val horn Posted April 23, 2022 Share Posted April 23, 2022 Found something new to me in a marine late cretaceous site in Maryland. I would have thought it horn coral but they were long extinct. A friend suggested rudist . All help will be appreciated Link to comment Share on other sites More sharing options...
Ludwigia Posted April 23, 2022 Share Posted April 23, 2022 I believe it is still some type of coral. 1 1 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted April 23, 2022 Share Posted April 23, 2022 Yes, though the rugose horn corals became extinct during the Great Dying at the close of the Permian, the Scleractinia did produce many similar looking forms in later times. 1 Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
val horn Posted April 23, 2022 Author Share Posted April 23, 2022 thank you that makes good sense. Now I get to wonder why it seems rare in the site. Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted April 23, 2022 Share Posted April 23, 2022 10 minutes ago, val horn said: thank you that makes good sense. Now I get to wonder why it seems rare in the site. Well, they are known as solitary corals............... 3 Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
FossilDAWG Posted April 23, 2022 Share Posted April 23, 2022 Paleozoic corals and other fossils occasionally show up in the creeks and beaches in Maryland, New Jersey etc. Silurian and Devonian rocks occur not far inland, and remember the mountains were much higher back in the Cretaceous so mountain streams and rivers had a steeper grade and could transport fossil-bearing gravel further than they can today. Your fossil is certainly a rugosan coral, not a rudist. Don 1 1 1 Link to comment Share on other sites More sharing options...
Mark Kmiecik Posted April 24, 2022 Share Posted April 24, 2022 5 hours ago, Tidgy's Dad said: Well, they are known as solitary corals............... Groan! 1 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...
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