Trailgetter Posted March 26, 2017 Share Posted March 26, 2017 Hi, I found a bunch of fossils today on our property. Mostly oysters but this one I've never seen. Any help is greatly appreciated. Link to comment Share on other sites More sharing options...
Fossildude19 Posted March 26, 2017 Share Posted March 26, 2017 Welcome to the Forum. What county is your property in? Can we see a photo of the other side of this? It looks like a valve to an oyster, but the interior side (showing) doesn't have any identifying details. It may belong to something similar to Exogyra ponderosa. Regards, 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...
erose Posted March 26, 2017 Share Posted March 26, 2017 Pretty sure that is the upper valve of an Exogyra as Tim suggests. Would need to see the other side AND the lower valves you are finding to know what species it is. Along with E. ponderosa there are at another half dozen commonly found species of Exogyra to be found in Texas. Link to comment Share on other sites More sharing options...
Trailgetter Posted March 26, 2017 Author Share Posted March 26, 2017 Found in Del Valle, Travis county near McKinney Falls State Park. Thanks! Link to comment Share on other sites More sharing options...
BobWill Posted March 26, 2017 Share Posted March 26, 2017 Yes, very nice oyster. It looks a little different from the Exogyras I find farther north. I assume that's a left valve and the inside might clean up nicely but it's the outer surface that has me puzzled. Tim or erose could that have formed up against another shell or is that typical for some species I haven't seen? If that has left a trace of another shell this would be a good example of a form of preservation called bioimmuration. Link to comment Share on other sites More sharing options...
Trailgetter Posted March 26, 2017 Author Share Posted March 26, 2017 Found these today in the same spot. Link to comment Share on other sites More sharing options...
Trailgetter Posted March 26, 2017 Author Share Posted March 26, 2017 Coral? Link to comment Share on other sites More sharing options...
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