Claim: Sarcoprion is an extinct genus of the extinct family Helicoprionidae.
Evidence: Sarcoprion (from the Ancient Greek for "flesh saw") is an extinct genus of eugeneodontid holocephalids from the Permian of Greenland. Family: †Helicoprionidae The Helicoprionidae are an extinct, poorly known family of bizarre holocephalids within the poorly understood order Eugeneodontida.