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Temporal range: Thanetian
Trachicaranx tersus.jpg
Archaeus and T. tersus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Carangidae
Genus: Trachicaranx
Species: T. tersus
  • Uylyaichthys eugeniae

Trachicaranx tersus is an extinct primitive, pompano-like jack fish from what is now Turkmenistan. 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."