The Trachichthyiformes are an order of
ray-finned fish
Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species.
The ray-finned fishes are so called because their fins are webs of skin supported by bony or hor ...
es in the superorder
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 ...
.
Phylogeny
A recent phylogeny based on the work of Betancur-Rodriguez ''et al.'' 2017 shows Trachichthyiformes as a sister group of
Beryciformes
The Beryciformes are a poorly-understood order of carnivorous ray-finned fishes consisting of 7 families, 30 genera, and 161 species. They feed on small fish and invertebrates. Beyond this, little is known about the biology of most member speci ...
in the clade Berycimorpha.
References
* Hgulichthys, nouveau genre de Lissoberycinae (Trachichthyiformes, Trachichthyoidea) du Cénomanien inférieur marin de Hgula (Liban). Implications ... O Otero, Y Dutour, M Gayet, Geobios, 1995
Ray-finned fish orders
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