JAK Posted August 7, 2021 Share Posted August 7, 2021 One more plea for help - and apologies if this is obvious to all the folks here who know their stuff. Found this on the Potomac River near Montross, VA (the Northern Neck area as it's called). Any help or guesses would be very appreciated. Link to comment Share on other sites More sharing options...
Lone Hunter Posted August 7, 2021 Share Posted August 7, 2021 Looks like Ironstone concretion. 2 Link to comment Share on other sites More sharing options...
PaleoNoel Posted August 31, 2021 Share Posted August 31, 2021 Kind of looks like a dermal denticle from a ray, but I'm not positive. Link to comment Share on other sites More sharing options...
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