Hello everyone, what organism is this?

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Syed Abbas Jafar

Hakima:

No, Fossils including corals are not to be seen. Looks like aggregate of Calcite (CaCO3) crystals.

Best

Syed

Hakima Belkhattab

Syed,

Thank you so much for your answer, i don't think it before!

many thinks for your time and for your interest!

Best,

Hakima

Som,

Thank you so much for your answer,

Yes, it looks like a rock fragment, but i don't know why Dr.Susheel guess a fragment of ammonoids?!

Many thanks for your time and interest.

Maria Luisa,

According to all answers, it is a rock fragment. As Dr. Syed said it is probably a aggregate of Calcite (CaCO3) crystals.

George F Engelmann

It is difficult to be certain from photos alone, but there are features that suggest to me that it is a tabulate coral of the Favositina. Compare with that taxon.

George,

Tabulate coral, i think it before, but according to all suggestion by the colleagues, i changed my mind to aggregate of Calcite (CaCO3) crystals.

When i compair this rock with the picture of the tabulate coral, the similarities are very strong. So i think you could be true.

Sergio Rodríguez

I came to the discussion late, but I agree with Dr. Engelmann. It seems to be a tabulate coral belonging to the Favositina. It shows different sections of polygonal corallites and in the low-middle part of the first picture some longitudinal sections with tabulae can be seen.

Sergio,

I think you have true, It looks like a tabulate coral belonging to the Favositina.

When i reexamined the specimen, i found that the resemblance with coral Favositina are very strong. So i think that they have true for coral Favositina.

Regards,

Hi Syed,

these are some pictures with which i match my specimen. What do you think?

Perhaps the pictures of my specimen are not so clear..! But i will take another this afternoon, hope it helps to convince you.

Unfortunately, none of these pictures convince me. Why don't you cut a section of your specimen to show the features, if any, of the last documented specimen. Did you collect your specimen from Palaeozoic rocks or not? Next time when you document a fossil specimen, its locality, lithology, stratigraphic level and associated fauna and flora, if any, must be furnished to attempt realistic and reliable identification.