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I added a couple of threads on Activities connected with FPS field trip to Hallie Quarries in the vicinity of Newberry, Florida. I have some photos of the Quarry to provide a sense of what it was like and some additional finds. The Quarry I visited is just one of many at this location. and the one I was in... huge. A wall in the distance, heavy movers to stay far away from, a "tiny" FPS member searching the low wall ahead. I am walking around this mountain of rock on my left , searching for fossils that may have fallen down the cliff face. I am very careful the few times I attempt to climb the cliff face reaching for a fossil just a little too far away... There can be great rewards... Gorgeous, and and there are lots of potential shell, and echinoids in this semi hard rock, I have a rock hammer and trowel. Can I possible get this out in one piece.. I have already broken others or found that they were already broken before my arrival. So I decided not, and just walked on with a photo and a memory. As I continued around the mountain, I came to this site , took a step forward, and quickly stepped back . A sinkhole about 4 feet across, and with a single glance inside I saw it was at least 25 feet deep. This one is not particularly large. The Quarry has lost a number of large earth movers in sinkholes. This is where I recall signing the waiver stating that I am totally responsible for any of the various dumb things I might do while hunting for fossils and hold the Quarry owners blameless for any/all damages to my body. Roger Portell was our guide and Advisor and we moved a couple of times to locations that might provide different fossils. The last stop was supposed to contained marine (shark teeth) and mammal fossils. As we stepped out of our vehicles, Roger showed us another sinkhole, advised us to be careful , and described recoveries of mammal bones and teeth from this area decades past. I was fortunate to find one of those teeth, described in this TFF thread. https://www.thefossilforum.com/topic/139986-love-the-surprises/#comment-1479029 It was laying on the ground 5 feet to the left of this sinkhole. Sometimes I am just blessed in the right place at the right time. Here are some other finds of the day, with what ever I currently know about them... 1) M. americanum , a Sea Biscuit, approximately 4 inches in width, encased in matrix. 2) What I refer to as Jingle shells, and a small Echinoid...On the Echinoid, I have to wash, brush , scrap off some of that concrete like matrix to figure out what it is.... 3) A couple of Oysters... there few shells free floating from the concrete like matrix like these. 4) More shells, this time in Matrix 5) Did I mention Endocasts ? All over the place.... Sometimes hard to differentiate from shells. 5a) This one reminds me of a cowrie.... but not like any modern or even fossil ones that I have seen... I had previously found exactly like this one in a bone valley creek.. Would like to Identify.. Hope you enjoyed the trip. Comments always appreciated.
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Hi all, Hope everyone is well and staying safe. I found this during a recent dive trip to the Cooper River (South Carolina). I originally assumed it must be a Steinkern of a weird bivalve. However after cleaning the gravel out of the nooks and crannies, I was surprised to see what appears to be shark centrums in line with each other, embedded in the piece. Parallel and adjacent to the alleged centrums is a hollow void, or canal. I've read that shark brains very greatly in shape and layout from species to species, and that commonly the lobes are laid out in series instead of in one roundish ball like humans. Is this possibly an endocast of the braincase from a single lobe of a shark brain? Could it be from a fish other than shark?
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Thanks to you guys, I think I recognize an endocast/steinkern when I see one. But if I'm right and this is one, I can't for the life of me figure out what would have made this kind of impression. Does this form look familiar to anyone? At first I thought it looked a lot like the rim of a queen helmet shell, but there isn't an opening there to fill with anything that would form a fossil. Found on Myrtle Beach. Thanks! --Paula
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Taking a guess at this one. Is it an endocast/steinkern of some kind of shell? Found at Myrtle Beach. Thanks! - Paula
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