connorp Posted May 24, 2022 Share Posted May 24, 2022 I found this specimen in the Galena Group (Middle/Late Ordovician) of northern Illinois. Seems familiar but I can't place it. Any thoughts? 1 Link to comment Share on other sites More sharing options...
val horn Posted May 24, 2022 Share Posted May 24, 2022 ?worm burrow? Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted May 24, 2022 Share Posted May 24, 2022 I am probably miles off, and the stem isn't right, but I'm getting an echinoderm feel with this one. Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
Harry Pristis Posted May 24, 2022 Share Posted May 24, 2022 No details or features that I am missing? . . . Spreiten? Without further detail, I'd call it domichnia. http://pristis.wix.com/the-demijohn-page What seest thou else In the dark backward and abysm of time? ---Shakespeare, The Tempest Link to comment Share on other sites More sharing options...
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