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Showing results for tags 'echinoderm?'.
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Found this on a Dutch beach (Zandmotor) 6 months ago. Max. diameter appr. 14 mm. Shape looks somewhat like a pentagon. Two sides have openings in them (marked a and b in pictures), within each opening there there seems to be a bit dividing both openings in two halves. Ar least one of the corners of the pentagon seems to have had a protrusion (stalk, arm?) that has broken off. Encircled in the pictures. Due to the shape, the openings, and the broken off bit this looks like like some echinoderm fossil to me. But which one? Any ideas?
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- brittle star?
- criniod?
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The preservation isn’t the best. Broke open a big piece of dolomite with a nice brachiopod. Found that I had shattered whatever this is and exposed some nice silicified chain coral. It’s sorta a hemisphere with internal structures. My best guess would be some sort of echinoid. Silurian Wisconsin, Hartung quarry
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- echinoderm?
- echinoid?
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Hi everyone, My son found yesterday on a beach this rock and it looks like a fossil of something. Could you please have a look and let me know what you think? Is this a fossil? Many thanks Mariah
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- echinoderm
- echinoderm?
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This is the second mini-sand dollar-like thing I've found (the other a complete disc). There is also a broken tooth/ bone fragment which from the top appears almost jaw-like but with bulges/ coarse serrations rather than real teeth (cannot get a good scan, sorry). I think another piece is half a skate scute, a vert (no idea what kind), two drum teeth and no idea what the curved piece is. Thanks in advance for any help.
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- bone/tooth?
- echinoderm?
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I was doing some fall work in the garden and I dug a hole deeper than usual to start a compost pile and this was in the ground. It ppears to be coral or something. Can anyone see an outline or give any advice? I didn’t try to clean it as it seemed to be fragile. Thanks!
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- coral
- echinoderm?
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