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Showing results for tags 'polycotylidae'.
Found 4 results
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Is this jaw fossil a reptile? The seller says Polycotylus From atco formation
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New long-necked polycotylid plesiosaur discovered in Wyoming
pachy-pleuro-whatnot-odon posted a topic in Fossil News
A new polycotylid plesiosaur has been recovered from the upper half of the upper member of the lower Maastrichtian (Late Cretaceous) Pierre Shale Formation of Wyoming: Serpentisuchops pfisterae, the snake-like crocodile face. The interesting aspect to this new discovery is that this polycotylid, contrary to most other known members of this clade (that is, all with the exception of the Turonian Thililua longicollis and Manemergus anguirostris from Morocco), has a elongated neck, convergent on those of elasmosauridae. The pertinent article can be found here: Scott Persons IV, Street and Kelley, 2022. A long-snouted and long-necked polycotylid plesiosaur from the Late Cretaceous of North America.
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- late cretaceous
- plesiosaur
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Can anyone tell if these teeth are polycotylid? They’re both claimed to be polycotylidae, from the Orenburg region of Russia. I haven’t been able to find out any more specific site info. I’m especially curious cause the 2 teeth have very different details and shapes.
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Hi all, I was recently offered this tooth from late Cretaceous of Orensburg, Russia. Most likely Gaisky City District. I can't figure out if it's a Polycotylid plesiosaur or Pterosaur tooth. The overall shape is closer to pterosaur than plesiosaur. However, I am not aware of pterosaur having wrinkling like that, nor do I know of pterosaur teeth being found there. What are your thoughts on this? Thank you.
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- elasmosaur
- marine reptile
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