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4 days, 22 hours agoPiotr Bajdek posted an update in the group Paleoart Appreciation
Poręba site, Late Triassic of Poland. Graphical abstract by A. Kapuścińska from Bajdek et al. (2019).
Bajdek, P., Szczygielski, T., Kapuścińska, A., and Sulej, T. 2019. Bromalites from a turtle-dominated fossil assemblage from the Triassic of Poland. Palaeogeography, Palaeoclimatology, Palaeoecology 520: 214–228.
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4 days, 22 hours agoPiotr Bajdek joined the group Paleoart Appreciation
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1 week, 1 day agoPiotr Bajdek replied to the topic New publications by independent researchers / amateur paleontologists in the forum New Research for Discussion
Here goes the first paper… Feel free to ask me questions. 🙂
Bajdek, P., Szczygielski, T., Kapuścińska, A., and Sulej, T. in press. Bromalites from a turtle-dominated fossil assemblage from the Triassic of Poland. Palaeogeography, Palaeoclimatology, Palaeoecology. https://doi.org/10.1016/j.palaeo.2019.02.002
Highlights
• Studied coprolites provide information on a turtle-dominated Late Triassic ecosystem.
• Coprolites were produced by sharks, turtles, theropods, and a sizable herbivore.
• Carnivores fed predominantly on fish in this fluvial environment.
• The turtle Proterochersis porebensis was likely omnivorous and semiaquatic.
• Life habits of early turtles were similar to those typical of extant taxa. -
1 week, 1 day ago
Thanks for the info! Sure, I will contact you by e-mail.
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2 weeks, 1 day ago
Very interesting, thanks for sharing, @giovanni-rios! Some time ago, I read a brief paper on dinosaur footprints from Bolivia but I can’t find it on my disk now. However, the new paper you shared mentions more than just footprints, as the Molino Formation has yielded vertebrate coprolites and teeth. The co-occurrence of dinosaur footprints and coprolites is particularly interesting to me personally, but the coprolites from the picture might have been produced by crocodiles, turtles, or even fish.
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2 weeks, 1 day agoNathan Newell and Piotr Bajdek are now friends
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2 weeks, 1 day ago
You’re welcome! When I first found these fossils as a kid, I thought these were fish vertebrae!
Just search for crinoid stem fossils in Google Images. For example, this specimen looks just identical to your second picture: https://ukfossils.co.uk/2007/11/15/west-angle-bay/crinoid-stem-impression/
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2 weeks, 1 day ago
Frontiers in Ecology and Evolution
The name of the journal Acta Palaeontologica Polonica was mistyped too.
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2 weeks, 1 day ago
Nice list and useful. I would be happy to help with identification of possible coprolites (Trace Fossils).
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2 weeks, 1 day ago
I agree with @jkallmeyer. These specimens resemble crinoids rather than corals or sponges.
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2 weeks, 1 day agoPiotr Bajdek joined the group Bookworms
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2 weeks, 1 day agoPiotr Bajdek became a registered member
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2 weeks, 2 days agoPiotr Bajdek changed their profile picture
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2 weeks, 2 days agoPiotr Bajdek's profile was updated