Ashleyliebs Posted January 29, 2023 Share Posted January 29, 2023 I found this on the beach in NJ today. It has a lot of weight to it. Any idea how old it might be or what species this could be? 3 Link to comment Share on other sites More sharing options...
jpc Posted January 29, 2023 Share Posted January 29, 2023 can't answer your questions, but nice find. Link to comment Share on other sites More sharing options...
Al Dente Posted January 29, 2023 Share Posted January 29, 2023 It is Cretaceous aged Hardouinia. An unusual find for a NJ beach. 4 Link to comment Share on other sites More sharing options...
Ashleyliebs Posted January 30, 2023 Author Share Posted January 30, 2023 Do you know how old it could be? Link to comment Share on other sites More sharing options...
Pliosaur Posted January 30, 2023 Share Posted January 30, 2023 Very interesting indeed! Congrats! Link to comment Share on other sites More sharing options...
ClearLake Posted January 30, 2023 Share Posted January 30, 2023 (edited) The Cretaceous Period ran from ~145 million years ago to ~66 million years ago. I do not know if that particular genus is only restricted to part of the Cretaceous. Very nice find. A quick search indicates that the genus Hardouinia is Late Cretaceous in age which would narrow the time range to 66-100 million years old. Edited January 30, 2023 by ClearLake More info Link to comment Share on other sites More sharing options...
Al Dente Posted January 30, 2023 Share Posted January 30, 2023 Everything about this echinoid makes me think it was originally found at Holden Beach in NC. The color, preservation, size, and form, even the bioerosion. Hardouinia have been found in the Matawan area of NJ, but they are usually internal molds. Can I ask what general area of NJ this was found? I wonder if a collector somehow dropped it in NJ for some reason. Maybe some NJ collectors can comment on this. 1 1 Link to comment Share on other sites More sharing options...
Ashleyliebs Posted January 30, 2023 Author Share Posted January 30, 2023 6 hours ago, Al Dente said: Everything about this echinoid makes me think it was originally found at Holden Beach in NC. The color, preservation, size, and form, even the bioerosion. Hardouinia have been found in the Matawan area of NJ, but they are usually internal molds. Can I ask what general area of NJ this was found? I wonder if a collector somehow dropped it in NJ for some reason. Maybe some NJ collectors can comment on this. Hey! Thank you so much for responding. I found this guy in Sea Isle City NJ. It was found in the dunes part of the beach. We have been getting so many dune erosions from the tides and hurricanes. So I wonder if it was burried for sometime. The dunes have about 7ft-10ft drops due to the erosions. Could have been from dredging a long time ago? Link to comment Share on other sites More sharing options...
Ashleyliebs Posted January 30, 2023 Author Share Posted January 30, 2023 14 hours ago, ClearLake said: The Cretaceous Period ran from ~145 million years ago to ~66 million years ago. I do not know if that particular genus is only restricted to part of the Cretaceous. Very nice find. A quick search indicates that the genus Hardouinia is Late Cretaceous in age which would narrow the time range to 66-100 million years old. Wow. I never heard of these. I’m glad I posted here. So many knowledgeable people. I wouldn’t sell it I don’t think. But do you know how much these would go for? I clean the beach everyday picking up trash and I also metal detect as a hobby, so this was like a little present from the ocean for taking care of her ! Link to comment Share on other sites More sharing options...
Ashleyliebs Posted January 30, 2023 Author Share Posted January 30, 2023 6 hours ago, Al Dente said: Everything about this echinoid makes me think it was originally found at Holden Beach in NC. The color, preservation, size, and form, even the bioerosion. Hardouinia have been found in the Matawan area of NJ, but they are usually internal molds. Can I ask what general area of NJ this was found? I wonder if a collector somehow dropped it in NJ for some reason. Maybe some NJ collectors can comment on this. I clean the beaches daily, walking miles picking up trash and metal detecting as a hobby. I have found so many unique things but this was definitely a fun find. Simply a gift from the ocean for taking care of her. Link to comment Share on other sites More sharing options...
FranzBernhard Posted January 30, 2023 Share Posted January 30, 2023 1 hour ago, Ashleyliebs said: But do you know how much these would go for? Sorry, we do not speak about money here. Btw, nice find, congrats! Franz Bernhard 1 Link to comment Share on other sites More sharing options...
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