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New Year, New Topic! 2023! LINK to previous years' topics. Some super cool teeth arrived in the mail: some baby GW's from Peru (Pisco Fm.). Really great condition (razor sharp) and nice baby blue color on these rarer teeth. Upper left anterior (A1/A2) ~20 mm slant height. It's marginally larger than that of a full-term embryo, and comparing it to measurements of modern specimens in Dr. Hubbell's collection, the shark was probably less than 1.5 m (5 ft) total length. Neonatal GW's are typically narrower than the adults', and can have small, highly variable "cusplets" which disappear as the shark ages. Upper left anterior (A1/A2) 22 mm slant height. This one is from a slightly older individual, still likely less than 2 m (6.6 ft) total length. You'll notice that the crown has broadened, and the cusplets are already gone. Lateroposterior 13 mm slant height.
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My first fossil of the new year. Hopefully the first of many. A Hadrosaur vertebra from the Judith River Formation. Quite worn, but well priced and I've been keeping an eye out for a decent priced Hadrosaur vertebra for a while
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I was in Graf…. for Ordovician Maquoketa shale! Not really, I found it in my mailbox thanks to Mike.
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I know I'm not the only one that doesn't live near good fossil deposits, which means that i'm not the only one that has to buy or trade fossils from time to time to build the collection. I thought it would be fun to have an ongoing thread to share our latest great score that we didn't personally find in nature, a thread to share your latest fossil purchase or trade. Let's see what you found at the local fossil show, online or anywhere else other than in the ground.
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