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What life form caused the pattern of deformation seen in this gastropod. Five points each for Kingdom, Class, and Family. hint: It was found on the shore of a lake in Maine.
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These are not fossils, but the concept could be useful in understanding ichno fossils. At first I came to the pool without tadpoles, it was late in the afternoon on a warm day and I moved slowly as I contemplated how the craters were formed. Had birds been probing the mud ? There did not seem to be a direct correspondence between the tracks and the pits though. The next pool I came to was deeper and perhaps allowed tadpoles a better escape from predators. The pictures were taken the next morning and the tadpoles were more disturbed by my approach so it doesn't show the behavior, but they seemed to be covering themselves with silt in the pits. Applying sun screen perhaps ? Or is the correlation coincidental ?