PFOOLEY Posted June 16, 2020 Share Posted June 16, 2020 While out in the Puerco, I smacked open a concretion to find an unfamiliar pattern. Any thoughts or ideas are greatly appreciated. The specimen is from the Upper Cretaceous (Turonian) Carlile Shale. It is layered and each layer has this pattern. I currently do not have a measurement but will do so. Thanks for taking a look. "I am glad I shall never be young without wild country to be young in. Of what avail are forty freedoms without a blank spot on the map?" ~Aldo Leopold (1887-1948) New Mexico Museum of Natural History Bulletins Link to comment Share on other sites More sharing options...
Al Dente Posted June 16, 2020 Share Posted June 16, 2020 The texture reminds me of some types of rudists. Here is a picture and the reference for the picture. 3 Link to comment Share on other sites More sharing options...
FossilDAWG Posted June 16, 2020 Share Posted June 16, 2020 I agree, it looks like a cross section of a piece of rudist shell. Don 3 Link to comment Share on other sites More sharing options...
Ludwigia Posted June 16, 2020 Share Posted June 16, 2020 I'm in the rudist camp as well. 2 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
PFOOLEY Posted June 16, 2020 Author Share Posted June 16, 2020 4 hours ago, Al Dente said: The texture reminds me of some types of rudists.... 4 hours ago, FossilDAWG said: I agree, it looks like a cross section of a piece of rudist... 3 hours ago, Ludwigia said: I'm in the rudist camp as well. Many thanks......a new critter (for me) from the Puerco. 2 "I am glad I shall never be young without wild country to be young in. Of what avail are forty freedoms without a blank spot on the map?" ~Aldo Leopold (1887-1948) New Mexico Museum of Natural History Bulletins Link to comment Share on other sites More sharing options...
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