Activity Cynthia McGuinn posted an update in the group What is it? 2 years, 5 months ago 2 years, 5 months ago 2 years, 5 months ago Dan Zimmerman replied 2 years, 5 months ago Hi Cynthia, I believe these are crinoid stem ossicals.
Hi Cynthia,
I believe these are crinoid stem ossicals.