Euteleostei, whose members are known as euteleosts, is a clade of bony fishes within

Teleostei Teleostei (; Greek ''teleios'' "complete" + ''osteon'' "bone"), members of which are known as teleosts ), is, by far, the largest infraclass in the class Actinopterygii, the ray-finned fishes, containing 96% of all extant species of fish. Tele ...

that evolved some 240 million years ago. It is divided into

Protacanthopterygii Protacanthopterygii is a ray-finned fish taxon ranked as a superorder of the infraclass Teleostei. They inhabit both marine and freshwater habitats. They appear to have evolved in the Cretaceous or perhaps late Jurassic, originating probably rou ...

(including the

salmon Salmon () is the common name In biology, a common name of a taxon or organism (also known as a vernacular name, English name, colloquial name, country name, popular name, or farmer's name) is a name that is based on the normal language of ...

and dragonfish) and

Neoteleostei The Neoteleostei is a large clade of bony fish that includes the Ateleopodidae (jellynoses), Aulopiformes (lizardfish), Myctophiformes (lanternfish), Polymixiiformes (beardfish), Percopsiformes (Troutperches), Gadiformes (cods), Zeiformes (do ...

(including the lanternfish, lizardfish, oarfish, and

Acanthopterygii Acanthopterygii (meaning "spiny finned one") is a superorder of bony fishes in the class Actinopterygii. Members of this superorder are sometimes called ray-finned fishes for the characteristic sharp, bony rays in their fins; however this name i ...

). The

cladogram A cladogram (from Greek ''clados'' "branch" and ''gramma'' "character") is a diagram used in cladistics to show relations among organisms. A cladogram is not, however, an evolutionary tree because it does not show how ancestors are related to ...

is based on Near et al. (2012) and Betancur-Rodriguez et al. 2016. They explored the

phylogeny A phylogenetic tree (also phylogeny or evolutionary tree Felsenstein J. (2004). ''Inferring Phylogenies'' Sinauer Associates: Sunderland, MA.) is a branching diagram or a tree showing the evolutionary relationships among various biological spe ...

and divergence times of every major lineage, analysing the DNA sequences of 9 unlinked

gene In biology, the word gene (from , ; "... Wilhelm Johannsen coined the word gene to describe the Mendelian units of heredity..." meaning ''generation'' or ''birth'' or ''gender'') can have several different meanings. The Mendelian gene is a b ...

s. They calibrated (set actual values for) branching times in this tree from 36 reliable measurements of absolute time from the

fossil A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...

record.

References

{{Taxonbar, from=Q1378777