Fish from the Carboniferous period.
“Edaphodon was a prehistoric chimaeriforme fish genus belonging to the family callorhinchidae...Edaphodon
“Gyracanthus is an extinct species of acanthodian that lived between the early Devonian and the...Gyracanthus
“Xenacanthus is a genus of prehistoric sharks. The first species of the genus lived in the later...Xenacanthus