Cylindracanthus is an extinct genus of Cretaceous to Eocene ray-finned fish. See also Prehistoric fish List of prehistoric bony fish External links Bony fish in the online Sepkoski Database Cylindracanthus at fossilworks Prehistoric ray-finned fish genera Cretaceous bony fish Late Cretaceous fish Paleocene fish Eocene fish Acanthomorpha Prehistoric fish of Asia Prehistoric fish of Europe Taxa named by Joseph Leidy Fossil taxa described in 1856