Rock-Guy-17 Posted April 10, 2021 Share Posted April 10, 2021 I found a few plates of sandstone that I really liked a few years back in Lockport, NY. I believe they are from the Silurian Grimsby formation. I don't remember nearly anything about trace fossils. My first guess from just googling before making this post was arthrophycus. Can anyone tell me what kind of trace fossil is present in these pieces? 1. 2. 3. 4. Link to comment Share on other sites More sharing options...
piranha Posted April 11, 2021 Share Posted April 11, 2021 1 hour ago, Rock-Guy-17 said: I found a few plates of sandstone that I really liked a few years back in Lockport, NY. I believe they are from the Silurian Grimsby formation. I don't remember nearly anything about trace fossils. My first guess from just googling before making this post was arthrophycus. Can anyone tell me what kind of trace fossil is present in these pieces? Transverse annulations are a key feature of Arthrophycid burrows. Instead these fit better within the group of Planolites/Palaeophycus ichnotaxa. Pemberton, S.G., Frey, R.W. 1982. Trace Fossil Nomenclature and the Planolites-Palaeophycus Dilemma. Journal of Paleontology, 56(4):843-881 1 1 Link to comment Share on other sites More sharing options...
Rock-Guy-17 Posted April 11, 2021 Author Share Posted April 11, 2021 15 hours ago, piranha said: Transverse annulations are a key feature of Arthrophycid burrows. Instead these fit better within the group of Planolites/Palaeophycus ichnotaxa. Pemberton, S.G., Frey, R.W. 1982. Trace Fossil Nomenclature and the Planolites-Palaeophycus Dilemma. Journal of Paleontology, 56(4):843-881 Thank you for pointing me in the right direction. Cheers Link to comment Share on other sites More sharing options...
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