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Showing results for tags 'internal mold'.
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I spent a VERY fruitful day at Ramanessin, but this one object has me both stumped and intrigued. Sorry for the terrible hotel room photos, and the pen for scale. Also have an altoids box for scale (heh). this object appears to be an internal mold of some kind, it is entirely fine mudstone with some fine gravel. The back (non-pictured) side is broken and shows the mudstone texture well. There is a distinct “cutting edge” to use tooth terminology on the intact side of the item. It has very distinct striations, and frankly it looks like a large.. internal mold of a tooth? I have no idea what the heck. Sadly, on emailing David Parris, I find out he retired 5 months ago :/
- 4 replies
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- cretaceous?
- internal mold
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So these aren’t my photos and I have haven’t had any interaction with this. All I have is the photos and the assumption that they were found in South Texas (lower Rio Grande Valley) unfortunately. One of my dad’s students found this and is hoping to go into paleontology so showed it to him wondering if it was a fossil. I’m pretty certain it is at this point. I’m sure something like this is pretty hard to ID but estimates about time periods or anything I’m sure would be appreciated by this kid. https://m.imgur.com/a/IUR5GjZ
- 6 replies
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- gastropod
- internal mold
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Happy New Year everyone! I found this awesome little star-like fossil on a Tampa Bay beach in Florida. It's about an inch wide and has crystals in the center. It has a volcano look with grooves and appears to be a mold of something, but what? Thanks in advance.
- 31 replies
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- florida
- internal mold
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A visitor brought this guy to my attention, and I don't know if it's just because it's an internal mold or if it's actually something different. But I figured I would put it out to the room. My gut tells me it's just a Bellacartwrightia whitely that's been flaked off and is therefore missing any type of pygidial spines, but the body is awfully round. My opinion is based off of the visible casts of the glabellar furrows and genal spines, but rather than Greenops, I went Bellacartwrightia based on the rounded shape of the pygidium rather than triangular. These pictures are all I have to go on as the specimen I believe is now somewhere in Georgia.
- 1 reply
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- internal mold
- penn dixie
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Here is one that has me stumped. It was purchased as a possible coprolite. However, unless the critter ate a lot of dirt, I'm thinking it is some sort of steinkern. It has a smooth texture on the outside (like it was coating in a thin layer of iron-rich silt, but is very gritty on the inside. It was found near turtle remains. I will post a microscopic image in the next window. I have come across similar configurations (on a much smaller scale) in the Rattlesnake Creek micro matrix, but I don't know what those are either. I apologize in advance for the quality of this photo. I would happily retake it at a better resolution if anyone thinks it would help. Thanks for looking!
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- coprolite
- EocenePleistocene
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From the album: Illinois Fossils