I am working on learning to identify the shark teeth we've collected at the beach the last few months and am finding it difficult on some of the smaller ones (though none of them are really big). Especially when the book says lack of serrations is a big identifier for a specific shark, but then says that some of the teeth may have serrations anyways (just a general example).  Anyway, the root of this tooth is shaped a lot differently than the others. Not sure if maybe some of the features are wo