trisk Posted July 27, 2017 Share Posted July 27, 2017 Hey again, I'm still going through the backlog of undentified stuff from the local cliff site in the south of Manhattan, Kansas so I can sort and pack them away. 1. Here's a rock containing a productid brach (Hystriculina?) and some sort of spine, which I initially assumed to be echinoid but am having trouble matching to anything. It has two exposed parallel rows of projections. The vaguely star shaped cross section suggests there are more around the circumference but I'm not sure. 2. I found two pieces of matrix that were adjacent to each other, both have this long, hollow tube apparently passing all the way through them. On one end of each piece the tube appears to have partially collapsed. There might be some shell pieces inside but I'm not sure. 3. Embedded adjacent to the hollow tube is this object which has an odd surface texture: Link to comment Share on other sites More sharing options...
trisk Posted July 27, 2017 Author Share Posted July 27, 2017 4. Is this a crinoid calyx plate? Link to comment Share on other sites More sharing options...
abyssunder Posted July 28, 2017 Share Posted July 28, 2017 I agree that could be crinoid remains, most probably fragments from the anchoring system. 2 " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
abyssunder Posted July 28, 2017 Share Posted July 28, 2017 In a closer view, the odd surface texture visible in picture 3 might be an epibiont, encrusting bryozoan, like the ones in the A-E samples below. " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
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