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Fossil Identification


Fossil shell identification


blackfrog   30-01-2019 at 22:06

blackfrog
Junior Member
Registered: 05-07-2018
Messages: 6



Fossil shell from Marano sul panaro 1.9 cm in length.
3 million years old from the Piacenzian age of the Pliocene.
Any help is appreciated

 
FossilDude   30-01-2019 at 22:33

FossilDude
Administrator
Photo Moderator
Registered: 24-11-2007
Messages: 1404

Hey Blackfrog,

Interesting specimen. Can you upload some extra photographs, of the other sides? It reminds me of Cymatium affine, but I am not sure.

Cheers,
Johan

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Van je hobby je beroep maken.... kan het nog beter?

 
blackfrog   30-01-2019 at 23:15

blackfrog
Junior Member
Registered: 05-07-2018
Messages: 6













Sure thing, here you go

 
FossilDude   30-01-2019 at 23:43

FossilDude
Administrator
Photo Moderator
Registered: 24-11-2007
Messages: 1404

Still think it is a Cymatium. But I do not know the exact species.... Would it be possible to make an extra close-up of the mouth? The number of teeth is usually an important characteristic.

Cheers,
Johan

____________________________
Van je hobby je beroep maken.... kan het nog beter?

 
blackfrog   30-01-2019 at 00:10

blackfrog
Junior Member
Registered: 05-07-2018
Messages: 6

I can count up to six teeth in the aperture (my camera can't get that detail in, it just loses focus trying to do it -_-

 
FossilDude   31-01-2019 at 09:32

FossilDude
Administrator
Photo Moderator
Registered: 24-11-2007
Messages: 1404

Based on what I can see, I thick that this would be Cymatium affine. This is one of those species of Cymatium that only relatively minor axial ribs, and usually 6-7 teeth. I am not entirely sure though, of my identification, as the Pliocene of the Mediterranean is not my personal expertise.

Cheers,
Johan

____________________________
Van je hobby je beroep maken.... kan het nog beter?

 
blackfrog   31-01-2019 at 11:52

blackfrog
Junior Member
Registered: 05-07-2018
Messages: 6



I think it could be something else.
In photo a Cymatium from the same site and the shell in need of identification.
The axial ribs along the last whorl seem to be much bigger in the Cymatium up in the photo compared with the smaller shell on the bottom.
also the teeth in the Cymatium are much bigger than those of the one in the bottom (could be due be different quality of preservation).

[Edited by blackfrog on 31-01-2019 at 11:54 GMT +1]

 
FossilDude   01-02-2019 at 09:56

FossilDude
Administrator
Photo Moderator
Registered: 24-11-2007
Messages: 1404

You're right, that does look rather different. I wouldn't exactly know what else it could be..... Difficult!

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Van je hobby je beroep maken.... kan het nog beter?

 
blackfrog   01-02-2019 at 13:30

blackfrog
Junior Member
Registered: 05-07-2018
Messages: 6

Right now I temporarely classified it as "Ocinebrina sp.".
Still not convinced about it though

 
FossilDude   01-02-2019 at 13:42

FossilDude
Administrator
Photo Moderator
Registered: 24-11-2007
Messages: 1404

I hadn't thought in that direction. I think you are right about Ocinebrina. But what species could it be

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Van je hobby je beroep maken.... kan het nog beter?

 




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