Benneviaspidida: Difference between revisions
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added a cladogram (Dicranaspis is apparently a junior homonym, btw) |
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{{short description|Order of fossil fishes}} |
{{short description|Order of fossil fishes}} |
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{{Automatic taxobox |
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{{Taxobox |
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| image = Boreaspis.JPG |
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| image_caption = ''[[Boreaspis]]'', a fish in order ''Benneviaspidida'' |
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| fossil_range = {{fossilrange|416|398}} Early [[Devonian]] |
| fossil_range = {{fossilrange|416|398}} Early [[Devonian]] |
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| image = Boreaspis.JPG |
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| image_caption = Life restoration of ''[[Boreaspis]]'' |
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| phylum = [[Chordata]] |
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| taxon = Benneviaspidida |
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| authority = |
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| ordo_authority = |
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| subdivision_ref = <ref name="Sansom2009">{{cite journal |last1=Sansom |first1=R. S. |title=Phylogeny, classification and character polarity of the Osteostraci (Vertebrata) |journal=Journal of Systematic Palaeontology |date=2009 |volume=7 |issue=1 |pages=95–115 |doi=10.1017/S1477201908002551}}</ref> |
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| subdivision = |
| subdivision = |
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* {{Extinct}}''[[Benneviaspis]]'' |
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* {{Extinct}}''[[Ectinaspis]]'' |
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* {{Extinct}}''[[Securiaspis]]'' |
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* {{Extinct}}'''Boreaspidoidea''' |
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** {{Extinct}}''[[Hoelaspis]]'' |
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** {{Extinct}}''[[Severaspis]]'' |
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** {{Extinct}}'''Boreaspididae''' |
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*** {{Extinct}}''[[Belonaspis]]'' |
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*** {{Extinct}}''[[Boreaspis]]'' |
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*** {{Extinct}}''[[Spatulaspis]]'' |
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*** {{Extinct}}''[[Tauraspis]]'' |
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}} |
}} |
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==Phylogeny== |
==Phylogeny== |
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The [[cladogram]] below is adapted from Sansom (2009):<ref name="Sansom2009" /> |
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{{Clade |
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*'''[[Osteostraci]]''' |
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**''[[Ateleaspis]]'' |
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|1={{Clade |
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**''[[Aceraspis]]'' |
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|1=''[[Ectinaspis]]'' |
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|2={{Clade |
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**''[[Hirella]]'' |
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|1=''[[Securiaspis]]'' |
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|2={{Clade |
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**[[Tremataspidae]] |
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|1=''[["Benneviaspis" longicornis]]'' |
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**[[Dartmuthiidae]] |
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|2={{Clade |
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**[[Sclerodontidae]] |
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|1={{Clade |
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**[[Tannuaspidida]] |
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|1=''[["Benneviaspis" anglica]]'' |
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**[[Cornuata]] |
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|2={{Clade |
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***[[Cephalaspidida]] |
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|1=''[["Benneviaspis" lankasteri]]'' |
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***[[Zenaspidida]] |
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|2=''[[Benneviaspis]]'' |
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***'''Benneviaspidida''' |
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}} }} |
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|label2=[[Boreaspidoidea]] |
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|2={{Clade |
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|1=''[[Hoelaspis]]'' |
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|2=''[[Severaspis]]'' |
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|3={{Clade |
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|1=''[["Boreaspis" ceratops]]'' |
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|2=''[["Boreaspis" intermedia]]'' |
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|3=''[[Boreaspis]]'' |
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|4=''Dicranaspis'' |
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|5={{Clade |
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|1=''[[Spatulaspis]]'' |
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|2={{Clade |
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|1=''[[Belonaspis]]'' |
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|2={{Clade |
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|1=''[[Hapilaspis]]'' |
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|2=''[[Tauraspis]]'' |
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}} }} }} }} }} }} }} }} }} }} |
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== References == |
== References == |
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* [https://web.archive.org/web/20100715070442/http://www.vertpaleo.org/publications/jvp/15-449-462.cfm Early Devonian osteostracans from Russia] |
* [https://web.archive.org/web/20100715070442/http://www.vertpaleo.org/publications/jvp/15-449-462.cfm Early Devonian osteostracans from Russia] |
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{{Taxonbar|from=Q4889790}} |
{{Taxonbar|from=Q4889790}} |
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[[Category:Osteostraci]] |
[[Category:Osteostraci]] |
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[[Category:Devonian jawless fish]] |
[[Category:Devonian jawless fish]] |
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[[Category:Early Devonian first appearances]] |
[[Category:Early Devonian first appearances]] |
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Latest revision as of 23:24, 10 September 2022
| Benneviaspidida Temporal range: Early Devonian
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| Life restoration of Boreaspis | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Osteostraci |
| Order: | †Benneviaspidida |
| Subgroups[1] | |
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Benneviaspidida is an order of osteostracan jawless fishes which lived in the Early Devonian. The fishes in this order have a flat headshield and are dorsoventrally depressed. The first canal to lateral sensory field bifurcates near the orbit.
Phylogeny
[edit]The cladogram below is adapted from Sansom (2009):[1]
| Benneviaspidida | |
References
[edit]- ^ a b Sansom, R. S. (2009). "Phylogeny, classification and character polarity of the Osteostraci (Vertebrata)". Journal of Systematic Palaeontology. 7 (1): 95–115. doi:10.1017/S1477201908002551.
