Jaybot Posted July 14 Share Posted July 14 Visited Wyoming a few weeks ago (not for fossils). I did however get to hunt some sandstone layer in between Alcova and Casper. These seemed to be bedding planes with primarily shells (bivalves, etc). I found after getting home this mystery fossil in one of the chunks I brought back. My first thought was possibly a root to a tooth, but I know basically nothing on WY geology/stratigraphy. So, what sandstone layer/formation was this, and what is this fossil? Thank you so much for the help y’all. I’m like a fish out of water with stuff outside my home range. 1 -Jay “The earth doesn't need new continents, but new men.” ― Jules Verne, Twenty Thousand Leagues Under the Sea Link to comment Share on other sites More sharing options...
ynot Posted July 14 Share Posted July 14 Looks barnicle to me. 1 Link to comment Share on other sites More sharing options...
Jaybot Posted July 14 Author Share Posted July 14 1 minute ago, ynot said: Looks barnicle to me. I didn't consider that possibility, that may be it. @jpc, what do you think? -Jay “The earth doesn't need new continents, but new men.” ― Jules Verne, Twenty Thousand Leagues Under the Sea Link to comment Share on other sites More sharing options...
jpc Posted July 18 Share Posted July 18 Let's start with age... there is a lot of Cretaceous between Casper and Alcova, but it really depends on where you were. Looks cretaceous to me. NOt sure what the fossil is but ,maybe a coral. They are not common in WY Cret but they are known. 1 Link to comment Share on other sites More sharing options...
Jaybot Posted July 18 Author Share Posted July 18 Today I'm finishing preparing a bivalve that was found at the same location. I'll post it, maybe it'll shed some light on the layer. Thanks @jpc -Jay “The earth doesn't need new continents, but new men.” ― Jules Verne, Twenty Thousand Leagues Under the Sea Link to comment Share on other sites More sharing options...
Jaybot Posted July 21 Author Share Posted July 21 Here it is @jpc -Jay “The earth doesn't need new continents, but new men.” ― Jules Verne, Twenty Thousand Leagues Under the Sea Link to comment Share on other sites More sharing options...
jpc Posted July 24 Share Posted July 24 Hmmm... it might be an Inoceramus, but I cannot claim to be an expert. The rock and preservation looks like Frontier Fm. 1 Link to comment Share on other sites More sharing options...
Jaybot Posted July 28 Author Share Posted July 28 On 7/23/2024 at 9:49 PM, jpc said: Hmmm... it might be an Inoceramus, but I cannot claim to be an expert. The rock and preservation looks like Frontier Fm. Thank you so much jpc! Are shrimp burrows known from the Frontier Fm? We found many of these trace fossils in the same layer. -Jay “The earth doesn't need new continents, but new men.” ― Jules Verne, Twenty Thousand Leagues Under the Sea Link to comment Share on other sites More sharing options...
jpc Posted August 8 Share Posted August 8 The Frontier is full of many many trace fossils. 1 Link to comment Share on other sites More sharing options...
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