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Showing results for tags 'echinoid spines'.
Found 6 results
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Hello everyone! I have been picking through microfossils from the Whiskey Bridge locality on the Brazos River in Texas. I used the hydrogen peroxide technique to separate the fossils from the glauconite matrix, and I have spent hours at the microscope, picking through the material to find the really tiny stuff. Here are a few batches that I've separated... My reason for posting this in the identification section, however, is that I have been running across a large number of echinoderm fragment
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- 6
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- crockett formation
- texas
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Collected some rocks from the Grapevine Lake area, however I'm wondering if these are from Woodbine or imported rocks? This is first time I've found any parts of an echinoid, I know some are spines but there are different ones, I recognize some of the other things but not all so numbered them. The last 2 pics I tried to get shot of tiny baby echinoids, there may be 2 in one pic but one looks exploded. There were so many things I couldn't even get them all but this will be good start.
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A few weeks ago my mother, Stella (dog), and I went to a old-reliable heteromorph site in the Atco. After I dragged all my equipment to the part of the site that I was going to work, she went walking with Stella to look at some of the check-dams full of brought in Edwards limestone, chicken wire bags full of the brought in matrix put in the ditches for sediment control. In 2017 while we were at the same Atco site she was looking at a dumped pile of the Edwards and found a rare cidarid (see thread here) that compares well with Temnocidaris (Stereocidaris) hudspethensis. The sight of seeing that
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- atco
- check dams
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Sorry about posting to many photos and continued post Picked up a couple of suggestive shaped rock forms found in the Kimmeridge clay, which if I can sufficiently remove some of the finest pyrite cubic crystals I’ve ever seen. May contain some bone material underneath. But for the time being I’ve noticed these fossils protruding through some of the pyrite matrix and loose in washed matrix. Continued: I have done some homework searching for coral / echinoid spines from the Kimmeridge clay but have not found any reference to such a fossil so
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- kimmeridge clay
- pyrite
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From the album: Goniopygus echinoids
New image of my rare Goniopygus budaensis with associated spines found in the Georgetown formation of the Washita Group in south Central Texas.© John Jackson
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From the album: Goniopygus echinoids
New image of my rare Goniopygus budaensis with associated spines found in the Georgetown formation of the Washita Group in south Central Texas.© John Jackson
