{{cite journal |last=Englehorn |first=J. |author2=Small, B.J. |author3= Huttenlocker, A. |year=2008 |title=A redescription of ''Acroplous vorax'' (Temnospondyli: Dvinosauria) based on new specimens from the Early Permian of Nebraska and Kansas, U.S.A. |journal=Journal of Vertebrate Paleontology |volume=28 |issue=2 |pages=291–305 |doi=10.1671/0272-4634(2008)28[291:AROAVT]2.0.CO;2}}</ref> |
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{{clade| style=font-size:100%;line-height:85% |
{{clade| style=font-size:100%;line-height:85% |
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|2={{clade |
|2={{clade |
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|1=''[[Perryella]]'' |
|1=''[[Perryella]]'' |
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|label2= |
|label2= Dvinosauroidea |
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|2={{clade |
|2={{clade |
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|1=''[[Isodectes]]'' ([[Eobrachyopidae]]) |
|1=''[[Isodectes]]'' ([[Eobrachyopidae]]) |
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==References== |
==References== |
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{{Reflist}} |
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* [[Michel Laurin|Laurin, M.]] and Steyer, J-S (2000) [http://tolweb.org/accessory/Phylogeny_and_Apomorphies_of_Temnospondyls Phylogeny and Apomorphies of Temnospondyls], [[Tree of Life Web Project|The Tree of Life Web Project]] |
* [[Michel Laurin|Laurin, M.]] and Steyer, J-S (2000) [http://tolweb.org/accessory/Phylogeny_and_Apomorphies_of_Temnospondyls Phylogeny and Apomorphies of Temnospondyls]{{Dead link|date=July 2019 |bot=InternetArchiveBot |fix-attempted=yes }}, [[Tree of Life Web Project|The Tree of Life Web Project]] |
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* Yates, A. M., and Warren A. A., 2000, The phylogeny of the ‘higher’ temnospondyls (Vertebrata: Choanata) and its implications for the monophly and origins of the Stereospondyli: ''[[Zoological Journal of the Linnean Society]]'', v. 128, p. 77-121. |
* Yates, A. M., and Warren A. A., 2000, The phylogeny of the ‘higher’ temnospondyls (Vertebrata: Choanata) and its implications for the monophly and origins of the Stereospondyli: ''[[Zoological Journal of the Linnean Society]]'', v. 128, p. 77-121. |
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==External links== |
==External links== |
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* [https://web.archive.org/web/20080102054809/http://www.palaeos.com/Vertebrates/Units/160Temnospondyli/200.html#Dvinosauria Temnospondyli: Limnarchia] at Palaeos |
* [https://web.archive.org/web/20080102054809/http://www.palaeos.com/Vertebrates/Units/160Temnospondyli/200.html#Dvinosauria Temnospondyli: Limnarchia] at Palaeos |
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* [http://www.fmnh.helsinki.fi/users/haaramo/Metazoa/Deuterostoma/Chordata/ |
* [https://web.archive.org/web/20060521111426/http://www.fmnh.helsinki.fi/users/haaramo/Metazoa/Deuterostoma/Chordata/Amphibia/Limnarchia/dvinosauria.htm Dvinosauria] at Mikko's Phylogeny Archive (cladogram based on Yates and Warren 2000) |
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* [http://www.taxonomy.nl/Taxonomicon/TaxonTree.aspx?id=646586 Suborder †Dvinosauria] - Scientific Hierarchy at the Taxonomicon |
* [http://www.taxonomy.nl/Taxonomicon/TaxonTree.aspx?id=646586 Suborder †Dvinosauria] - Scientific Hierarchy at the Taxonomicon |
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{{Temnospondyli|D.}} |
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{{Dvinosauria}} |
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{{Taxonbar|from=Q3716788}} |
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[[Category:Dvinosaurs| ]] |
[[Category:Dvinosaurs| ]] |
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[[Category:Carboniferous temnospondyls]] |
[[Category:Carboniferous temnospondyls]] |
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[[Category:Permian temnospondyls]] |
[[Category:Permian temnospondyls]] |
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[[Category:Triassic temnospondyls]] |
[[Category:Triassic temnospondyls]] |
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[[Category: |
[[Category:Pennsylvanian first appearances]] |
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[[Category: |
[[Category:Early Triassic extinctions]] |
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[[Category:Triassic amphibians of North America]] |
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[[Category:Permian Kansas]] |
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[[Category:Permian geology of Nebraska]] |
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[[Category:Prehistoric animal suborders]] |
[[Category:Prehistoric animal suborders]] |
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[[Category:Amphibian suborders]] |
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{{paleo-amphibian-stub}} |
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{{temnospondyli-stub}} |
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Latest revision as of 18:44, 12 March 2024
| Dvinosauria Temporal range: Late Carboniferous - Early Triassic,
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| Dvinosaurus primus | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Order: | †Temnospondyli |
| Suborder: | †Dvinosauria Yates and Warren, 2000 |
| Subgroups | |
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Dvinosaurs are one of several new clades of temnospondyls named in the phylogenetic review of the group by Yates and Warren 2000. They represent a group of primitive semi-aquatic to completely aquatic temnospondyls, and are known from the Late Carboniferous to the Early Triassic, being most common in the Permian period. Their distinguishing characteristics are a reduction of the otic notch; the loss of a flange on the rear side of the pterygoid; and 28 or more presacral vertebrae.
Trimerorhachidae is the most basal family of dvinosaurs. Most other dvinosaurs are placed in the superfamily Dvinosauroidea. Within Dvinosauroidea are two families, Eobrachyopidae and Tupilakosauridae, as well as dvinosaurs that cannot be placed in either family, such as Dvinosaurus and Kourerpeton. A 2008 phylogenetic analysis found Eobrachyopidae to be paraphyletic, representing a grade of basal dvinosauroids. Below is a cladogram showing the phylogenetic relationships of dvinosaurs from Englehorn et al. (2008):[2]
| Dvinosauria |
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References[edit]
- ^ Werneburg, R.; Schneider, J. W.; Lucas, S. G. (2021). "The new dvinosaurian Bermanerpeton kinneyi (Temnospondyli), with "branchiosaurid" characters, from the Late Pennsylvanian Kinney Brick Quarry in New Mexico". New Mexico Museum of Natural History and Science Bulletin. 84: 433–451.
- ^ Englehorn, J.; Small, B.J.; Huttenlocker, A. (2008). "A redescription of Acroplous vorax (Temnospondyli: Dvinosauria) based on new specimens from the Early Permian of Nebraska and Kansas, U.S.A.". Journal of Vertebrate Paleontology. 28 (2): 291–305. doi:10.1671/0272-4634(2008)28[291:AROAVT]2.0.CO;2.
- Laurin, M. and Steyer, J-S (2000) Phylogeny and Apomorphies of Temnospondyls[permanent dead link], The Tree of Life Web Project
- Yates, A. M., and Warren A. A., 2000, The phylogeny of the ‘higher’ temnospondyls (Vertebrata: Choanata) and its implications for the monophly and origins of the Stereospondyli: Zoological Journal of the Linnean Society, v. 128, p. 77-121.
External links[edit]
- Temnospondyli: Limnarchia at Palaeos
- Dvinosauria at Mikko's Phylogeny Archive (cladogram based on Yates and Warren 2000)
- Suborder †Dvinosauria - Scientific Hierarchy at the Taxonomicon
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