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Dinosaur Hadrosaurus or Therizinosaurus egg fossil


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Hello everyone,

 

I have the opportunity to buy this set of 12 fossilised eggs. I shared several pictures. They seem perfectly real to me, but I would appreciate your expertise on authenticity!

 

Thank you very much,

Antonin

 

[Seller verbiage removed]

 

 

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A gentle reminder to our replying members not to discuss sellers or prices; keep the focus on the specimen. Thank you.

...How to Philosophize with a Hammer

 

 

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They look perfectly real to me too, great piece! Didn't these sell at auction a couple of hours ago? 

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Genuine egg clutch possibly from Ganzhou of Jiangxi Province, China belonging to the Nanxiong Formation.

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2 minutes ago, Crazyhen said:

Genuine egg clutch possibly from Ganzhou of Jiangxi Province, China belonging to the Nanxiong Formation.

Thank you for these details! Would you know from which dinosaur? There is debate between Hadrosaurus and Therizinosaurus.

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8 hours ago, Antonin said:

Thank you for these details! Would you know from which dinosaur? There is debate between Hadrosaurus and Therizinosaurus.

Eggs are not speciated that way. Since it's rare to contain preserved embryos, egg types are not directly associated with specific dinosaurs (unless an embryo has ever been found with that type).

 

I think this is a spherolithis.

https://en.wikipedia.org/wiki/Spheroolithidae

 

List of egg types:

https://en.wikipedia.org/wiki/Egg_fossil#Classification

 

At least a portion of this type of egg are from hadrosaurs: https://bmcecolevol.biomedcentral.com/articles/10.1186/s12862-022-02012-x

Edited by JBkansas
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They look excellent. Spherolithis, which are commonly said to be therezinosaur or segnosaur.

 

Lovely fossil. I wish I had spotted the auction.

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