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MacKenzie Smith posted a new activity comment 3 years, 7 months ago
3 years, 7 months ago3 years, 7 months ago@shannon-olczak This is Alethopteris, a seed fern (not a real fern because it uses seeds to reproduce instead of spores). Phylum is Pteridospermatophyta.
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MacKenzie Smith posted a new activity comment 3 years, 7 months ago
3 years, 7 months ago3 years, 7 months ago@shannon-olczak Yes, this is probably Oligocarpia, a fern in the family Gleicheniaceae. This nodule likely comes from the Mazon Creek Formation which is Late Carboniferous (Pennsylvanian).
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MacKenzie Smith posted a new activity comment 3 years, 7 months ago
3 years, 7 months ago3 years, 7 months ago@shannon-olczak@mackenzie-ross-2 I believe this is a nodule from Mazon Creek (Formation name)? It would be Late Carboniferous (Pennsylvanian). Are these two separate specimens or are they two halves of the same specimen? If they are different, the first and second appear to be the seed fern (not true fern) Alethopteris. However, the last picture…[Read more]
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MacKenzie Smith posted a new activity comment 3 years, 7 months ago
3 years, 7 months ago3 years, 7 months ago@mackenzie-ross-2 and @shannon-olczak sadly I cannot. All I can say is that it’s wood. Identification for petrified wood requires preserved cellular details and prepared slides via thin-section or cellulose acetate peels. I’m sorry, it’s just the nature of wood ID.
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Mackenzie Ross posted a new activity comment 3 years, 7 months ago
3 years, 7 months ago3 years, 7 months agoHi @shannon-olczak let’s see if @mackenzie-smith can help you identify this!
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Mackenzie Ross posted a new activity comment 3 years, 7 months ago
3 years, 7 months ago3 years, 7 months agoVery cool find @shannon-olczak, @mackenzie-smith might be able to help you narrow down the ID!