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Crinoid


sassysarah11

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I recently acquired a small collection; and most specimens were well described....except for a few specimens that at least had age, locality etc .......the attached specimen containing two crinoids  and calyx had VERY little information at all.  I believe it may be from Illinois, as this was the only information supplied with the specimen. Any help with identification would be greatly appreciated.

unidentified..jpg

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    Tim    -  VETERAN SHALE SPLITTER

   MOTM.png.61350469b02f439fd4d5d77c2c69da85.png      PaleoPartner.png.30c01982e09b0cc0b7d9d6a7a21f56c6.png.a600039856933851eeea617ca3f2d15f.png     Postmaster1.jpg.900efa599049929531fa81981f028e24.jpg    VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png  VFOTM  --- APRIL - 2015  

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"In every walk with nature one receives far more than he seeks."

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Location could narrow down a better ID. I'd do some searching on matrix differences for formation location if I were you. Both appear to be Mississippian crinoids though. Left looks like Cyathocrinites sp, right looks like Phanocrinus sp. 

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  • 2 weeks later...

Your rock is from Crawfordsville, Indiana.  The crinoids appear to be Cyathocrinites (broken one) and Scytalocrinus.

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Thanks so much Crinus for taking the time to help with the ID of the crinoid photo I had posted; it's much appreciated.

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Thanks so much Jackson G. for taking the time to help with the ID of the crinoid photo I had posted; it's much appreciated.

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