In a recent post by KYAL http://www.thefossilforum.com/index.php?/topic/46403-new-mexico-and-oklahoma-microfossils/ were some Permian teeth from Waurika Oklahoma that MarcoSr identified as Trimerorhachis insignis, a Permian Labyrinthodont amphibian. When I saw the teeth I immediately thought they were ray-finned fish because I saw an acrodin cap on the tip of the teeth, something only ray-finned fish have. After some discussion, Marco Sr. offered to send me some teeth to cut and polish because