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Undeterminated Seaurchin


Eureka

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Hi friends,

I found this specimen on a upper cretaceous (Santoniens. series) from North Spain.

Any idea about species

Best regards and thanks,

Eureka

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post-920-12525831448523_thumb.jpg

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Hi,Rozzilla

The oral side of the specimen is very similar to a Micraster....but of course it is not a Micraster.

I enclose other pics that maybe can help....

Eureka

post-920-12526153180887_thumb.jpg

post-920-125261597353_thumb.jpg

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Thanks for posting further pics. Looked through my pdfs

and cannot make a match. Good news however, there are

some ech experts on here.

I think the dome is unusually shaped. Haven't seen one like it..

Excellent find, that much I can tell!:D

Welcome to the forum!

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Dear Rozzilla,

Thanks a lot for your efforts and of course, for your kind words...It was a lucky finding...first time in my life a I´ve found this species.....unknown for me.

Let´s see what other members can say.

Best regards,

Eureka

:)

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Dear Rozzilla,

Thanks a lot for your efforts and of course, for your kind words...It was a lucky finding...first time in my life a I´ve found this species.....unknown for me.

Let´s see what other members can say.

Best regards,

Eureka

:)

Eureka,

You are sure welcome. Just wish I knew what it was. This is a link to the echinoid directory.

I did not see your ech there but will have to say I find that site difficult to navigate. In any case

it is a handy link to have in case you are not aware of it.

Echinoid Directory

Welcome to the forum!

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Hi,

Don't know what it is. Here is a link to an echinoid website with a lot of pic galleries http://www.echinologia.com/galeries/galeries.htm

Hope it could help you.

Coco

----------------------
OUTIL POUR MESURER VOS FOSSILES : ici

Ma bibliothèque PDF 1 (Poissons et sélaciens récents & fossiles) : ici
Ma bibliothèque PDF 2 (Animaux vivants - sans poissons ni sélaciens) : ici
Mâchoires sélaciennes récentes : ici
Hétérodontiques et sélaciens : ici
Oeufs sélaciens récents : ici
Otolithes de poissons récents ! ici

Un Greg...

Badges-IPFOTH.jpg.f4a8635cda47a3cc506743a8aabce700.jpg Badges-MOTM.jpg.461001e1a9db5dc29ca1c07a041a1a86.jpg

 

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He he ! I t is the same website than on my ling...

Coco

----------------------
OUTIL POUR MESURER VOS FOSSILES : ici

Ma bibliothèque PDF 1 (Poissons et sélaciens récents & fossiles) : ici
Ma bibliothèque PDF 2 (Animaux vivants - sans poissons ni sélaciens) : ici
Mâchoires sélaciennes récentes : ici
Hétérodontiques et sélaciens : ici
Oeufs sélaciens récents : ici
Otolithes de poissons récents ! ici

Un Greg...

Badges-IPFOTH.jpg.f4a8635cda47a3cc506743a8aabce700.jpg Badges-MOTM.jpg.461001e1a9db5dc29ca1c07a041a1a86.jpg

 

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Dear MB,

I just enclose new pics of the specimen (sorry for the low pics quality, not chance of getting them better).

About the chance of being a Micraster brevis, I feel it doesn´t.

It does not come from the famous quarry......

Eureka

;)

post-920-12528818429516_thumb.jpg

post-920-12528818874086_thumb.jpg

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Dear Moropùs,

Thanks for your help. It might be a powerful-elongated Gibbaster gibbus. Just the grandfather of every Gibabster gibbus....(smiles).

Best regards,

Eureka :P

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Eureka you say it might be a powerful-elongated Gibbaster gibbus but would that make it pathologic? It is so different then norm for Gibbaster gibbus. But it is a beauty and really great find. I would be interested to know how common it is to find one like this. :geek: Don't ya just love echinoids.

The best days are spent collecting fossils

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Dear Lawooten,

Thanks for your lovely words. I am quite keen on fossil seauchins as well, they are beauty. regarding to the chance of being pathological specimen...I do not know at this moment, it has to be prepared...let´s see what I find after removing unwanted matrix.

it is the first time I find one like this after 20 years walking in that area.....quite uncommon (fist one I have seen).

Cheers,

Eureka

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Ereka

Please keep me in mind when you find out what it is. It would be most interesting to see what it looks like when you clean it up. Wonderful specimen you have found.

The best days are spent collecting fossils

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