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I’d like for my Post Oak Creek collection identified (specifically the shark teeth), but I can’t find much information online about the species of shark whose teeth are found here (Post Oak Creek in Sherman, Texas). When I HAVE come across general information about the creek and other peoples findings online, there aren’t any pictures of the teeth or nobody else knows exactly what they have. It’s also hard to tell if I’m grouping them correctly, so I apologize if I’m mixing some species together. The longer teeth have very similar characteristics, but greatly differ in size. And the only teeth
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I’ve decided to post this one separately. Very unusual composition. If you watch the video, you’ll see that light refracts off of tiny crystals in the center of each segment (which I’ve circled in red in another image). It’s hardly noticeable. The specimen is very smooth and rounded. Another member said in a different post of mine that it could possibly be an inoceramid hinge, though my own research resulted in nothing. I can’t find anything online that remotely resembles my specimen (inoceramid or otherwise). I found it at Post Oak Creek in Sherman, Texas. FullSize
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My husband and I like to go on walks along the wooded dirt trails behind our home. Last winter, we stumbled upon a particular stretch of path. It was constructed using refractory bricks smack dab in the middle of the woods. It wasn’t until recently when we decided to revisit the area. One does not simply stumble upon an old brick path in the middle of the woods. It had to have once led somewhere. We did, in fact, find an old stone well nearby. Across from the well, there’s the foundation of a house that’s nothing but rubble. I also found an A&W Root Beer can amongst the rubble. It was the
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Spent the day out on Post Oak Creek in Sherman Texas… I met some new friends and found a fairly good haul of shark teeth. In addition, I think I may have stumbled across a small piece of enamel… Maybe mastodon??? I’d love to get the groups thoughts on what that is (or tell me if I’m way off base). cheers!
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I need some help with this one… I pulled this out of Post Oak Creek (Austin Chalk Formation) in Sherman Texas yesterday. The ridges on the top and sides lead me to believe it may be some type of enamel. It is somewhat translucent, but not transparent like quartz. Does this look like enamel or am I way off base here? If it is indeed enamel, any thoughts on what species it may be from?
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Did I find a fossil Armadillo Scute in Post oak creek Grayson Co. Texas?
galaxy777 posted a topic in Fossil ID
I came upon this beauty in Post Oak Creek, Sherman; Grayson Co. Texas this past weekend which looks like a very large Armadillo scute. I didn't think that they migrated into the north Texas region? It measures 1 1/2" long and 1 1/8" wide. Cretaceous, Lower Austin / Upper Eagle Ford Formation -
I found the coolest rock I may have ever found today while out hunting for fossils. I hit the mother load on the fossils, but the rock is absolutely more fascinating at this point. More on the fossils later. I think the rock is a fragment of a septarian nodule that seems to be comprised almost entirely of what I believe may be aragonite and maybe a tiny bit of calcite. I found it in Post Oak Creek practically in the Sherman city limits. The formation in the creek is Alluvium which is Quaternary, Holocene, Cenozoic (in reverse order) I believe. It is surrounded by Austin chalk which i
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I found these in Post Oak Creek near Sherman city limits. The formation within the creek is Alluvium which is Quaternary, Holocene, Cenozoic (in reverse order) I believe. It is surrounded by Austin chalk which is cretaceous. I have no idea what they are. I’m certain I’ve seen a modern version of this while Scuba diving, but for the life of me I can’t remember what it was or where I saw it. They look a little like a barnacle, but not exactly, maybe a tube worm colony? Please let me know your thoughts.
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I found this in the Post Oak Creek near Sherman, TX today. I kind of think it looks like a modern oyster, but I found it with many, many well preserved fossil shells. How do I tell it is a fossil vs modern? It has barnacles on it. See far right and far left. You can see the muscle scar so clearly. It was found with these other fossilized shells in the creek bed.
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From the album: Post Oak Creek, Sherman, Texas
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Post Oak Creek, Sherman, Texas. Period is crustaceous - found this in the water while digging and scooping from the bottom. A guy who was down in the creek said it looks like it's a land animals tooth. The size is about the size of a quarter, if I set it on top of a quarter it's the same length. I found a ton of sharks teeth I was trying to post in a gallery to share, but I guess I haven't figured that out yet because I don't see them LOL. Thank you for your help. Laura
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From the album: Post Oak Creek, Sherman, Texas
Sharks teeth I found in Post Oak Creek, Sherman, Texas -
Recently went fossil hunting for the first time in Sherman, TX at post oak creek. I found loads of shark teeth, but this one though small caught my eye. Doesn't have a root, perhaps it is just a tip; but the general shape is different from all the shark teeth I found. So maybe it is something else (hopefully not just a rock) It is pretty small. Attaching a couple of pictures on from top view, side.
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Here are interior and exterior views of both valves of the Cretaceous oyster, Cameleolopha bellaplicata, collected in Post Oak Creek in Sherman, Texas, The specimen is more oval and elongated that most of the members of its species. The calcite valves with a trace of interior aragonite, mother of pearl, are covered in yellowish calcite cemented sandstone. The larger valve has the remnants of an attached ramose bryozoan that grew on the shell since the muddy Arcadia Park Formation did not provide a great hard ground to grow on. An unidentified domed colonial stone coral species also grow on the
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Here is an unidentified semi-spherical colony of stony coral, collected in Post Oak Creek in Sherman, Texas, This is the largest colony that I have found at the site. The colonies range in size from 2.5 cm to 4 cm across. The coralites range from 4 mm to 6 mm across. This specimen has traces of the oyster, (probably Cameleolopha bellaplicata) that it grew on since the muddy Arcadia Park Formation did not provide a suitable hard ground. Other specimens of the coral also all grew on oysters. Traces of yellowish calcite-cemented sandstone clings to the coral. The coral occurs in a yel
