Eothynnus

Eothynnus is an extinct species of prehistoric jackfish that lived during the lower Eocene of Europe. It contains a single species, E. salmoneus from what is now the Isle of Sheppey (as a part of the London Clay Lagerstatten) in England.^[1][2] It is known exclusively from some preserved skulls.^[3]

Eothynnus Temporal range: Ypresian[1] PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Carangiformes
Suborder:	Carangoidei
Family:	Carangidae
Genus:	†Eothynnus Woodward, 1901
Species:	†E. salmoneus
Binomial name
†Eothynnus salmoneus Woodward, 1901

It was originally thought to be a tuna or mackerel, hence the generic name translating as "dawn" or "Eocene tuna."^[2] Later, it was reappraised to be a jackfish, related to Teratichthys and Eastmanalepes (syn. "Caranx primaevus").^[4][5]

See also

• Paleontology portal
• Fish portal

• Prehistoric fish
• List of prehistoric bony fish