Euteleostei

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Clade of ray-finned fishes

title: "Euteleostei" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["euteleostei"] description: "Clade of ray-finned fishes" topic_path: "general/euteleostei" source: "https://en.wikipedia.org/wiki/Euteleostei" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Clade of ray-finned fishes ::

| fossil_range = Inferred Late Triassic origins | image = Bachforelle Zeichnung.jpg | image_caption = Brown trout (Salmo trutta) | taxon = Euteleostei | authority = Greenwood et al., 1966 | subdivision_ranks = Subdivisions | subdivision = See text | synonyms = *Euteleosteomorpha Greenwood et al., 1966

Euteleostei, whose members are known as euteleosts, is a clade of bony fishes within Teleostei that evolved some 240 million years ago, although the oldest known fossil remains are only from the Early Cretaceous. It is divided into Protacanthopterygii (including the salmon and dragonfish) and Neoteleostei (including the lanternfish, lizardfish, oarfish, and Acanthopterygii).

Taxonomy

The following taxa are known:

The divergence dates on the cladogram are based on Near et al. (2012), and the topology is based on Betancur-Rodriguez et al. 2016. In the topology of Near et al. (2012), Galaxiiformes were found to be sister to Neoteleostei instead. Near et al. (2012) explored the phylogeny and divergence times of every major lineage, analysing the DNA sequences of 9 unlinked genes. Near et al. also calibrated (set actual values for) branching times in this tree from 36 reliable measurements of absolute time from the fossil record.

|label1=Euteleostei |sublabel1=(240 mya) |1={{clade |label1=Lepidogalaxii |1=Lepidogalaxiiformes (salamanderfish) |2={{clade |label1=Protacanthopterygii |sublabel1=(225 mya) |1={{clade |1=Argentiniformes (marine smelts) |2={{clade |1=Galaxiiformes (white bait and mudfishes) |2={{clade |1=Esociformes (pike) [[File:Esox lucius1.jpg|70px]] |2=Salmoniformes (salmon, trout) [[File:Salmo salar (crop).jpg|70px]] |2={{clade |label1=Stomiati |1={{clade |1=Stomiiformes (dragonfish) [[File:Fish4104 - Flickr - NOAA Photo Library.jpg|70px]] |2=Osmeriformes (smelt) [[File:Pond smelt illustration.jpg|70px]] |label2=Neoteleostei |sublabel2=(175 mya) |2={{clade |label1=Ateleopodia |1=Ateleopodidae (jellynoses) [[File:Ijimaia plicatellus1.jpg|70px]] |label2=Eurypterygia |2={{clade |label1=Aulopa |1=Aulopiformes (lizardfish) [[File:Aulopus filamentosus.jpg|70px]] |label2=Ctenosquamata |2={{clade |label1=Scopelomorpha |1=Myctophiformes (lanternfish) [[File:Myctophum punctatum1.jpg|70px]] |2=Acanthomorpha [[File:Scomber scombrus.png|70px]]

References

References

  1. (18 April 2024). "Phylogenetic classification of living and fossil ray-finned fishes (Actinopterygii)". Bulletin of the Peabody Museum of Natural History.
  2. Thomas J. Near. (2012). "Resolution of ray-finned fish phylogeny and timing of diversification". PNAS.
  3. Betancur-R, Ricardo. (2013). "The Tree of Life and a New Classification of Bony Fishes". PLOS Currents Tree of Life.
  4. (1995). "A reevaluation of early amniote phylogeny". Zoological Journal of the Linnean Society.
  5. Betancur-Rodriguez. (2016). "Phylogenetic Classification of Bony Fishes Version 4".
  6. Near, Thomas J.. (2012). "Resolution of ray-finned fish phylogeny and timing of diversification". PNAS.

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euteleostei