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Last week took me back to my home state of Ohio in order to attend a conference. On the way home, I stopped at the Paulding Fossil Gardens to play in the Silica Shale for awhile before returning to the white landscape of Minnesota. There are a few unknowns that I ran across and am hoping for a little help! @Peat Burns These tiny squiggles are on top of a bryozoan covered brachiopod. The pores of the bryozoan can be seen. IDed as Microconchids. I thought this was a bryozoan until I looked at the enlarged picture. Now I feel it is crinoidal, but what? I have searched high and low for a bivalve in the Silica Shale that matches this. These tiny brachiopods remind me of an atrypa but are very small and fairly smooth. IDed as Athyris sp. Bryozoans are so common at Paulding and I assumed this was a brachiopod covered with one. But looking at the exposed edge, I do not see any evidence of a shell. So does the silica shale have anything that mimics Prasapora of the Ordovician? IDed as Fistuliporoid bryozoan. N Finally, no guess on this one! Well maybe a trilobite roller but that is a long shot!! IDed as Rugosa Coral.