Activity Marion Marshall posted a new specimen in the group Cincinnatian Collectors from the myFOSSIL app 2 months, 3 weeks ago 2 months, 3 weeks ago 2 months, 3 weeks ago Marion Marshall has contributed specimen mFeM 110396 to myFOSSIL! Anthony Rael replied 2 months, 3 weeks ago Oh wow Marion Marshall replied 2 months, 2 weeks ago Thanks! Cynthia McGuinn replied 2 months, 1 week ago Looks a lot like the one I just posted. Don’t know what it is. The circle with the ridges my favorite!