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Showing results for tags 'mucrospirifer'.
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As I've been cataloging my Devonian finds, in my research I've come across both mucrospirifer and mediospirifer. I'm not certain of the characteristics that would set the two apart. Can anyone provide some clarity or point me towards a resource that could?
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- mediospirifer
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Since we both had the day off, my daughter and I spent a couple of hours at the Deer Lake site (Schuylkill County PA). It was a beautiful sunny day in the mid 50s! A good start to this years fossiling adventures...
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From the album: Mahantango Formation
Mucrospirifer-
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- brachiopod
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Took a few college friends out to the Deer Lake region today. Was the first time fossil hunting for one of them and the first time finding non shark teeth for another. Checked out a couple different outcroppings, everyone took a few things they enjoyed. Here is my haul from the day (feel free to correct if I miss IDed)... 1x Eldregeops 3x Mucrospirifer 1x Leptodesma
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Hello fossil experts! I have a background in geosciences but know very little about fossils. I found the below fossils along the Rouge River near Detroit (Michigan). Doing some quick research, I think these are from the Mucrospirifer order, probably of the Thedfordensis species. Do you agree? (longest is about 1.5 inch / 4 cm) The thing I'm most puzzled about is from what strata they are from. The interweb tells me these Mucrospirifer here are mostly from the Middle Devonian (Antrim shale, Traverse Group), while the location where I found these (as well as all of the upstream terrain) has younger bedrock, from the early Carboniferous/Mississippian (Coldwater Shale). This Coldwater Shale is a pretty thick deposit so a river/glacier can not puncture it easily. I used the Bedrock Geology map from www.esrs.wmich.edu/mgs/webmgs/migis.html Thank you very much for your insight! Jazz
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- mucrospirifer
- devonian
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This looks similar to Mucrospirifer, especially the growth lines, but the interarea doesn't look right to me. I thought perhaps Brachyspirifer, but not sure if they exhibit growth lines like this. This is from the Middle Devonian Bell Shale. Scale in cm/mm. @Tidgy's Dad
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- brachyspirifer
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