Samurai Posted August 11, 2020 Share Posted August 11, 2020 Hello and good evening! I have passed this fossil a few times and it resides in a large limestone slab. I believe it could be a spine due to presence of Chondrichthyan teeth in the area and how it appears to come to a point. For reference the teeth I have found include teeth from Petalodontiformes, Eugenodontida, and other Chondrichthyans. I will note I have found some petrified wood in the area, but none in a limestone matrix so it could be a Calamite. Location: Missouri Time period: Pennsylvanian Formation: Muncie creek shale member 1 Link to comment Share on other sites More sharing options...
Fossildude19 Posted August 11, 2020 Share Posted August 11, 2020 Looks like a spine, to me. 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...
Samurai Posted August 11, 2020 Author Share Posted August 11, 2020 19 minutes ago, Fossildude19 said: Looks like a spine, to me. Thanks I thought so too, this would be my first! Link to comment Share on other sites More sharing options...
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