Topic summary
Dinichthys

Dinichthys (from Greek: δεινόςdeinós, 'terrible' and Greek: ἰχθύςichthys 'fish') is an extinctmonospecificgenus of large marine arthrodireplacoderm from the Late Devonian (Famennian stage) measuring around 3 metres (9.8 ft) long. Fossils were recovered from the Ohio Shale Formation along the Olentangy River in Delaware County, Ohio.