A Description of the New Hybodont Shark Genus, Columnaodus , from the Burlington and Keokuk Limestones (Carboniferous, Mississippian, Osagean) of Illinois and Iowa, USA. - Cicimurri, David; Ciampaglio, Charles; Hoenig, Matthew; Shell, Ryan; Fuelling, Lauren; Peterman, David; Cline, Daniel A.; Jacquemin, Stephen (Diversity (14242818), 2024)