Tony Eaton Posted October 6, 2009 Share Posted October 6, 2009 (edited) About 1 inch or 2 cm long. This is upper cretaceous middle turonian (Eagle Ford / Kamp Ranch) from Denton Co, TX. The first one I found I didn't collect. But now I have found a few. The one pictured below is the thickest. Edited October 6, 2009 by Tony Eaton Link to comment Share on other sites More sharing options...
LanceH Posted October 6, 2009 Share Posted October 6, 2009 I've seen little clam molds like that where the valves have split apart and they look like little moon pies. Link to comment Share on other sites More sharing options...
Tony Eaton Posted October 6, 2009 Author Share Posted October 6, 2009 Ah, that may be it. Thnx Lance. Link to comment Share on other sites More sharing options...
Tony Eaton Posted October 6, 2009 Author Share Posted October 6, 2009 (edited) I dug up another one for comparison... Edited October 6, 2009 by Tony Eaton Link to comment Share on other sites More sharing options...
Tony Eaton Posted October 6, 2009 Author Share Posted October 6, 2009 Gave it some more thought, I am betting these are internal molds of individual chambers of an ammonite. This layer does not preserve ammonite shell material. Link to comment Share on other sites More sharing options...
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