ptychodus Posted April 24, 2019 Share Posted April 24, 2019 This 1"x1" piece is from a creek in west Alabama which has late Cretaceous and Pleistocene fossils. Link to comment Share on other sites More sharing options...
Al Dente Posted April 24, 2019 Share Posted April 24, 2019 It is a piece of a bivalve steinkern. You can see the hinge area in the last photo. 1 Link to comment Share on other sites More sharing options...
ptychodus Posted April 24, 2019 Author Share Posted April 24, 2019 Thanks, but I just don't know any bivalves with a surface like that. Link to comment Share on other sites More sharing options...
Mark Kmiecik Posted April 24, 2019 Share Posted April 24, 2019 59 minutes ago, ptychodus said: Thanks, but I just don't know any bivalves with a surface like that. Definition of steinkern. : a fossil consisting of a stony mass that entered a hollow natural object (such as a bivalve shell) in the form of mud or sediment, was consolidated, and remained as a cast after dissolution of the mold. In other words, you're looking at a cast of the interior. If you already knew this, I apologize. Just want to make sure we're on the same page. Mark. Fossil hunting is easy -- they don't run away when you shoot at them! Link to comment Share on other sites More sharing options...
-AnThOnY- Posted April 24, 2019 Share Posted April 24, 2019 Google image search Trigonia steinkern and you will get some references Bivalve indeed Link to comment Share on other sites More sharing options...
ptychodus Posted April 24, 2019 Author Share Posted April 24, 2019 Thanks. Link to comment Share on other sites More sharing options...
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