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Need Help Identifying Fossil from Madison, Indiana


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Hi, I was going through some of my rocks and saw this one I found near Madison, Indiana. Most of the fossils I got from there were horn corals or brachiopods but the pattern on this fossil is different than what I usually see. Can anyone please help me identify it? Not sure if it is an imprint from a sponge or something else. Pictures show front, side and back. Thank you for your help!





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No I do not know enough to know that. It was from the road cut north of town if that helps, so a higher elevation.

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Cropped, contrasted, and enlarged:



  • Thank You 1


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

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

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15 hours ago, Ludwigia said:

Paleodictyon perhaps?

I'm late to the party, but Paleodictyon was my first in mind seeing the patterns of the specimen. :)


Scale in A-H is 1cm.

Edited by abyssunder

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