Trachicaranx

{{Short description|Extinct species of fish}}

{{Speciesbox

| fossil_range = Thanetian

| image = Trachicaranx_tersus.jpg

| image_caption = Archaeus and T. tersus

| taxon = Trachicaranx tarsus

| parent_authority = Daniltshenko, 1968{{cite web | url = https://arctos.database.museum/name/Trachicaranx | title = Taxonomy Details for Trachicaranx | accessdate = 30 November 2019 | publisher = Arctos}}

| authority = Daniltshenko, 1968

| synonyms = * Uylyaichthys eugeniae Prokofiev, 2002

}}

Trachicaranx tersus is an extinct primitive, pompano-like jack fish from what is now Turkmenistan.{{Cite web |title=PBDB Taxon |url=https://paleobiodb.org/classic/basicTaxonInfo?taxon_no=36220 |access-date=2024-05-19 |website=paleobiodb.org}} It lived in an ocean upwelling with its relative, Archaeus oblongus during the Thanetian epoch of the late Paleocene. Some incomplete fossil specimens were once identified as being a separate species, "Uylyaichthys eugeniae."{{Cite book |last=Bannikov |first=Alexander |url=https://www.researchgate.net/publication/266379332_Fossil_Vertebrates_of_Russia_and_Adjacent_Countries_Fossil_Acanthopterygians_Fishes_Teleostei_Acanthopterygii_in_Russian |title=Fossil Vertebrates of Russia and Adjacent Countries. Fossil Acanthopterygians Fishes (Teleostei, Acanthopterygii) |date=2009 |publisher=GEOS, Moscow |language=Russian}}