Quality4go Posted August 25, 2009 Share Posted August 25, 2009 Anyone know what this is? Im thinking some kind of crinoid, but I'm not sure. Link to comment Share on other sites More sharing options...
ashcraft Posted August 25, 2009 Share Posted August 25, 2009 It looks to be a horn coral. ashcraft, brent allen Link to comment Share on other sites More sharing options...
Nicholas Posted August 25, 2009 Share Posted August 25, 2009 I'm also with horn coral. Link to comment Share on other sites More sharing options...
makoken Posted August 25, 2009 Share Posted August 25, 2009 I'd go with coral also, not sure what type? Link to comment Share on other sites More sharing options...
Guest solius symbiosus Posted August 25, 2009 Share Posted August 25, 2009 What they said. It is some kind of stauriid; probably a zaphrentid. Need to see the septa for a classification Link to comment Share on other sites More sharing options...
Archimedes Posted August 25, 2009 Share Posted August 25, 2009 Hi What formation are these from? Mississippian or Pennsylvanian?? If these Horn Corals are from the Mississippian or Lower Pennsylvanian it is most likely a Neozaphrentis but as Solius mentioned the septa will tell what genus it is. They look very similar to the Neozaphrentis I find in the U. Mississippian. Link to comment Share on other sites More sharing options...
Quality4go Posted August 26, 2009 Author Share Posted August 26, 2009 How do you tell if it's from Mississippian or Pennsylvanian? It was found in Illinois if that helps, and I believe that the area in which was found is Upper Ordovician? Thanks for the help. Link to comment Share on other sites More sharing options...
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