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Hello, this two Strombus are similar to Strombus urceus, are this specie? are diferent species?

THANKS.

The upper one is one of the many color forms of Strombus (Canarium) urceus.  The lower one is Strombus (Canarium) labiatus.

Thank you for determination.

I have a question, the gene phylogenies performed with nuclear histone and mitoconcrial cytochrome oxidase show that within the genus Strombus are two large groups, and one of them is more similar to the genus Lambis. Is it possible that a part of the genus Strombus  has been renamed Canarium?

I leave a picture.

[img width=313 height=480]http://subirimagen.infojardin.com/sube-fotos/images/viu1310026124k.JPG[/img]

Great genetic chart!  Where is it from, and where can I see more of it? 

If you put this in Google you can download a PDF of this study:

Latiolais J. M., Taylor M. S., Roy K. & Hellberg M. E. (2006). "A molecular phylogenetic analysis of strombid gastropod morphological diversity". Molecular Phylogenetics and Evolution

The old Genus of Strombus has been split into many other Genera including Canarium.