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Showing results for tags 'schoolcraft fm'.
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I have two items on which I am requesting opinions. These are from a dolomitic nodule from the Schoolcraft Fm. in the upper peninsula of Michigan. The first one I think is a pygidium of the trilobite Scutellum. (note there appear to be some other trilo"bits" surrounding it). @piranha, what do you think? Here is an image from Ehlers (1973) Stratigraphy of the Niagaran Series of the Northern Peninsula of Michigan that he has as Scutellum laphami.
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- graptolite
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- encrinurus
- michigan
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I think this one is a conodont (see tags for formation, location). Scale in mm. No conodonts were reported by Ehlers (1973) thorough study on these formations, so I am guessing if this is a conodont, it's a somewhat rare find.
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