Fig. 12From: A new cochliodont anterior tooth plate from the Mississippian of Alabama (USA) having implications for the origin of tooth plates from tooth filesHolotype of Helodus coxanus Newberry, 1897, USNM V3518. a Occlusal view. Lingual end to left. Millimeter scale divisions. b Lateral view. Lingual end to left. Millimeter scale divisions. A drawing of this specimen was published as Newberry, 1897 ([34], pl. 24, fig. 24). Images copyrighted, Smithsonian Institution, all rights reservedBack to article page