Jeffrey P Posted June 17, 2019 Share Posted June 17, 2019 Found this interesting object in the Waldron Shale (Silurian) at a site in Vernon, Indiana. The object is just over three quarters of an inch long. I'm not familiar with the Waldron Shale. The site also produced a wide variety of organisms- brachiopods, gastropods, trilobites, crinoid stems, and a bryozoan. Any help you could provide with the ID would be greatly appreciated. I apologize for the quality of the photographs. Link to comment Share on other sites More sharing options...
The Jersey Devil Posted June 17, 2019 Share Posted June 17, 2019 It reminds me of Lithophaga from NJ. Maybe it is something similar? “You must take your opponent into a deep dark forest where 2+2=5, and the path leading out is only wide enough for one.” ― Mikhail Tal Link to comment Share on other sites More sharing options...
Carl Posted June 17, 2019 Share Posted June 17, 2019 I also see Lithophaga. This would be the sediment that filled the empty boring in a mollusk shell rather than a steinkern of the actual clam: the parallel lines represent the growth lines of the host shell. Link to comment Share on other sites More sharing options...
Rockwood Posted June 17, 2019 Share Posted June 17, 2019 Then a pedant might observe that this is an ichno fossil ? Link to comment Share on other sites More sharing options...
Carl Posted June 18, 2019 Share Posted June 18, 2019 16 hours ago, Rockwood said: Then a pedant might observe that this is an ichno fossil ? This pedant certainly would! Link to comment Share on other sites More sharing options...
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