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Showing results for tags 'invertebrate fossil'.
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This is yet another invertebrate fossil that has perplexed me. In the field I thought it was an ostracod, but under closer inspection it has shown itself to be something different. I don't think that it is a brachiopod piece this time, but bryozoan would possibly fit. Another possibility I thought of was the end of an extremely small trilobite glabella, with a dent running through the center. Yet another possibility is nothing, but it is pretty symmetrical, so I think it is a fossil. I presume it is from the Hersey Formation. I found it on the seashore, and it seemed to be brought by the current. There are ostracods in it that match with what I know of this formation, but I am uncertain. All the formations in the area, though, are Silurian. It is approximately 900 microns long. Here are pictures of it:
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- hersey formation
- invertebrate fossil
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I have been going through my collection, and came across this fossil. It is from the Leighton Formation, Maine, which is Pridoli. It is preserved in a gray shale. I was thinking that it might be a Receptaculid, but that did not seem to quite fit. In the pictures below, the top is of the cast of it, and the middle photo is the external mold, and the furthest down is it with scale (millimeters). Thanks everyone for your help!
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- fossil identification
- invertebrate fossil
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