OhioValleyRockhound Posted December 28, 2018 Share Posted December 28, 2018 I was collecting fossils in Clarksville, Indiana today at a site I typically find a large amount of Devonian fossils. Some recent rain had washed out a number of small fossils to easily collect. I collected this fossil without thinking twice, but since cleaning it up I realized it doesn't match any in my identification guide. I originally thought it was part of a crinoid stem, but I can't find any documentation to support that. I've spent the last several hours researching and cannot find a match for it. Now I'm at a bit of a loss and would love some input. Thank you! Link to comment Share on other sites More sharing options...
DPS Ammonite Posted December 28, 2018 Share Posted December 28, 2018 Welcome to the Forum. You have a crinoid disk. Some disks have appendages such as cirri/cirrals. Photo from: https://www.mineralwellsfossilpark.com/what-can-i-find.html http://www.chalk.discoveringfossils.co.uk/3crinoid terminology.htm 4 My goal is to leave no stone or fossil unturned. See my Arizona Paleontology Guide link The best single resource for Arizona paleontology anywhere. Link to comment Share on other sites More sharing options...
ynot Posted December 28, 2018 Share Posted December 28, 2018 Welcome to TFF! I agree with a crinoid columnal section. Darwin said: " Man sprang from monkeys." Will Rogers said: " Some of them didn't spring far enough." My Fossil collection - My Mineral collection My favorite thread on TFF. Link to comment Share on other sites More sharing options...
Rockwood Posted December 28, 2018 Share Posted December 28, 2018 1 hour ago, DPS Ammonite said: Some disks have appendages such as cirri/cirrals. Is there an aspect not visible to this situation, or are some cirri attached directly to a solid columnal with no connection to the lumen ? Link to comment Share on other sites More sharing options...
abyssunder Posted December 28, 2018 Share Posted December 28, 2018 Try to compare with Dolatocrinus. 1 " 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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