The mystery concerns the two dark linear objects in the center of the photo. They are each slightly more than half a centimeter long. They are Chesterian (Mississippian, lower Carboniferous) & were collected from a tropical carbonate platform in northwestern Alabama, USA.
2 comments:
They are shell-crushing shark teeth.
Dan Phelps
Clearly, those are slug larvae from the planetoids around Beta Persei, a.k.a. the Demon Star. Do not put water on them.
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