Cachersusie Posted September 6, 2018 Share Posted September 6, 2018 We found this yesterday at the edge of a creek. We dug into a little mound that was full of fossilized shark teeth and oysters. Does anyone know what it might be? Thank you in advance. You all are so helpful here. Link to comment Share on other sites More sharing options...
Cachersusie Posted September 6, 2018 Author Share Posted September 6, 2018 Link to comment Share on other sites More sharing options...
Cachersusie Posted September 6, 2018 Author Share Posted September 6, 2018 Link to comment Share on other sites More sharing options...
caldigger Posted September 6, 2018 Share Posted September 6, 2018 Humm, bizarre! My initial thought would be a worn part of a barnacle. Perhaps others would have better input. 1 Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted September 6, 2018 Share Posted September 6, 2018 Looks like calcite; akin to satin spar, to me. 1 Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
Fossildude19 Posted September 6, 2018 Share Posted September 6, 2018 Rudist? Definitely not bone, though. 1 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
ynot Posted September 6, 2018 Share Posted September 6, 2018 I tend to agree with satin spar, but I have said that before and others more familiar with the area have said rudist. 2 Darwin said: " Man sprang from monkeys." Will Rogers said: " Some of them didn't spring far enough." My Fossil collection - My Mineral collection My favorite thread on TFF. Link to comment Share on other sites More sharing options...
Cachersusie Posted September 6, 2018 Author Share Posted September 6, 2018 Thank you all very much. I have so much to learn, because I thought for sure this was some sort of bone. Link to comment Share on other sites More sharing options...
JohnJ Posted September 6, 2018 Share Posted September 6, 2018 I think calcite is correct, but in the form of a thick fragment of Inoceramus clam with an eroded oyster attached. Others that hunt the creeks in Grayson County can elaborate more. 2 The human mind has the ability to believe anything is true. - JJ Link to comment Share on other sites More sharing options...
DPS Ammonite Posted September 6, 2018 Share Posted September 6, 2018 Inoceramus fragment is likely and is common in the Austin Group limestones in Grayson County. Do you know the locality and formation(s) the rock was from? Show us some of the teeth and oysters that you found. Guilt by association helps us to give fossil IDs. I wonder if you were near Post Oak Creek in Sherman. 1 My goal is to leave no stone or fossil unturned. See my Arizona Paleontology Guide link The best single resource for Arizona paleontology anywhere. Link to comment Share on other sites More sharing options...
Cachersusie Posted September 7, 2018 Author Share Posted September 7, 2018 34 minutes ago, DPS Ammonite said: Inoceramus fragment is likely and is common in the Austin Group limestones in Grayson County. Do you know the locality and formation(s) the rock was from? Show us some of the teeth and oysters that you found. Guilt by association helps us to give fossil IDs. I wonder if you were near Post Oak Creek in Sherman. Post Oak Creek is exactly where we were. I've read it's Cretaceous, but that's all I know about what period or formation. We don't really bring the oysters home but we had a couple of them. Here is a group picture of our finds for the last couple of weeks. Some of the things on the far left bottom we aren't sure what they are. So far we can only can recognize shark teeth and also the crusher teeth, so we usually pick things up that look interesting or different. If you see anything you want a close picture of just let me know. Thank you for your help. Link to comment Share on other sites More sharing options...
caldigger Posted September 7, 2018 Share Posted September 7, 2018 Looks like you got quite a few "sharpies". 1 Link to comment Share on other sites More sharing options...
Cachersusie Posted September 7, 2018 Author Share Posted September 7, 2018 3 minutes ago, caldigger said: Looks like you got quite a few "sharpies". We really enjoy finding the shark teeth. My daughter found the biggest one we have found yet from the creek. It was broke but still the biggest even in that condition. I can only imagine how big the shark was it came from. Link to comment Share on other sites More sharing options...
DPS Ammonite Posted September 7, 2018 Share Posted September 7, 2018 The oysters at Post Oak Creek are Cameleolopha bellaplicata. You have a branching bryozoa colony to the lower right of the top oyster in your photo. The bryozoa grow on the oysters. 2 My goal is to leave no stone or fossil unturned. See my Arizona Paleontology Guide link The best single resource for Arizona paleontology anywhere. Link to comment Share on other sites More sharing options...
Cachersusie Posted September 7, 2018 Author Share Posted September 7, 2018 15 minutes ago, DPS Ammonite said: The oysters at Post Oak Creek are Cameleolopha bellaplicata. You have a branching bryozoa colony to the lower right of the top oyster in your photo. The bryozoa grow on the oysters. Thank you for identifying that little white piece. We had no ide what it was but thought it looked kind of neat. Now I can put a label on it. Thank you. Link to comment Share on other sites More sharing options...
JarrodB Posted September 8, 2018 Share Posted September 8, 2018 Nice finds. I've found some killer teeth and my best artifact from POC. 1 Link to comment Share on other sites More sharing options...
Cachersusie Posted September 8, 2018 Author Share Posted September 8, 2018 5 hours ago, JarrodB said: Nice finds. I've found some killer teeth and my best artifact from POC. There seems to be so much stuff in POC. I wish we were advanced enough to recognize more, but hopefully that will come with time. We have found some chert and flakes but no artifacts yet. 1 Link to comment Share on other sites More sharing options...
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