''Eugnathides'' is an
extinct
Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of prehistoric marine
ray-finned fish
Actinopterygii (; ), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that comprise over 50% of living vertebrate species. They are so called because of their lightly built fins made of webbings of sk ...
that lived during the
Late Jurassic
The Late Jurassic is the third Epoch (geology), epoch of the Jurassic Period, and it spans the geologic time scale, geologic time from 161.5 ± 1.0 to 143.1 ± 0.8 million years ago (Ma), which is preserved in Upper Jurassic stratum, strata.Owen ...
epoch. It contains a single species, ''E. browni'' from the
Oxfordian-aged
Jagua Formation
The Jagua Formation is a Late Jurassic (middle to late Oxfordian (stage), Oxfordian) geologic Formation (geology), formation in the Sierra de los Órganos and Sierra del Rosario mountain ranges in Pinar del Río Province, western Cuba. Plesiosaur ...
of Cuba.
It is thought to most likely be a
pachycormiform, although it is in need of taxonomic revision.
See also
*
Prehistoric fish
__NOTOC__
Prehistoric fish are early fish that are known only from fossil records. They are the earliest known vertebrates, and include the first and extinct fish that lived through the Cambrian to the Quaternary. The study of prehistoric fish is ...
*
List of prehistoric bony fish
This list of prehistoric bony fish is an attempt to create a comprehensive listing of all Genus, genera from the fossil record that have ever been considered to be bony fish (class Osteichthyes), excluding purely vernacular terms. The list includ ...
References
External links
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Pachycormiformes
Monotypic prehistoric ray-finned fish genera
Late Jurassic bony fish
Jurassic fish of North America
Oxfordian genera
Fossils of Cuba
Taxa named by William King Gregory
Fossil taxa described in 1923
{{Pachycormiformes-stub