I've been photographing some of the teeth I've collected over the years and recently completed some of the catsharks from North and South Carolina. Fossil catshark teeth can be difficult to identify. There are differences with tooth position, age and gender of the shark. Some publications have lumped many of the catsharks under the genus Scyliorhinus. I've tried to identify my fossils using some of the more recent publications available to me but I'm sure there are mistakes in some of my identif