Octomacrum spinum (Monogenoidea: Polyopisthocotylea: Octomacridae) from highland stoneroller, Campostoma spidaceum (Cypriniformes: Leuciscidae) from Arkansas and Oklahoma, USA, with a summary of the genus from North American and European fishes. - McAllister, Chris T.; Leis, Eric M.; Cloutman, Donald G.; Robison, Henry W. (Systematic Parasitology, 2024)