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Contents

   



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1 Description  





2 Phylogeny  





3 References  














Gorgonichthys






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From Wikipedia, the free encyclopedia
 

(Redirected from Gorgonichthys clarki)

Gorgonichthys
Temporal range: Late Devonian: Famennian, 371.1–359.3 Ma

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Reconstruction of Gorgonichthys clarki
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Placodermi
Order: Arthrodira
Suborder: Brachythoraci
Clade: Eubrachythoraci
Clade: Pachyosteomorphi
Clade: Aspinothoracidi
Genus: Gorgonichthys
Claypole, 1892
Species
  • Gorgonichthys clarki Claypole, 1892 (type)
Gorgonichthys jaws.
The infragnathals (lower jaws) of Gorgonicthys with a 1-liter water bottle for scale (bottle is approximately 23 cm tall). These specimens were collected from the Cleveland Shale and are in the collections of the Cleveland Museum of Natural History's Department of Vertebrate Paleontology.
Ventral plates of Gorgonichthys clarki

Gorgonichthysisextinct monospecific genus of large arthrodire placoderm. Fossils are found in the Upper Famennian Cleveland ShalesofLate DevonianinOhio. The type speciesisGorgonichthys clarki.

Description[edit]

Gorgonichthys had sharp, pointed edges on the dental plates of the upper and lower jaws.[1] With a headshield length of up to 70 cm (28 in),[2] it is estimated to have been comparable to the size of Dunkleosteus.[3]

Phylogeny[edit]

Gorgonichthys is a member of the clade Aspinothoracidi, which belongs to the clade Pachyosteomorphi, one of the two major clades within Eubrachythoraci. It is closely related to the family Selenosteidae, and could possibly be included in that family. The cladogram below shows the phylogenyofGorgonichthys:[4]

Eubrachythoraci 

According to a 2022 Jobbins et al. study, Gorgonichthys was found to be more related to Heintzichthys than Gymnotrachelus, potentially making Gorgonichthys a member of Selenosteidae.[5]

References[edit]

  1. ^ Charlie Underwood, Martha Richter, Zerina Johanson (2019). Evolution and Development of Fishes. Cambridge University Press. p. 13. ISBN 9781107179448. Retrieved 1 September 2022.{{cite book}}: CS1 maint: multiple names: authors list (link)
  • ^ John A. Long. "A new dinichthyid fish (Placodermi: Arthrodira) from the Upper Devonian of Western Australia, with a discussion of dinichthyid interrelationships". Rea. West. Aust. Mus. 1987, p. 537.
  • ^ Joseph S. Nelson, Terry C. Grande, Mark V. H. Wilson (2016). Fishes of the World. Wiley. p. 40. ISBN 9781119220817. Retrieved 1 September 2022.{{cite book}}: CS1 maint: multiple names: authors list (link)
  • ^ Zhu, You-An; Zhu, Min; Wang, Jun-Qing (1 April 2016). "Redescription of Yinostius major (Arthrodira: Heterostiidae) from the Lower Devonian of China, and the interrelationships of Brachythoraci". Zoological Journal of the Linnean Society. 176 (4): 806–834. doi:10.1111/zoj.12356. ISSN 0024-4082.
  • ^ Jobbins, Melina; Rücklin, Martin; Ferrón, Humberto G.; Klug, Christian (2022). "A new selenosteid placoderm from the Late Devonian of the eastern Anti-Atlas (Morocco) with preserved body outline and its ecomorphology". Frontiers in Ecology and Evolution. 10. doi:10.3389/fevo.2022.969158. hdl:10550/85583. ISSN 2296-701X.

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  • Retrieved from "https://en.wikipedia.org/w/index.php?title=Gorgonichthys&oldid=1221645058"

    Categories: 
    Arthrodires
    Arthrodire genera
    Placoderms of North America
    Paleontology in Ohio
    Famennian life
    Famennian genus first appearances
    Famennian genus extinctions
    Placoderm stubs
    Hidden categories: 
    CS1 maint: multiple names: authors list
    Articles with short description
    Short description matches Wikidata
    Articles with 'species' microformats
    Taxonbars with multiple manual Wikidata items
    All stub articles
     



    This page was last edited on 1 May 2024, at 03:58 (UTC).

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