I found these two Gastropods species from the intertidal zone of Qatari waters (Arabian Gulf) and they seems to be Cerithium from the family Cerithiidae, but what species ???
can any one help me please ?
Najat these are two young cerithium the first is Cerithium columna Sowerby, 1834 a smooth form. The second is Cerithium scabridum Philippi, 1848. The next time take adult specimens for have a right classification. I send you photos.
I think RobertoArdovini is right. Almost for sure it is a Cerithium. I can't help on the species without further info (size, number of whorls, etc)
I think the pictures are clear and they have scale for the size, but thank you all for your value help .
Roberto Ardovini , thank you for your answer but I think that my species are adult the size is more than 1cm so they are not juveniles and I have the Cerithium scabridum species in my collection and they are not the same.
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