sabs Posted March 31, 2020 Share Posted March 31, 2020 This came from a quarry in Kankakee county near Manteno, IL. 1 Link to comment Share on other sites More sharing options...
Ruger9a Posted March 31, 2020 Share Posted March 31, 2020 Looks to be a crinoid stem, but it would help if you provided a photo of the end of the "stem". Link to comment Share on other sites More sharing options...
Monica Posted March 31, 2020 Share Posted March 31, 2020 It could also be an orthoconic nautiloid... 3 Link to comment Share on other sites More sharing options...
Fossildude19 Posted March 31, 2020 Share Posted March 31, 2020 More likely orthoconic cephalopod, at that size. Possibly Dawsonoceras sp. 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...
Herb Posted March 31, 2020 Share Posted March 31, 2020 looks like a cephalopod. 1 "Absence of evidence is not evidence of absence"_ Carl Sagen No trees were killed in this posting......however, many innocent electrons were diverted from where they originally intended to go. " I think, therefore I collect fossils." _ Me "When you have eliminated the impossible, whatever remains, however improbable, must be the truth."__S. Holmes "can't we all just get along?" Jack Nicholson from Mars Attacks Link to comment Share on other sites More sharing options...
Monica Posted March 31, 2020 Share Posted March 31, 2020 Maybe Dawsonoceras? 1 Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted March 31, 2020 Share Posted March 31, 2020 Agreed, an orthocerid nautiloid, I think. Very nice one too. 1 Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
Rob Russell Posted March 31, 2020 Share Posted March 31, 2020 If it’s Silurian I’m with Monica. Dawsonoceras. 1 Finding my way through life; one fossil at a time. Link to comment Share on other sites More sharing options...
connorp Posted March 31, 2020 Share Posted March 31, 2020 2 minutes ago, Rob Russell said: If it’s Silurian I’m with Monica. Dawsonoceras. If it’s the quarry I’m thinking of, fairly certain it’s the Racine Dolomite, so yes Silurian. 2 Link to comment Share on other sites More sharing options...
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