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MacKenzie Smith posted a new activity comment 2 days, 2 hours ago
2 days, 2 hours ago2 days, 2 hours agoSadly, there aren’t enough features preserved for me to say if it’s a fossil or not. However, there are the two large black parts and smaller striations which makes me think wood and there are divots or holes in it so it could be terredo wood. Just due to the nature of the preservation it’s just too hard to say.
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MacKenzie Smith posted a new activity comment 2 days, 17 hours ago
2 days, 17 hours ago2 days, 17 hours agoHi @everett-snyder. You said this is from the Cannonball Formation? So this is from around North Dakota?
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MacKenzie Smith posted a new activity comment 2 days, 22 hours ago
2 days, 22 hours ago2 days, 22 hours ago@bob-jones I think it might be Lirophora
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MacKenzie Smith posted a new activity comment 3 days ago
3 days ago3 days agoIt looks like two different colors of chert laid down one after the other. Sorry!
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MacKenzie Smith posted a new activity comment 4 days, 1 hour ago
4 days, 1 hour ago4 days, 1 hour ago@bob-jones@rens-dewaard This is definitely a clam cast. It may take some time for me to find the name though.
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MacKenzie Smith posted a new activity comment 4 days, 1 hour ago
4 days, 1 hour ago4 days, 1 hour ago@hunter-thurmond Calamites went extinct around the Triassic but their nearest living relatives in the genus Equisetum (same genus as modern horsetail) were around in the Paleogene. It’s possible it could be that. Can you remove some of the matrix? One of the key features is a node which might be covered right now. A cross section photo would help…[Read more]
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MacKenzie Smith joined the group
Numinous Cnidaria 5 days, 21 hours ago
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MacKenzie Smith posted a new activity comment 1 week ago
1 week ago1 week ago@robin-loggains and @samantha-ocon Personally, I’m leaning towards septarian nodule with the original matrix eroded out but it’s a tricky one.
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MacKenzie Smith posted a new activity comment 1 week ago
1 week ago1 week ago@delwin-glasner Very neat! I was unfamiliar with Endopachys. The only solitary scleractinian coral I encountered before was Flabellum. Thanks for sharing! Glad I learned something new.
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MacKenzie Smith posted a new activity comment 1 week ago
1 week ago1 week agoTo me this looks like horn coral. I think this is another photo in a series, yes?
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MacKenzie Smith posted a new activity comment 1 week ago
1 week ago1 week agoSorry, this is a rock. For fossils, we need to match the texture and shape to something known either living or fossil. It looks like the top is calcite and the bottom is probably a course limestone.
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MacKenzie Smith posted a new activity comment 1 week ago
1 week ago1 week agoIt’s a fossil but not a pirhana. Probably some sort of invertebrate like a crinoid stem or cephalopod or even a colonial animal. The rock sort of obscures the view.
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MacKenzie Smith posted a new activity comment 1 week ago
1 week ago1 week agoSorry this is a rock.
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MacKenzie Smith posted a new activity comment 1 week, 1 day ago
1 week, 1 day ago1 week, 1 day ago@robin-loggains It looks like a rock to me but the piece to the right of it is horn coral.
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MacKenzie Smith posted a new activity comment 1 week, 1 day ago
1 week, 1 day ago1 week, 1 day ago@bob-jones Thanks for posting more angles. It’s a horse tooth!
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MacKenzie Smith posted a new activity comment 1 week, 2 days ago
1 week, 2 days ago1 week, 2 days agoSorry, this is a rock.
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I agree with @Mackenzie-Smith.
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MacKenzie Smith posted a new activity comment 1 week, 2 days ago
1 week, 2 days ago1 week, 2 days agoThis looks like a fragment of rugose coral.
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I agree with @Mackenzie-Smith.
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MacKenzie Smith posted a new activity comment 1 week, 2 days ago
1 week, 2 days ago1 week, 2 days agoLooks like it could be a fragment of some Echinodermata based on the patterns of the depressions.
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I agree with this – paging @Sarah-Sheffield and @Jbauer.
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MacKenzie Smith posted a new activity comment 1 week, 3 days ago
1 week, 3 days ago1 week, 3 days agoIt looks like a piece of cement. Sorry.
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Unfortunately, I have to agree with @Mackenzie-Smith – this is cement.
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MacKenzie Smith posted a new activity comment 1 week, 3 days ago
1 week, 3 days ago1 week, 3 days agoSorry, no fish. It’s a rock.
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@mackenzie-smith I can’t figure out how to add more photos or post photos in a reply. I will create a new post once thorough pictures have been made. I was able to remove most of the matrix but no node seems apparent. Is the last picture of this post a sufficient cross section? Where it is fractured it reminds me of petrified wood I have found…[Read more]