Prairiestone Posted December 10, 2021 Share Posted December 10, 2021 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! Link to comment Share on other sites More sharing options...
connorp Posted December 10, 2021 Share Posted December 10, 2021 Do you know the age? There are both Late Ordovician and Silurian aged rocks exposed in the Madison area. Link to comment Share on other sites More sharing options...
Prairiestone Posted December 10, 2021 Author Share Posted December 10, 2021 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. Link to comment Share on other sites More sharing options...
Fossildude19 Posted December 10, 2021 Share Posted December 10, 2021 Cropped, contrasted, and enlarged: 1 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted December 10, 2021 Share Posted December 10, 2021 Part of a receptaculitid? Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
Ludwigia Posted December 10, 2021 Share Posted December 10, 2021 Paleodictyon perhaps? 1 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
abyssunder Posted December 10, 2021 Share Posted December 10, 2021 (edited) 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 December 11, 2021 by abyssunder Scale " 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...
colohank Posted December 11, 2021 Share Posted December 11, 2021 Could be a bryozoan of some kind. Link to comment Share on other sites More sharing options...
Prairiestone Posted December 11, 2021 Author Share Posted December 11, 2021 Thank you everyone! More to dig out of my basement boxes now! Link to comment Share on other sites More sharing options...
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