These little round objects show up on my lakeside shore site...nowhere else have I seen them..they are made of soft gritty material....pretty uniform in size....I think we've found four or five now....thanks...mjmu
A buddy of mine brought something just like those home from Myrtle Beach and he thought they were Discoidals. I think he finally had someone tell him they were the inside of some shell or sea creature. Can't remember exactly.