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Sea urchin Holectypus?


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This was also found near Herznach in Switzerland and according to my lexicon, it could be a Jurassic Holectypus, am I correct?

 

Greetings!

IMG_20190307_132904.jpg

IMG_20190307_132847.jpg

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Tidgy's Dad

It's a good fit, could be. 

But it's difficult, i'm trying to id a Jurassic echinoid at the moment myself, but mines a cidaroid, there are so many that look similar, and often the details of the lantern and so on are not preserved well enough to make ids very easy. 

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Manticocerasman

it looks like it, the holes on the bottem have the typical "keyhole" shape

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Uncle Siphuncle

In Europe, also compare with Discoides.

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On 7.3.2019 at 7:52 PM, Uncle Siphuncle said:

In Europe, also compare with Discoides.

But discoides is only cretaceous, right?

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Uncle Siphuncle
5 hours ago, PMA said:

But discoides is only cretaceous, right?

I believe you are correct.

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