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Showing results for tags 'hybodus fin spine'.
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Hello! I found this chunk of something in Frankstown, MS while looking for shark teeth. There is so much petrified driftwood there and many pieces look similar to this. I picked this out at first thinking it was wood.. but I didn't see the little bumps along one side (I'm being very generic because I don't want to call it something it isn't and I'm not sure yet what it is ) until I got home. I also noticed when I got home that it is hollow and looks a bit like bone. After seeing this, I thought it was probably a fin spine or a ray barb. Others say it is a barb, but if it is, I'd love to know more. I would think it would have denticles along both sides, but the other side is rounded. Rays found at this location are Brachyrhizodus wichitaensis and Brachyrhizodus mcnultii. Specimen is 2" long