''Atacamichthys'' is an extinct genus of 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 ...

. It contains one species, ''Atacamichthys greeni'', which lived in what is now

Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...

during the Oxfordian stage of 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. ''Atacamichthys'' is the only member of the family Atacamichthyidae.

References

Prehistoric teleostei Monotypic prehistoric ray-finned fish genera Oxfordian genera Late Jurassic bony fish Jurassic fish of South America Jurassic Chile Fossils of Chile Fossil taxa described in 1987 {{Jurassic-fish-stub