Ron E. Posted August 3, 2009 Share Posted August 3, 2009 Found this in chert a couple of years ago, before I finally admitted to myself that fossil hunting was my own personal midlife crisis A super-geeky cyberpal, who's too much of a Luddite to join any forums, theorized that it was a weathered crinoid calyx. Observations, anyone? Link to comment Share on other sites More sharing options...
Auspex Posted August 3, 2009 Share Posted August 3, 2009 No way I could trace it's family tree (if it has one). "There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant “Try to learn something about everything and everything about something.” - Thomas Henry Huxley >Paleontology is an evolving science. >May your wonders never cease! Link to comment Share on other sites More sharing options...
crinus Posted August 3, 2009 Share Posted August 3, 2009 Found this in chert a couple of years ago, before I finally admitted to myself that fossil hunting was my own personal midlife crisis A super-geeky cyberpal, who's too much of a Luddite to join any forums, theorized that it was a weathered crinoid calyx. Observations, anyone? It is actually the inside mold of a crinoid calyx. Weathered? The calyx probably disolved away before the specimen was exposed. This is not unusual in the chert in the Burlington Limestone so I will assume that it also occurred in the formation this specimen came from. It looks like a Physetocrinus to me, but not 100% sure. crinus Link to comment Share on other sites More sharing options...
Ron E. Posted August 4, 2009 Author Share Posted August 4, 2009 It is actually the inside mold of a crinoid calyx. Weathered? The calyx probably disolved away before the specimen was exposed. This is not unusual in the chert in the Burlington Limestone so I will assume that it also occurred in the formation this specimen came from. It looks like a Physetocrinus to me, but not 100% sure.crinus Thanks, crinus Link to comment Share on other sites More sharing options...
Ron E. Posted August 4, 2009 Author Share Posted August 4, 2009 It looks like a Physetocrinus to me, but not 100% sure.crinus http://www.curiogrove.com/crinoids/cri009.htm Crinus, you're amazing! Link to comment Share on other sites More sharing options...
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