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{{Automatic taxobox
{{Automatic taxobox
| name = ''Acentrophorus''
| name = ''Acentrophorus''
| fossil_range = [[Permian]] - [[Triassic]], {{fossilrange|259|242|ref=<ref name = "fossilworks">{{Cite web|url=http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=35134|title=†''Acentrophorus'' Traquair 1877 (ray-finned fish)|last=|first=|date=|website=Fossilworks – Gateway to the Paleobiology Database|access-date=17 December 2021}}</ref>}}
| fossil_range = [[Wuchiapingian]]<br/>{{fossilrange|259.51|254.14|ref=<ref name = "fossilworks">{{Cite web|url=http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=35134|title={{extinct}}''Acentrophorus'' Traquair 1877 (ray-finned fish)|last=|first=|date=|website=Fossilworks – Gateway to the Paleobiology Database|access-date=17 December 2021}}</ref><ref name="Romano et al 2016"/>}}
| taxon = Acentrophorus
| image = Acentrophorus varians.jpg
| image_caption = ''Acentrophorus varians''
⚫
| authority = Traquair, 1877
| image2=<span style ="{{MirrorH}}">[[File:Acentrophorus rekonstruktion.jpg|220px]]</span>
⚫
| subdivision_ranks = Species
| taxon = Acentrophorus
⚫
| subdivision = *†''Acentrophorus abbsii'' <small>(Kirkby, 1862)</small>
⚫
| authority = [[Ramsay Traquair|Traquair]], 1877
⚫
*†''A. altus'' <small>(Kirkby, 1864)</small>
| binomial = {{extinct}}''Palaeoniscus glaphyrus''
⚫
*†''A. glaphyurus'' <small>(Agassiz, 1833)</small>
| binomial_authority = [[Louis Agassiz|Agassiz]], 1835
*†''A. varians'' <small>(Kirkby, 1862)</small>
⚫
| subdivision_ranks = Species
| subdivision =
⚫
*{{extinct}}''A. abbsii'' <small>(Kirkby, 1862)</small>
⚫
*{{extinct}}''A. altus'' <small>(Kirkby, 1864)</small>
⚫
*{{extinct}}''A. varians'' <small>(Kirkby, 1862)</small>
}}
}}


'''''Acentrophorus''''' is an [[extinct]] [[genus]] of prehistoric [[ray-finned fish]] from the [[Wuchiapingian]] ([[Lopingian]]/late [[Permian]]) of England ([[Marl Slate]]) and Germany ([[Kupferschiefer]]).<ref name="Romano et al 2016">{{cite journal |last1=Romano |first1=Carlo |last2=Koot |first2=Martha B. |last3=Kogan |first3=Ilja |last4=Brayard |first4=Arnaud |last5=Minikh |first5=Alla V. |last6=Brinkmann |first6=Winand |last7=Bucher |first7=Hugo |last8=Kriwet |first8=Jürgen |title=Permian-Triassic Osteichthyes (bony fishes): diversity dynamics and body size evolution |journal=Biological Reviews |date=2016 |volume=91 |issue=1 |pages=106–147 |doi=10.1111/brv.12161 |pmid=25431138 |s2cid=5332637 }}</ref> There may also be a [[Triassic]] occurrence in [[Australia]].<ref name = "fossilworks"/>
'''''Acentrophorus''''' is an extinct genus of prehistoric [[Actinopterygii|ray-finned fish]] from the [[Permian]] and [[Triassic]] periods. Fossils have been found in [[Australia]], [[Germany]] and [[the United Kingdom]].<ref name = "fossilworks"/> It was the oldest known [[Neopterygii|neopterygian]].<ref>{{Cite web|url=http://palaeos.com/vertebrates/neopterygii/semionotiformes.html|title=Neopterygii: Semionotiformes|last=|first=|date=|website=Palaeos|access-date=9 March 2017}}</ref>

==Classification==
The [[type species]], ''Acentrophorus glaphyrus'', was first described under the genus name "''[[Palaeoniscum|Palaeoniscus]]''" ''glaphyrus'' by [[Louis Agassiz]]. [[Ramsay Traquair]] later errected a new genus for this species, ''Acentrophorus''.

''Acentrophorus'' has been referred to the [[ginglymodian]] [[order (biology)|order]] [[Semionotiformes]].<ref>{{cite journal|last=Sepkoski |first=Jack |title=A compendium of fossil marine animal genera |journal=Bulletins of American Paleontology |volume=364 |pages=560 |year=2002 |url=http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=611&rank=class |accessdate=2009-02-23 |url-status=dead |archiveurl=https://web.archive.org/web/20110723131237/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=611&rank=class |archivedate=2011-07-23 }}</ref> ''Acentrophorus'' was proposed to be the oldest known [[neopterygian]], the group of ray-finned fish that encompasses the vast majority of [[neontology|extant]] [[species]],<ref>{{Cite web|url=http://palaeos.com/vertebrates/neopterygii/semionotiformes.html|title=Neopterygii: Semionotiformes|last=|first=|date=|website=Palaeos|access-date=9 March 2017}}</ref> a vie that was questioned in recently.<ref>{{cite journal |last1=Romano |first1=Carlo |title=A Hiatus Obscures the Early Evolution of Modern Lineages of Bony Fishes |journal=Frontiers in Earth Science |date=January 2021 |volume=8 |pages=618853 |doi=10.3389/feart.2020.618853|doi-access=free }}</ref>


==See also==
==See also==
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==References==
==References==
* {{cite journal|last=Sepkoski |first=Jack |title=A compendium of fossil marine animal genera |journal=Bulletins of American Paleontology |volume=364 |pages=560 |year=2002 |url=http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=611&rank=class |accessdate=2009-02-23 |url-status=dead |archiveurl=https://web.archive.org/web/20110723131237/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=611&rank=class |archivedate=2011-07-23 }}

=== Notes ===
{{Reflist}}
{{Reflist}}


⚫
{{Ginglymodi|state=autocollapse}}
{{Taxonbar|from=Q4673086}}
{{Taxonbar|from=Q4673086}}
⚫
{{Ginglymodi}}


[[Category:Semionotiformes]]
[[Category:Semionotiformes]]

Revision as of 15:23, 3 September 2023

Acentrophorus
Temporal range: Wuchiapingian
259.51–254.14 Ma[1][2]
Acentrophorus varians
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Clade: Ginglymodi (?)
Family: †Acentrophoridae
Genus: †Acentrophorus
Traquair, 1877
Binomial name
†Palaeoniscus glaphyrus
Agassiz, 1835
Species
  • †A. abbsii (Kirkby, 1862)
  • †A. altus (Kirkby, 1864)
  • †A. varians (Kirkby, 1862)

Acentrophorus is an extinct genus of prehistoric ray-finned fish from the Wuchiapingian (Lopingian/late Permian) of England (Marl Slate) and Germany (Kupferschiefer).[2] There may also be a Triassic occurrence in Australia.[1]

Classification

The type species, Acentrophorus glaphyrus, was first described under the genus name "Palaeoniscus" glaphyrus by Louis Agassiz. Ramsay Traquair later errected a new genus for this species, Acentrophorus.

Acentrophorus has been referred to the ginglymodian order Semionotiformes.[3] Acentrophorus was proposed to be the oldest known neopterygian, the group of ray-finned fish that encompasses the vast majority of extant species,[4] a vie that was questioned in recently.[5]

See also

References

  1. ^ a b "†Acentrophorus Traquair 1877 (ray-finned fish)". Fossilworks – Gateway to the Paleobiology Database. Retrieved 17 December 2021.
  2. ^ a b Romano, Carlo; Koot, Martha B.; Kogan, Ilja; Brayard, Arnaud; Minikh, Alla V.; Brinkmann, Winand; Bucher, Hugo; Kriwet, Jürgen (2016). "Permian-Triassic Osteichthyes (bony fishes): diversity dynamics and body size evolution". Biological Reviews. 91 (1): 106–147. doi:10.1111/brv.12161. PMID 25431138. S2CID 5332637.
  3. ^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Archived from the original on 2011-07-23. Retrieved 2009-02-23.
  4. ^ "Neopterygii: Semionotiformes". Palaeos. Retrieved 9 March 2017.
  5. ^ Romano, Carlo (January 2021). "A Hiatus Obscures the Early Evolution of Modern Lineages of Bony Fishes". Frontiers in Earth Science. 8: 618853. doi:10.3389/feart.2020.618853.
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