masonboro37 Posted November 3, 2014 Share Posted November 3, 2014 (edited) I found this echinoid at a quarry in Eastern North Carolina weeks ago. I have been cleaning some of the last specimens from that particular trip and came across this little echinoid. It was encased in a semi hard matrix, but it actually clumped off during cleaning and prepping. I found the echinoid in an area which was full of NC, Pee- dee Formation. However, I wonder if the specimen came from overburden from the Castle Hayne Formation, Eocene. It has similarities to some of the Cretaceous, Peedee echinoids I have researching. I thought the echinoid could be Hardouinia aequoria, really not sure at this point. Any thoughts are appreciated. The aboral aspect is not in the best condition. Measures not quite half an inch long. Libby Edited November 3, 2014 by masonboro37 Process of identification "mistakes create wisdom". Link to comment Share on other sites More sharing options...
Foshunter Posted November 3, 2014 Share Posted November 3, 2014 Can't help but nice find Libby----Tom Grow Old Kicking And Screaming !!"Don't Tread On Me" Link to comment Share on other sites More sharing options...
Plax Posted November 3, 2014 Share Posted November 3, 2014 looks like it could be aequoria but no periproct to look at. Saw a plate of these "bottoms up" in the ICM at Castle Hayne earlier this year. I don't recall who ended up with the specimen. Couldn't tell the species from the bottom view but a good guess was aequorea. Link to comment Share on other sites More sharing options...
Al Dente Posted November 4, 2014 Share Posted November 4, 2014 I suspect it is H. aequoria. Here is the bottom view of one I found. It is similar to yours. Link to comment Share on other sites More sharing options...
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